Dept. of Civil & Environmental Engineering

404, Academic Building 1, IUT

- shahin@iut-dhaka.edu

+880 9291254 Ext. 3274

Ph.D Department of Civil Engineering, Nagoya Institute of Technology, Nagoya, Japan March (2004) : Geotechnical Engineering; M.Sc. Department of Civil Engineering, Nagoya Institute of Technology,Nagoya, Japan March (2001) : Geotechnical Engineering; B.Sc. Department of Civil Engineering, Bangladesh University of Engineering & Technology, Dhaka, Bangladesh, July, (1997).

- Tunneling
- Constitutive model of soils
- Bearing capacity of shallow and deep foundations
- Liquefaction (earthquake) and Ground improvement problems
- Ground settlement problems

1.Geotechnique, Construction Materials & Environment, Volume 3, Md. Zakaria Hossain & H. M. Shahin, 2013, ISSN 2186-2982, ISBB 978-4-9905-9580-1.

2.New Frontier in Computational Geotechnics, Proceedings of 6th International Workshop on New Frontiers in Computational Geotechnics, Authors – H. M. Shahin, F. Zhang & A. Yashima, 2012, ISBN 978-4-87797-190-9 C3050.

3.New Frontier in Computational Geotechnics, Proceedings of 5th International Workshop on New Frontiers in Computational Geotechnics, Authors – H. M. Shahin, D. M. Pedroso, F. Zhang & A. Yashima, 2010, ISBN 978-4-87797-177-9 C3051.

4.M. M. Shah, M. R. Afzalur, M. I. Monjurul, H. M. Shahin (2016): Effectiveness of jute geotextiles in flexible pavement construction, *Int. Journal of Geotechnique, Construction Materials and Environment*, Vol.10(1), pp. 1644-1648.

5.F. Azam, M. S. Islam, H. M. Shahin (2016): Study on tunneling for underground metro rail system in Dhaka city, Int. *Journal of Geotechnique, Construction Materials and Environment*, Vol.10(2), pp. 1776-1783.

6.H. M. Shahin, T. Nakai, K. Ishii, T. Iwata, S. Kuroi (2016): Investigation of influence of tunneling on existing building and tunnel based on model tests and numerical simulations,* Acta Geotechnica, DOI*: 10.1007/s11440-015-0428-2.

7.T. Z. Asik, M. Rahman, S. I. Matin, H. M. Shahin. (2016): Correlation of Soil Parameters for the Proposed Dhaka - Chittagong Elevated Expressway, *Proc. of the 1st Bangladesh Civil Engineering Summit, Dhaka, Bangladesh*, vol. 01 , pp. GE 40-47.

8.Y. Yusaku, H. M. Shahin, T. Nakai, R. Sakai, Y. Yoshida (2015): Restraint effect of ground displacement by sheet pile - comparison by both model test and numerical analysis, *Geotechnical Engineering Journal*, vol. 10, no.1, pp. 141-155.

9.T. Nakai, H. M. Shahin, H. Kyokawa (2015): Simple Modeling of Time-Dependent Behavior for Normally Consolidated Soil to Structured Soil, *Proc. of American Rock Mechanics Association, ARMA-2015, Texas*, June, 15-716.

10.T. Nakai, H. M. Shahin, Y. Morikawa, S. Masuda, S. Mio (2015): Effective reinforcing method for increasing bearing capacity with geosynthetics, *15th Asian Reg. Conf. on Soil Mech. and Geotechnical Engineering, Fukuoka*, November, pp. 25.

11.H. M. Shahin, T. Nakai, S. Kuroi (2015): Interaction of tunneling and existing structure considering the location of foundation, *15th Asian Reg. Conf. on Soil Mech. and Geotechnical Engineering, Fukuoka*, November, pp. 528.

12.M. W. Zaman, M. Y. Rumi, M. Salequzzaman, H. M. Shahin (2015): Geotechnical hazard analysis of river embankment of Bangladesh and its protectability, *5th International Conference on Geotechnique, Construction Materials and Environment, Osaka, Japan*, November.

13.Y. Yusaku, H. M. Shahin, T. Nakai (2015): Reinforcing in embankment ground subjected to repeated shear deformation, *International Conference on Soft Ground Engineering (ICSGE2015), Singapore, December, Advance in Soft Ground Engineering (ICSGE2015), Singapore*, December, pp. 517-526.

14.H. M. Shahin, T. Nakai, K. Okuda, M. Kato (2015): Mechanism of anchor type retaining wall in braced excavation and simulation of a field observation, 1st Int. Con. On Advances in Civil Infrastructures and Construction Materials, Dhaka, Bangladesh, December, pp. 102-111.

15.M. Emtiaz, A.S.M. Azad, H. M. Shahin (2015): Numerical analysis of a reinforced concrete slab-column connection subjected to lateral & vertical seismic loading, *1st Int. Con. On Advances in Civil Infrastructures and Construction Materials, Dhaka, Bangladesh*, December, pp. 609-955.

16.H. M. Shahin, T. Nakai, K. Okuda & M. Kato (2014): Mechanism of Support in Anchor Type Retaining Wall - Model Tests and Numerical Simulations -, *Geotechnical Special Publication of American Society of Civil Engineers (ASCE) on Advances in Soil Dynamics and Foundation Engineering*, May, vol. 240, pp. 472-481.

17.T. Nakai, H. M. Shahin, Y. Morikawa, S. Masuda & S. Mio (2014): Effect of reinforcement on bearing capacity of foundations, Geotechnical *Special Publication of American Society of Civil Engineers (ASCE) on Advances in Soil Dynamics and Foundation Engineering*, May, vol. 240, pp. 482-490.

18.H. M. Shahin, T. Nakai and S. Kuroi (2014): Effect of repeated shear deformation on twin tunneling – model test and finite element analysis, *Proc. of the 8th International Symposium on Geotechnical Aspects of Underground Construction in Soft Ground (TC204 ISSMGE, IS-SEOUL, 2014), Korea*, August, pp. 67-72.

19.T. Nakai, H. M. Shahin, K. Okuda and M. Kato (2014): Reinforcing mechanism of anchor type retaining wall – model test and numerical analysis, *Proc. of the 8th International Symposium on Geotechnical Aspects of Underground Construction in Soft Ground (TC204 ISSMGE, IS-SEOUL, 2014), Korea*, August, pp. 73-78.

20.T. Nakai, H. M. Shahin, M. Hinokio and H. Kyokawa (2014): Why do constitutive models using (p and q) have problems?* Geomechanics from Micro to Macro, Cambridge, London*, September, pp. 683-688.

21.H. M. Shahin, T. Nakai, K. Okuda and M. Kato (2014): Support mechanism of anchor type retaining wall and influence of existing structure in braced excavation, *Geomechanics from Micro to Macro, Cambridge, London*, September, pp. 921-926.

22.H. M. Shahin, Y. Morikawa, S. Masuda, T. Nakai & S. Mio (2014): Bearing capacity of reinforced sandy ground, Computer Methods and Recent Advances in Geomechanics *(Proc. of the 14th IACMAG), Kyoto*, September, pp. 935-940.

23.H. M. Shahin, S. Kuroi & T. Iwata (2014): Investigation of the influence of deep tunneling on existing building, Computer Methods and Recent Advances in Geomechanics *(Proc. of the 14th IACMAG), Kyoto*, September, pp. 2011-2016.

24.Y. Isobe, H. M. Shahin & T. Nakai (2014): Effectiveness of reinforcement in embankment ground subjected to repeated shear deformation, *Int. Journal of Geotechnique, Construction Materials and Environment*, Vol.7(2), pp. 1111-1116.

25.T. Nakai, H. M. Shahin and H. Kyokawa (2014): Simple Modeling of Time-Dependent Behavior for Structured Soils, Bifurcation and Degradation of Geomaterials in the *New Millennium, Springer Series in Geomechanics and Geoengineering*, December, doi 10.1007/978-3-319-13506-9_48, pp. 331-338.

26.M. S. Islam, H. M. Shahin, S. Banik, F. Azam (2014): Elasto-plastic Constitutive Model Parameters and Their Application to Bearing Capacity Estimation for Dhaka Sub-soil, *Journal of Civil Engineering (IEB)*, Vol.42(2), pp. 171-188.

27.T. Konda, J. Nagaya, T. Hashimoto, H. M. Shahin and T. Nakai (2013): In-situ Measurement and Numerical Analysis on Tunnel Lining and Ground Behavior due to Shield Excavation, *3rd International Conference on Computational Methods in Tunnelling and Subsurface Engineering, Germany*, April, pp. 191-202.

28.H. M. Shahin, T. Nakai and S. Kuroi (2013): Tunnel behavior subjected to repeated shear deformation – model test and finite element analysis, *3rd International Conference on Computational Methods in Tunnelling and Subsurface Engineering, Germany*, April, pp. 283-292.

29.T. Nakai, H. M. Shahin, T. Iwata and S. Kuroi (2013): Influence of tunneling on nearby existing building and/or tunnel: model test and finite element analysis, *3rd International Conference on Computational Methods in Tunnelling and Subsurface Engineering, Germany, April,* pp. 525-536.

30.M.S. Islam, Arifuzzaman, H. M. Shahin & S. Nasrin (2013): Effectiveness of vetiver root in embankment slope protection: Bangladesh perspective: Bangladesh perspective,* International Journal of Geotechnical Engineering*, Vol. 7(2), April, pp. 136-148, DOI: http://dx.doi.org/10.1179/1938636213Z.00000000023.

31.M.S. Islam & H. M. Shahin (2013): Reinforcing effect of vetiver (Vetiveria zizanioides) root in geotechnical structures - experiments and analyses, *Journal of Geomechanics and Engineering*, Vol. 5 (4), pp.313-329, DOI: http://dx.doi.org/10.12989/gae.2013.5.3.313.

32.T. Nakai, H. M. Shahin, M. Hinokio & H. Kyokawa (2013): Significance of tij concept in constitutive modeling of geomatrials, *Proc. of the 03rd International Symposium on Computational Geomechanics Krakow, Poland*, August, pp. 108-122.

33.T. Nakai, H. M. Shahin & H. Kyokawa (2013): Rational expression of time-dependent behavior from normally consolidated soil to naturally deposited soil, *Proc. of the 18th International Conference on Soil Mechanics and Geotechnical Engineering (ICSMGE), Paris, France*, September, pp. 255-258.

34.H. M. Shahin, T. Nakai & T. Iwata (2013): Rational interpretation of tunneling considering existing tunnel and building loads, *Proc. of the 18th International Conference on Soil Mechanics and Geotechnical Engineering (ICSMGE), Paris, France*, September, pp. 1773-1776.

35.H. M. Shahin, T. Nakai, K. Okuda & M. Kato (2013): Investigation of the optimal support patterns in braced excavation using ground anchors, *3rd International Conference on Geotechnique, Construction Materials and Environment, Nagoya, Japan*, November, pp. 181-186.

36.S. Masuda, H. M. Shahin, T. Nakai, Y. Morikawa & S. Mio (2013): Reinforcing effect of geosynthetics on bearing capacity, *3rd International Conference on Geotechnique, Construction Materials and Environment, Nagoya, Japan*, November, pp. 199-204.

37.K. Asano, H. M. Shahin, H. Kyokawa, T. Nakai & R. Ohashi (2013): Influence of the stress history on the stiffness of soil, *3rd International Conference on Geotechnique, Construction Materials and Environment, Nagoya, Japan*, November, pp. 205-210.

38.M.S. Islam, B.A.M. Shariar & H. M. Shahin (2013): Study on growth of vetivar grass in tropical region for slope protection, *Int. Journal of Geotechnique, Construction Materials and Environment*, Vol.5(2), pp. 729-734.

39.H. M. Shahin, T. Nakai, Y. Morikawa, S. Masuda, S. Mio & H. Sugiyama (2013): Bearing capacity of reinforced ground considering fixity conditions of geosynthetics, *Advance in Foundation Engineering*, December, pp. 385-392.

40.H. M. Shahin, T. Nakai, F. Zhang, M. Kikumoto, F. Ito & S. Baba (2012): Investigation of failure mechanism during slope excavation and its counter-measure by elastoplastic FE analysis, *Proc. of 11th Int. Sym. On Landsides, Canada*, June, vol.2, pp. 1765-1771.

41.T. Yamaguchi, W. Inoue, H. M. Shahin & T. Nakai (2012): On the particle breakage of geomaterials, *Proc. of the 24th Central Japan Geotechnical Symposium, Nagoya, Japan*, August, pp. 51-56.

42.K. Tsukamoto，M. Koike， K. Yamada，H. Kyokawa，F. Zhang, H. M. Shahin & T. Nakai (2012): Experimental investigation on the behavior of unsaturated soils at soaking, *Proc. of the 24th Central Japan Geotechnical Symposium, Nagoya, Japan*, August, pp. 57-62.

43.K. Asano, R. Ohashi, H. M. Shahin & T. Nakai (2012): Experimental Investigation on particle size distribution shear behavior of sand, *Proc. of the 24th Central Japan Geotechnical Symposium, Nagoya, Japan*, August, pp. 105-110.

44.S. Kuroi, H. M. Shahin, T. Nakai & T. Iwata (2012): Ground behavior during deep tunnel excavation and twin tunnel excavation, *Proc. of the 24th Central Japan Geotechnical Symposium, Nagoya, Japan*, August, pp. 111-118.

45.T. Nakai and H. M. Shahin (2012): Simple and unified modeling of time-dependent behavior for various geomaterials, *Proc. of Int. Symposium on Constitutive Modeling of Geomaterials, China*, October, pp. 617-625.

46.H. M. Shahin, T. Nakai and T. Iwata (2012): Model tests and numerical simulation on tunneling in urban area, *Proc. of NFCOMGEO-VI, Japan*, May, pp. 87-92.

47.T. Nakai, H. M. Shahin and T. Iwata (2012): Model test and numerical simulations of tunneling considering existing building and tunnel, *Proc. of the 5th Sino-Japan Geotechnical Symposium, China*, pp. 403-410.

48.H. M. Shahin, T. Nakai, Y. Yoshida and S. Mio (2012): Effective reinforcing method for increasing bearing capacity, *Proc. of the 5th Sino-Japan Geotechnical Symposium, China*, pp. 457-463.

49.T. Nakai, H. M. Shahin, M. Kikumoto, H. Kyokawa, F. Zhang & M.M. Farias (2011): New approach for modeling time-dependent behavior of geomaterials, *Proc. of the 2nd International Symposium on Computational Geomechanics*, April, Croatia, pp. 49-62.

50.T. Nakai, H. M. Shahin, H. Kyokawa and Y. Miyahara (2011): Modeling of one-dimensional consolidation behavior for clays, *14th Asian Reg. Conf. on Soil Mech. and Geotechnical Engineering, Hong Kong*, May, pp. 128.

51.H. M. Shahin, M. Kikumoto and Y. Uetani (2011): Influence of existing foundations on retaining wall in braced excavation, *14th Asian Reg. Conf. on Soil Mech. and Geotechnical Engineering, Hong Kong*, May, pp. 267.

52.H. M. Shahin, T. Nakai, F. Zhang, M. Kikumoto & E. Nakahara (2011): Behavior of ground and response of existing foundation due to tunneling, *Soils and Foundations,* vol. 51, no. 3, pp. 395-409.

53.R. Ohashi, H. Kyokawa，M. Kikumoto，T. Nakai，H. M. Shahin & A. Ban (2011): The influences of stress histories on the deformation characteristics of sand, *Proc. of the 23rd Central Japan Geotechnical Symposium, Nagoya, Japan*, August, pp. 11-18.

54.K. Okuda, M. Kato，M. Kikumoto，T. Nakai & H. M. Shahin (2011): Investigation of rational support patterns in ground anchors for braced excavation ~ model tests and numerical analyses ~, *Proc. of the 23rd Central Japan Geotechnical Symposium, Nagoya, Japan*, August, pp. 43-50.

55.H. M. Shahin, T. Nakai, M. Kikumoto, R. Sakai, Y. Yoshida, I. Saito, N. Nagao & K. Toda (2011): Investigation of a reliable reinforcing method for embankment ground, *1st International Conference on Geotechnique, Construction Materials and Environment, Mie, Japan*, November, 2011, pp. 71-76.

56.T. Iwata, T. Nakai, H. M. Shahin, M. Kikumoto & K. Ishii (2011): Model tests of twin tunnel excavation using newly developed device and its numerical simulations, Tunnel Engineering – *Journal of JSCE*, vol. 67, no. 3, pp. 33-44.

57.M. Kikumoto, T. Nakai, H. M. Shahin, K. Ishii & T. Iwata (2011): Model tests of twin tunnel excavation considering practical convergence and earth pressure distribution on lining and its simulation, Tunnel Engineering – *Journal of JSCE*, vol. 67, no. 3, pp. 57-64.

58.T. Nakai, H. M. Shahin, M. Kikumoto, H. Kyokawa, F. Zhang & M. M. Farias (2011): A simple and unified one-dimensional model to describe various characteristics of soils, *Soils and Foundations*, vol. 51, no. 6, pp. 1129-1148.

59. T. Nakai, H. M. Shahin, M. Kikumoto, H. Kyokawa, F. Zhang & M. M. Farias (2011): A simple and unified three-dimensional model to describe various characteristics of soils, Soils and Foundations, vol. 51, no. 6, pp. 1149-1168.

60.H. M. Shahin, T. Nakai & D. Pedroso (2011): Explicit Integration of Subloading tij Constitutive Model in FEM Analysis, Journal of Geotechnical Engineering, vol. 1, no. 1, pp. 16-28.

61.H. M. Shahin, T. Nakai, M. Kikumoto, H. Kyokawa, and Y. Miyahara (2010): Modeling of time-dependent behavior of clay in one-dimensional consolidation,* Proc. of the 4th Sino-Japan Geotechnical Symposium*, pp. 54-61, 2010

62.T. Nakai, H. M. Shahin, M. Kikumoto & H. Kyokawa (2010): Simple modeling of time-dependent behavior of geomaterials, *Proc. of NFCOMGEO-V, Australia*, July, pp. 3-10.

63.H. M. Shahin, T. Nakai, M. Kikumoto & F. Zhang (2010): Bearing capacity of different types of foundations under several loading conditions, *Proc. of NFCOMGEO-V, Australia,* July, pp. 111-116.

64.H. Kyokawa, M. Kikumoto, T. Nakai & H. M. Shahin (2010): Simple modeling of unsaturated soil, *Proc. of NFCOMGEO-V, Australia*, July, pp. 131-138.

65.H. Kyokawa, M. Kikumoto, T. Nakai and H. M. Shahin (2010): Simple modeling of stress-strain relation for unsaturated soil, *Geotechnical Special Publication of American Society of Civil Engineers (ASCE) on Experimental and Applied Modeling of Unsaturated Soils*, June, vol. 202, pp. 17-25.

66.M. Suzuki, H. M. Shahin and T. Nakai (2010): Numerical Analysis on Ground Behavior for Construction of Displacement Pile, *Geotechnical Special Publication of American Society of Civil Engineers (ASCE) on Deep Foundations and Geotechnical in Situ Testing*, June, vol. 205, pp. 300-307.

67.H. M. Shahin, T. Nakai, M. Kikumoto, Y. Uetani and F. Zhang (2010): Interaction effect of retaining wall and existing foundations in braced excavation, *Geotechnical Special Publication of American Society of Civil Engineers (ASCE) on Deep and Underground Excavation*, June, vol. 206, pp. 92-99.

68.T. Nakai, H. M. Shahin, M. Kikumoto, H. Kyokawa and F. Zhang (2010): Unified method for describing various features of stress-strain behavior of geomaterials,* Proc. of the Geoshanghai international conference*, June, 2010, CD-ROM.

69.M. Kikumoto, T. Nakai, H. M. Shahin, A. Watanabe, K. Ishii and F. Zhang (2010): Mechanical behaviour of geosynthetic-reinforced soil retaining wall, *Geotechnical Special Publication of American Society of Civil Engineers (ASCE) on Ground Improvement and Geosynthetics*, June, vol. 207, pp. 310-317.

70.T. Nakai, H. M. Shahin, F. Zhang, M. Hinokio, M. Kikumoto, S. Yonaha, and A. Nishio (2010): Bearing capacity of reinforced foundation subjected to pull-out loading in 2D and 3D conditions, *Geotextiles and Geomembranes*, vol.28, issue3, pp.268-280, doi:10.1016/j.geotexmem.2009.09.013.

71.T. Konda, H. M. Shahin and T. Nakai (2010): Numerical Analysis for backside ground deformation behaviour due to braced excavation, *Journal of Materials Science and Engineering*, Vol. 10, doi:10.1088 /1757-899X/10/1/012010.

72.M. Kato，M. Kikumoto, T. Nakai，H. M. Shahin and Y. Uetani (2010): 2-dimensional model tests on reinforcing mechanism of braced wall by ground anchors, *Proc. of the 22nd Central Japan Geotechnical Symposium, Nagoya, Japan*, August, pp. 129-134.

73.T. Iwata, K. Ishii，T. Nakai, H. M. Shahin and M. Kikumoto (2010): Deformation and failure mechanism of geosynthetic-reinforced retaining wall due to vertical loading on backfill soil – 2D model tests & numerical simulation, *Proc. of the 22nd Central Japan Geotechnical Symposium, Nagoya, Japan*, August, pp. 141-146.

74.M. Kikumoto, H. Kyokawa, T. Nakai, and H. M. Shahin (2010): A simple elasto-plastic model for unsaturated soils and interpretations of collapse and compaction behaviours, *Proc. of the 5th International Conf. on Unsaturated Soils (UNSAT 2010), Barcelona, Spain*, Sept., pp.849-855.

75.M. Kikumoto, H. Kyokawa, T. Nakai, H. M. Shahin, K. Tatematsu and M. Koike (2010): Mechanical interpretation of compaction behavior by an elastoplastic model for unsaturated soils, *Proc. of Bangladesh Geotechnical Conference 2010, Bangladesh*, Nov., pp. 121-128.

76.H. M. Shahin, T. Nakai, M. Kikumoto, Y. Uetani and F. Zhang (2010): Interaction of retaining wall and existing structures in braced excavation, *Proc. of Bangladesh Geotechnical Conference 2010, Bangladesh*, Nov., pp. 203-210.

77.T. Nakai, H. Kyokawa, M. Kikumoto, H. M. Shahin & F. Zhang (2009): Elastoplastic modeling of geomaterials considering the influence of density and bonding, *Proc. of the international symposium on Prediction and Simulation Methods for Geo-hazard Mitigation, Kyoto, Japan*, pp. 367-373.

78.H. M. Shahin, T. Nakai, F. Zhang, M. Kikumoto & M. Nagata (2009): Behaviors of ground due to tunnel excavation, *Proc. of the 14th Conference on Computational Engineering and Science - JSCES, Tokyo, Japan*, May, pp. 441-444.

79.H. Kyokawa, M. Kikumoto, T. Nakai, & H. M. Shahin (2009): One dimensional elastoplastic constitutive model for unsaturated soil, *Proc. of the 21st Central Japan Geotechnical Symposium, Nagoya, Japan*, August, pp. 1-8.

80.M. Kikumoto, H. Kyokawa, T. Nakai, & H. M. Shahin (2009): One dimensional elastoplastic constitutive model of soil considering the temperature of soil, *Proc. of the 21st Central Japan Geotechnical Symposium, Nagoya, Japan*, August, pp. 9-16.

81.H. M. Shahin, T. Nakai, M. Kikumoto1, H. Kyokawa & Y. Miyahara (2009): One dimensional simulation of time-dependent behavior of clay, *Proc. of the 21st Central Japan Geotechnical Symposium, Nagoya, Japan*, August, pp. 31-36.

82.H. Kyokawa, M. Kikumoto, T. Nakai & H. M. Shahin: An elasto-plastic constitutive model for unsaturated soil considering the relation between suction, degree of saturation and density, *Journal of Applied Mechanics JSCE*, August, vol.12, pp. 331-342, 2009.

83.T. Nakai, H. M. Shahin, M. Kikumoto, H. Kyokawa & F. Zhang: Simple and unified method for describing various characteristics of geomaterials -Influence of density, bonding, time effects and others-, *Journal of Applied Mechanics JSCE*, August, vol.12, pp. 371-382, 2009.

84.T. Konda, H. M. Shahin & T. Nakai (2009): Elastoplastic finite element analysis for the deformation behavior of ground due to braced excavation, *Journal of Japan Society of Civil Engineers*, September, vol.65, no.1, pp. 213-225.

85.T. Nakai, H. M. Shahin, A. Watanabe & S. Yonaha (2009): Reinforcing mechanism of Geosynthetics on bearing capacity problems – model tests and numerical simulations, *Proc. of the 17th International Conference on Soil Mechanics and Geotechnical Engineering (ICSMGE), Alexandria, Egypt*, October, pp. 917-920.

86.H. M. Shahin, E. Nakahara & M. Nagata (2009): Behaviors of ground and existing structures due to circular tunneling, *Proc. of the 17th International Conference on Soil Mechanics and Geotechnical Engineering (ICSMGE), Alexandria, Egypt*, October, pp. 1786-1789.

87.K. Ishii，M. Kikumoto，H. M. Shahin，T. Nakai and A. Watanabe (2009): Deformation and failure mechanism of reinforced retaining wall subjected to vertical loading, *Geosynthetics Engineering Journal*, Vol. 24，pp.243-250.

88.M. Kikumoto，H. M. Shahin，T. Nakai, M. Nagata and K. Toda (2009): Influences of tunnel excavation on the neighboring group-pile foundation, *Proc. of the 54th Geotechnical Symposium (JGS)*, Vol.54, pp.355-362.

89.H. M. Shahin, T. Nakai, F. Zhang, M. Kikumoto, Y. Tabata & E. Nakahara (2008): Ground movement and earth pressure due to circular tunneling: model tests and numerical simulations, *Proc. of the 6th International Symposium on Geotechnical Aspects of Underground Construction in Soft Ground, Shanghai, China*, April, pp. 709-715.

90.N. Iwata, H. M. Shahin, F. Zhang, T. Nakai, M. Niinomi & Y.D.S. Geraldni (2008): Excavation with stepped-twin retaining wall: model tests and numerical simulations, *Proc. of the 6th International Symposium on Geotechnical Aspects of Underground Construction in Soft Ground, Shanghai, China*, April, pp.655-661.

91.T. Nakai, F. Zhang, H. Kyokawa, M. Kikumoto & H. M. Shahin (2008): Modelling the influence of density and bonding on geomaterials, *2nd International Symposium on Geotechnics of Soft Soils, Glasgow, Scotland*, September, pp. 65-76.

92.M. Kikumoto, T. Nakai, H. Kyokawa, F. Zhang & H. M. Shahin (2008): A unified method to describe the influence of intermediate principal stress and stress history in constitutive modelling, *2nd International Symposium on Geotechnics of Soft Soils, Glasgow, Scotland*, September, pp. 151-157.

93.T. Nakai, H. Kyokawa, M. Kikumoto, H. M. Shahin & F. Zhang (2008): One-dimensional and three-dimensional descriptions of elastoplastic behavior in structured clays, *Proc. of the 4th IWS on New Frontiers in Computational Geotechnics, Pittsburgh*, October, pp. 3-12.

94.H. M. Shahin, T. Nakai, F. Zhang, M. Kikumoto, E. Nakahara & M. Nagata (2008): Interaction effects between existing foundations and tunneling- model tests and numerical simulations, *Proc. of the 4th IWS on New Frontiers in Computational Geotechnics, Pittsburgh*, October, pp. 119-126.

95.D. Muramatsu, F. Zhang & H. M. Shahin (2007): Numerical simulation on bearing capacity of soil-bag reinforced ground considering finite deformation, *Geotechnical Journal*, vol. 2, no.1, pp. 11-23.

96.T. Nakai, F. Zhang, M. Kikumoto, H. M. Shahin, H. Takei, M. Ninomi & N. Iwata (2007): Influence of existing load on excavation problems- model tests and numerical simulation, *Proceedings of the 10th Int. Symposium on Numerical Models in Geomechanics, NUMOG X, Rhodes, Greece*, April, pp. 611-617.

97.H. M. Shahin, T. Nakai, F. Zhang, M. Kikumoto, Y. Tabata and E. Nakahara. (2007): Model tests and numerical simulations on shallow circular tunneling,* Proc. of the 19th Central Japan Geotechnical Symposium, Nagoya, Japan*, August, pp. 131-138.

98.T. Nakai, F. Zhang, H. M. Shahin & M. Kikumoto (2007): Behavior of ground in excavation problems: model tests and numerical simulations, *Proceedings of the 3rd Sino-Japan Geotechnical Symposium – New Frontiers in Chinese and Japanese Geotechniques, Chongqing, China*, November, pp. 3-20.

99.T. Nakai, F. Zhang, M. Hinokio, H. M. Shahin, M. Kikumoto, S. Yonaha & A. Nishio (2007): Bearing capacity of reinforced foundation subjected to pull-out loading: 3D model tests and numerical simulation, *Proceedings of the 5th Int. Conference on Earth Reinforcement – New Horizon in Earth Reinforcement, IS-Kyushu’07, Fukuoka, Japan*, November, pp. 457-463.

100.D. Muramatsu, F. Zhang and H. M. Shahin (2007): Numerical simulation on bearing capacity of soilbag-reinforced ground considering finite deformation, *Proceedings of the 5th Int. Conference on Earth Reinforcement – New Horizon in Earth Reinforcement, IS-Kyushu’07, Fukuoka, Japan*, November, pp. 465-471.

101.T. Nakai, H. M. Shahin, N. Iwata, M. Niinomi and H. Takei (2007): Influence of deflection process and mode of wall and existing building load on retaining wall, *13th Asian Reg. Conf. on Soil Mech. and Geotechnical Engineering, Kolkata, India*, December, pp. 481-484.

102.H. M. Shahin, M. Kikumoto, E. Sung, M. Yamamoto and Y. Tabata (2007): 3D model tests and numerical simulation in shallow tunneling considering existing piled raft, *13th Asian Reg. Conf. on Soil Mech. and Geotechnical Engineering, Kolkata, India*, December, pp. 522-525.

103.E. Sung, H. M. Shahin, T. Nakai, M. Hinokio & M. Yamamoto. (2006): Ground behavior due to tunnel excavation with existing foundation, Soils and Foundations, vol. 46, no. 2, pp. 189-207.

104.H. M. Shahin, E. Sung, T. Nakai, M. Hinokio, M. Kikumoto, M. Yamamoto and Y. Tabata. (2006): 2D model tests and numerical simulation in shallow tunneling considering existing building load, *Geotechnical Special Publication of American Society of Civil Engineers (ASCE) on Underground construction and ground movement*, June, vol. 155, pp. 304-311.

105.H. M. Shahin, T. Nakai, M. Kikumoto, E. Sung, M. Yamamoto and Y. Tabata (2006): Interaction effect of shallow tunneling and existing flat foundation in 3d condition,* Proc. of the Eighth International Summer Symposium, Nagoya, Japan*, July, pp. 155-158.

106.H. M. Shahin, E. Sung, T. Nakai, M. Kikumoto, M. Yamamoto and Y. Tabata (2006): Ground behavior with the distance of foundation due to tunnel excavation– 2D model test and simulation, *Proc. of the 3rd IWS on New Frontiers in Computational Geotechnics, Xian*, October, pp. 31-36.

107.M. M. Farias, T. Nakai, H. M. Shahin, D. M. Pedroso, P.G.O. Passos and M. Hinokio. (2005): Ground Densification Due to Sand Compaction Piles, Soils and Foundations, vol. 45, no. 2, pp. 167-180.

108.T. Nakai, E. Sung, H. M. Shahin, and M. Yamamoto (2005): Simulations of tunnel excavation in 2D and 3D conditions considering building loads, Proc. of the Fifth *International Symposium on Geotechnical Aspects of Underground Construction in Soft Ground (TC28), Amsterdam, Netherlands*, June, pp. 155-160.

109.H. M. Shahin and T. Nakai (2005): Finite element analysis of 3D full scale tunnel excavation using subloading tij model, Proc. of the Pipelines -2005, ASCE, USA, Houston, August, pp.101-115.

110.T. Nakai, H. M. Shahin, M. Hinokio, T. Sada and E. Sung (2005): Influence of existing building load on the deformation and earth pressure of ground due to tunneling, *Proc. of the 16th International Conference on Soil Mechanics and Geotechnical Engineering (ICSMGE), Osaka, Japan*, September, pp. 1633-1638.

111.T. Nakai, N. Iwata, H. M. Shahin, Y. Inoue & H. Takei (2005): Influence of wall deflection process and wall deflection mode in retaining wall problems, *Proc. of the 2nd China-Japan Geotechnical Symposium, China, Shanghai*, pp. 641-646.

112.H. M. Shahin, T. Nakai, M. Hinokio, T. Kurimoto & T. Sada. (2004): Influence of surface loads and construction sequence on ground response due to tunneling, Soils and Foundations, vol. 44, no. 2, pp. 53-66.

113.H. M. Shahin, T. Nakai, M. Hinokio & Yamaguchi, D. (2004): 3D effects on pressure and displacements during tunnel excavations, Soils and Foundations, vol. 44, no. 5, pp. 37-49.

114.H. M. Shahin, T. Nakai, T. Sada, T. Kondou and O. Togano. (2004): Finite element analysis for prediction of ground densification using subloading tij model, Proc. of the Engineering practice and performance of soft deposits, IS - Osaka 2004, Osaka, Japan, June, pp. 131-134.

115.E. Sung, H. M. Shahin, M. Yamamoto, T. Nakai and M. Hinokio. (2004): Behavior of existing piled raft foundation due to tunnel excavation, Proc. of the 16th Central Japan Geotechnical Symposium, Nagoya, Japan, August, pp. 13-22.

116.T. Nakai, M. Hinokio, H. M. Shahin, Y. Inoue, H. Takei and N. Iwata. (2004): Earth pressure and ground movements in 2D and 3D retaining wall problems: model tests and numerical simulation, *9th Int. Symposium on Numerical Models in Geomechanics, NUMOG IX, Ottawa, Canada,* August, pp. 669-675.

117.T. Nakai, H. M. Shahin, N. Iwata and E. Sung (2004): Importance of 3D effects in excavation problems- model tests and numerical analysis, 2*nd IWS on New Frontiers in Computational Geotechnics, Brazil,* September, pp.3-12.

118.T. Nakai, M. Hinokio, H. M. Shahin and T. Sada. (2003): Earth Pressures and Surface Settlements in Shallow Tunnels with Large Cross-Section, Proc. of 12th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering, Singapore, August, pp. 879-882.

119.M. M. Farias, T. Nakai, M. Hinokio, H. M. Shahin, D. M. Pedroso. (2003): Prediction of the densification process of compacted sandpiles using subloading tij model, Proc. of IWS on Prediction and Simulation Methods in Geomechanics, Athens, Greece, October, pp. 185-188.

120.H. M. Shahin, T. Nakai, M. Hinokio and T. Sada. (2002): 3D Effects on Surface Settlements and Earth Pressures in Tunneling, Proc. of the 1st IWS on New Frontiers in Computational Geotechnics, Canada, September, pp. 69-74.

121.T. Nakai, H. M. Shahin. T. Tamura, T. Hashimoto and J. Nagaya. (2002): Analyses of three abreast shallow tunnels considering construction sequence and ground depths, Proc. of the 3rd Int. Symposium (IS-Toulouse)-Geotechnical Aspects of Underground Construction in Soft Ground, Toulouse, France, November, pp. 155-160.

122.T. Nakai, D. Yamaguchi and H. M. Shahin. (2001): Model Tests of tunneling in Sandy and Clayey Grounds with Different Construction procedure, Proc. of the Regional Aspects of Underground Construction in Soft Ground, China, Shanghai, pp. 169-172.

123.T. Nakai, D. Yamaguchi, H. M. Shahin, T. Kurimoto and M. M. Farias. (2001): Earth pressure and ground movements due to tunneling – model tests and analyses, Proc. of Int. Sym. on Modern Tunneling Science and Technology, Kyoto, Japan, pp. 153-158.

124.T. Kinoshita, H. M. Shahin, Y. Isobe and T. Nakai (2015): *Experimental Investigation on bearing capacity using geosynthetics and sheet pile*, Proc. of the 50th Annual Conference of Japanese Geotechnical Society, Hokkaido, Japan, July, pp. 1647-1648.

125.Y. Isobe, T. Kinoshita, H. M. Shahin, and T. Nakai (2015):* Investigation of the displacement restraint method by steel sheet pile in the ground subjected to shear deformation*, Proc. of the 50th Annual Conference of Japanese Geotechnical Society, Hokkaido, Japan, July, pp. 1649-1650.

126.T. Yamaguchi, H. M. Shahin, H. Kyokawa & T. Nakai (2014): *Compression and collapse behavior of unsaturated soil under 1D condition and its analysis*, Proc. of the 8th conference of the Japan Society of Material Science Tokai Branch, Nagoya, Japan, March, pp. 59-61.

127.K. Asano, H. M. Shahin, H. Kyokawa & T. Nakai (2014): *Introduction of rotational hardening rule in subloading tij model*, Proc. of the 49th Japan national conference on geotechnical engineering, Kita Kyushu, Japan, July, pp. 421-422.

128.K. Asano, S. Kobayashi, H. M. Shahin and T. Nakai (2014):* Influence of the stress history on the stress-dilatancy characteristic and the stiffness of soil*, Proc. of the 49th Japan national conference on geotechnical engineering, Kita Kyushu, Japan, July, pp. 425-426.

129.S. Masuda, R. Suzuki, Y. Morikawa, H. M. Shahin, T. Nakai and S. Mio (2014): *Reinforcing effect of geosynthetics on bearing capacity - 2D model tests and numerical simulations*, Proc. of the 49th Japan national conference on geotechnical engineering, Kita Kyushu, Japan, July, pp. 561-562.

130.Y. Morikawa, S. Masuda, R. Suzuki, H. M. Shahin, T. Nakai and S. Mio (2014): *Reinforcing effect of geosynthetics on bearing capacity - Centrifuge model tests and 3D numerical simulations*, Proc. of the 49th Japan national conference on geotechnical engineering, Kita Kyushu, Japan, July, pp. 563-564.

131.T. Yamaguchi, S. Kanno, H. M. Shahin, H. Kyokawa, T. Nakai (2014): *Investigation of effective stress of unsaturated soil and application of its results to constitutive modeling*, Proc. of the 49th Japan national conference on geotechnical engineering, Kita Kyushu, Japan, July, pp. 705-706.

132.S. Kuroi, D. Takeichi, H. M. Shahin and T. Nakai (2014): *Earth pressure of tunnel due to repeated sheer deformation*, Proc. of the 49th Japan national conference on geotechnical engineering, Kita Kyushu, Japan, July, pp. 1289-1290.

133.H. M. Shahin, S. Kuroi, D. Takeichi and T. Nakai (2014): *Effect of repeated shear deformation on tunnel earth pressure – model test and numerical analysis*, Proc. of the 49th Japan national conference on geotechnical engineering, Kita Kyushu, Japan, July, pp. 1931-1932.

134.R. Ohashi, K. Asano, H. M. Shahin, T. Nakai & H. Kyokawa (2013): *Experimental investigation of the Development of Stress Induced Anisotropy and its Dissipation in Sand*, Proc. of the 7th conference of the Japan Society of Material Science Tokai Branch, Nagoya, Japan, March, pp. 71-72.

135.K. Tsukamoto, T. Yamaguchi, F. Zhang, H. M. Shahin and T. Nakai (2013): *Consideration of net stress and effective stress in unsaturated soils based on triaxial tests*, Proc. of the 21st Central Japan JSCE conference (CD-ROM), Japan, March, III-4.

136.R. Ohashi, K. Asano, H. M. Shahin and T. Nakai (2013): *Strain stabilization during cyclic loading under drained and undrained tests*, Proc. of the 21st Central Japan JSCE conference (CD-ROM), Japan, March, III-20.

137.S. Kuroi, H. M. Shahin and T. Nakai (2013): *Earth pressure at tunnel due to repeated shear deformation*, Proc. of the 21st Central Japan JSCE conference (CD-ROM), Japan, March, III-24.

138.R. Ohashi, K. Asano, H. M. Shahin and T. Nakai and H. Kyokawa (2013): *Extension of isotropic hardening constitutive model considering the stabilization of stress-strain behavior under cyclic loading*, Proc. of the 48th Japan national conference on geotechnical engineering, Toyama, Japan, July, pp. 555-556.

139.K. Asano, R. Ohashi, H. M. Shahin and T. Nakai (2013): *Influence of the stress history on the stress-dilatancy characteristic and the stiffness of soil*, Proc. of the 48th Japan national conference on geotechnical engineering, Toyama, Japan, July, pp. 559-560.

140.S. Masuda, Takeda, Y. Morikawa, H. M. Shahin, T. Nakai and S. Mio (2013): *Reinforcing effect of geosynthetics on bearing capacity*, Proc. of the 48th Japan national conference on geotechnical engineering, Toyama, Japan, July, pp.693-694.

141.T. Yamaguchi, K. Tsukamoto, H. M. Shahin, T. Nakai and F. Zhang (2013): *Consideration of net stress and effective stress in the modeling of unsaturated soil*, Proc. of the 48th Japan national conference on geotechnical engineering, Toyama, Japan, July, pp. 839-840.

142.K. Tsukamoto, T. Yamaguchi, H. M. Shahin and T. Nakai (2013): *Modeling of the mechanical behavior of unsaturated soils using bonding effect*, Proc. of the 48th Japan national conference on geotechnical engineering, Toyama, Japan, July, pp. 841-842.

143.K. Okuda，T. Fukuoka，H. M. Shahin and T. Nakai (2013):* Investigation of optimum anchor length and embedded length in ground anchors for earth retaining excavation*, Proc. of the 48th Japan national conference on geotechnical engineering, Toyama, Japan, July, pp. 1433-1434.

144.T. Konda, T. Hashimoto, J. Nagaya, H. M. Shahin and T. Nakai (2013):* Numerical Analysis on Tunnel Lining and Ground Behavior due to Shield Excavation*, Proc. of the 48th Japan national conference on geotechnical engineering, Toyama, Japan, July, pp. 1475-1476.

145.H. M. Shahin, T. Nakai and S. Kuroi (2013):* Effect of repeated shear deformation on tunnel earth pressure – model test and numerical analysis*, Proc. of the 48th Japan national conference on geotechnical engineering, Toyama, Japan, July, pp. 1499-1500.

146.S. Kuroi, H. M. Shahin and T. Nakai (2013): *Model tests and numerical simulations of tunnel excavation in deep underground considering existing structure*, Proc. of the 48th Japan national conference on geotechnical engineering, Toyama, Japan, July, pp. 1501-1502.

147.H. M. Shahin, T. Nakai, M. Kikumoto and H. Yamazaki (2012): *Settlement analyses of clays considering soil-water coupling and creep characteristics*, Proc. of the 61st National Congress of Theoretical and Applied Mechanics, Tokyo, Japan, March, OS05-06.

148.T. Nakai, H. M. Shahin, M. Kikumoto and H. Kyokawa (2012): *Description of time-dependent behavior of soils using subloading surface concept*, Proc. of the 61st National Congress of Theoretical and Applied Mechanics, Tokyo, Japan, March, OS11-14.

149.T. Iwata, T. Nakai, H. M. Shahin and S. Kuroi (2012): *Model tests and numerical simulations on new tunnel excavation considering the effect of flat foundation*, Proc. of the 20th Central Japan JSCE conference (CD-ROM), Japan, March, III

150.Y. Yoshida, T. Nakai, H. M. Shahin, Kanou, I. Saito, N. Nagao, K. Toda (2012): *Investigation of reinforcing ground using steel sheet pile and nailing - numerical analyses*, Proc. of the 20th Central Japan JSCE conference (CD-ROM), Japan, March, II.

151.R. Ohashi, K. Asano, T. Nakai, M. Kikumoto and H. M. Shahin (2012):* Influence of grain size distribution on shear behavior of sand*, Proc. of the 47th Japan national conference on geotechnical engineering, Hachinohe, Japan, July, pp. 339-340.

152.T. Okuno, A. Nakaya, T. Nakai, H. M. Shahin (2012): *Numerical simulation on shear band formation of Kazusa Group mudstone under loading of triaxial compression test*, Proc. of the 47th Japan national conference on geotechnical engineering, Hachinohe, Japan, July, pp. 441-442.

153.W. Inoue, T. Yamaguchi, T. Nakai, H. M. Shahin, M. Kikumoto (2012):* Experiment and analysis on the characteristic of breakage for geomaterials*, Proc. of the 47th Japan national conference on geotechnical engineering, Hachinohe, Japan, July, pp. 475-476.

154.K. Tsukamoto, M. Koike, K. Yamada, M. Kikumoto, T. Nakai, H. M. Shahin (2012): *Experiment of shearing behavior at soaking and after soaking on unsaturated soils*, Proc. of the 47th Japan national conference on geotechnical engineering, Hachinohe, Japan, July, pp. 659-660.

155.M. Koike，K. Tsukamoto， K. Yamada，M. Kikumoto，T. Nakai，H. M. Shahin (2012): *Simulation of shearing behavior at soaking and after soaking on unsaturated soils*, Proc. of the 47th Japan national conference on geotechnical engineering, Hachinohe, Japan, July, pp. 661-662.

156.Y. Yoshida, T. Nakai, H. M. Shahin and Y. Kando, N. Nagao, K. Toda and I. Saito (2012):* Investigation of reinforcing method of embankment ground using steel sheet pile in clay ground - numerical analyses*, Proc. of the 47th Japan national conference on geotechnical engineering, Hachinohe, Japan, July, pp. 1003-1004.

157.T. Nakai, H. M. Shahin, Y. Yoshida and S. Mio (2012): *Effective method for increasing bearing capacity with geosynthetics – discussion based on model tests, numerical simulations and fields*, Proc. of the 47th Japan national conference on geotechnical engineering, Hachinohe, Japan, July, pp. 1025-1026.

158.Masuda, M. Kikumoto, H. M. Shahin, T. Nakai (2012):* Effectiveness of ground anchorages in settlement of shallow foundation*, Proc. of the 47th Japan national conference on geotechnical engineering, Hachinohe, Japan, July, pp. 1027-1028.

159.K. Okuda, M. Kato, K. Okada, T. Nakai, H. M. Shahin, M. Kikumoto (2012):* Investigation of the optimal support patterns in ground anchors for earth retaining excavation - model experiment and numerical analyses*, Proc. of the 47th Japan national conference on geotechnical engineering, Hachinohe, Japan, July, pp. 1221-1222.

160.M. Kato, H. M. Shahin, T. Nakai, M. Kikumoto, T. Konda, H. Ito (2012): *Elasto-plastic finite element analyses of earth retaining excavation with anchors*, Proc. of the 47th Japan national conference on geotechnical engineering, Hachinohe, Japan, July, pp. 1223-1224.

161.T. Iwata, S. Kuroi, T. Nakai, H. M. Shahin (2012): *Model tests and numerical simulation of twin tunnel excavation considering excavation sequence*, Proc. of the 47th Japan national conference on geotechnical engineering, Hachinohe, Japan, July, pp. 1257-1258.

162.H. M. Shahin, T. Nakai, T. Iwata, S. Kuroi (2012): *Model tests and numerical simulations of tunneling in deep underground considering existing structure*, Proc. of the 47th Japan national conference on geotechnical engineering, Hachinohe, Japan, July, pp. 1259-1260.

163.K. Okuda , H. M. Shahin, T. Nakai, M. Kato & Okada (2012): 既設構造物近くでのグラウンドアンカー式山留め掘削の合理的な支保パターン, Proc. of the 67th conference of the Japan Society of Civil Engineers (JSCE), Nagoya, Japan, September, (CD-ROM).

164.Yamazaki, H. M. Shahin & T. Nakai (2012): *Deformation analysis considering structured and time dependent behavior of soils*, Proc. of the 67th conference of the Japan Society of Civil Engineers (JSCE), Nagoya, Japan, September, (CD-ROM).

165.R. Ohashi, T. Nakai, H. M. Shahin & H. Kyokawa (2012): 砂の誘導異方性に関する実験的検討, Proc. of the 67th conference of the Japan Society of Civil Engineers (JSCE), Nagoya, Japan, September, (CD-ROM).

166.T. Okuno, H. Sugiyama, T. Nakai and H. M. Shahin (2011): *Numerical analysis on centrifuge model test for noncircular large tunnel and behavior of soft rock mass based on subloading tij model*, Proc. of the 40th Symposium of Rock Mechanics (CD-ROM), Japan, January.

167.K. Okuda, M. Kikumoto，H. M. Shahin, T. Nakai，K. Ishii and M. Kato (2011): *Effectiveness of anchor in retaining wall problem and the influence of anchor length: 2D model tests and numerical simulations*, Proc. of the Central Japan JSCE conference (CD-ROM), Japan, March, pp.225-226.

168.T. Iwata, H. M. Shahin, M. Kikumoto，T. Nakai，K. Ishii and T. Kito (2011):* Model tests on tunnel excavation considering realistic internal displacement and surrounding earth pressure*, Proc. of the 19th Central Japan JSCE conference (CD-ROM), Japan, March, pp.229-230.

169.M. Kikumoto, H. Kyokawa, T. Nakai, H. M. Shahin, K. Tatematsu, M. Koike and K. Tsukamoto (2011): *Elastoplastic description of soil compaction and successive deformation behaviour*, Proc. of the 46th Japan national conference on geotechnical engineering, Kobe, Japan, July, pp. 21-22.

170.T. Nakai, H. M. Shahin, M. Kikumoto and H. Kyokawa (2011): *Explanation of time-dependent models for clays in one-dimensional condition*, Proc. of the 46th Japan national conference on geotechnical engineering, Kobe, Japan, July, pp. 301-302.

171.A. Nakaya, T. Okuno, T. Nakai, H. M. Shahin (2011): *A deformation characteristic of the Kazusa layer mudstone based on consolidation and triaxial compression tests*, Proc. of the 46th Japan national conference on geotechnical engineering, Kobe, Japan, July, pp. 441-442.

172.T. Okuno, A. Nakaya, T. Nakai, H. M. Shahin (2011): *Numerical simulation using subloading tij model on behavior of mudstone under loading of triaxial compression test*, Proc. of the 46th Japan national conference on geotechnical engineering, Kobe, Japan, July, pp. 443-444.

173.K. Tatematsu, M. Koike, K. Tsukamoto, H. Kyokawa, M. Kikumoto, T. Nakai, H. M. Shahin (2011): *Soaking behavior of unsaturated soils under compression and extension conditions and its simulation*, Proc. of the 46th Japan national conference on geotechnical engineering, Kobe, Japan, July, pp. 683-684.

174.M. Koike, K. Tatematsu, K. Tsukamoto, H. Kyokawa, M. Kikumoto, T. Nakai and H. M. Shahin (2011): *Exhausted - undrained compression test reproducing soil compaction and its simulation*, Proc. of the 46th Japan national conference on geotechnical engineering, Kobe, Japan, July, pp. 695-696.

175.H. Yamazaki, W. Inoue, H. Kyokawa, T. Nakai, H. M. Shahin, M. Kikumoto (2011): *Constant strain rate consolidation test on naturally deposited clay and numerical analysis considering bonding and time dependency*, Proc. of the 46th Japan national conference on geotechnical engineering, Kobe, Japan, July, pp. 787-788.

176.R. Sakai, T. Nakai, H. M. Shahin, M. Kikumoto, Y. Yoshida, I. Saito, N. Nagao, K. Toda (2011): *Investigation of reinforcing of ground using composite construction method of steel sheet pile and nailing - model tests and numerical analyses*, Proc. of the 46th Japan national conference on geotechnical engineering, Kobe, Japan, July, pp. 1123-1124.

177.M. Kikumoto, T. Nakai, H. M. Shahin, H. Hirase and S. Shibata (2011):* Adaptive method for controlling settlement of flat foundation by anchors and its experimental validation*, Proc. of the 46th Japan national conference on geotechnical engineering, Kobe, Japan, July, pp. 1159-1160.

178.H. Nakayama, H. M. Shahin, T. Nakai (2011): *Evaluation on shear resistance depending on the shape of the cross section of steel sheet piles*, Proc. of the 46th Japan national conference on geotechnical engineering, Kobe, Japan, July, pp.1329-1320.

179.K. Okuda, M. Kato, M. Kikumoto, H. M. Shahin, T. Nakai (2011): *Model test on the mechanical behavior of anchor retaining wall*, Proc. of the 46th Japan national conference on geotechnical engineering, Kobe, Japan, July, pp. 1357-1358.

180.M. Kato, K. Okuda, M. Kikumoto, H. M. Shahin, T. Nakai (2011):* Model test on the mechanical behavior of anchor retaining wall*, Proc. of the 46th Japan national conference on geotechnical engineering, Kobe, Japan, July, pp. 1359-1360.

181.H. M. Shahin, T. Nakai, M. Kikumoto, K. Ishii and T. Iwata (2011): *Development of a new device for model tunnel excavation*, Proc. of the 46th Japan national conference on geotechnical engineering, Kobe, Japan, July, pp.1411-1412.

182.T. Iwata, K. Ishii, T. Kito, T. Nakai, H. M. Shahin, M. Kikumoto (2011): *Model tests of single tunnel excavation using newly developed device and its numerical simulation*, Proc. of the 46th Japan national conference on geotechnical engineering, Kobe, Japan, July, pp.1413-1414.

183.K. Ishii, T. Iwata, T. Kito, T. Nakai, H. M. Shahin, M. Kikumoto (2011): *Model tests of twin tunnel excavation using newly developed device and its numerical simulation*, Proc. of the 46th Japan national conference on geotechnical engineering, Kobe, Japan, July, pp. 1415-1416.

184.H. Sugiyama, T. Okuno, T. Nakai, H. M. Shahin (2011): *Centrifuge model test and numerical analysis on non-circular large tunnel*, Proc. of the 46th Japan national conference on geotechnical engineering, Kobe, Japan, July, pp. 1421-1422.

185.M. Hinokio, T. Nakai, and H. M. Shahin (2011): *Investigation of tunnel behavior subjected to cyclic shear deformation using finite element analysis*, Proc. of the 46th Japan national conference on geotechnical engineering, Kobe, Japan, July, pp. 1419-1420.

186.T. Iwata, M. Kikumoto, H. M. Shahin, T. Nakai, K. Ishii (2011):* Model test on tunnel excavation with mixed-type boundary and its simulation*, Proc. of the 56th Japan Geotechnical Engineering Symposium, Tokyo, Japan, November, pp. 53-60.

187.M. Kikumoto, M. Kato, K. Okuda, H. M. Shahin, T. Nakai (2011): *Support mechanism and effective arrangements of ground-anchors in braced excavation*, Proc. of the 56th Japan Geotechnical Engineering Symposium, Tokyo, Japan, November, pp. 137-144.

188.M. Kato, M. Kikumoto, T. Nakai, H. M. Shahin, Y. Uetani (2011):* Influences of braced excavation on the neighboring foundation*, Proc. of the 56th Japan Geotechnical Engineering Symposium, Tokyo, Japan, November, pp. 145-152.

189.K. Ishii，T. Nakai，H. M. Shahin，M. Kikumoto and T. Iwata (2010): *Deformation and failure behavior of backfill ground using geosynthetics reinforced wall*, Proc. of the 18th Central Japan JSCE conference (CD-ROM), Japan, March.

190.T. Nakai，H. M. Shahin，M. Kikumoto，H. Kyokawa，Y. Miyahara，F. Zhang (2010): *Formulation of time-dependent behavior in one-dimensional and three-dimensional constitutive models*，Proc. of the 45th Japan national conference on geotechnical engineering, Ehime, Japan, August, pp.233-234.

191.A. Ban, H. Kyokawa, M. Kikumoto, T. Nakai and H. M. Shahin (2010): *Rational modeling of stress-strain relation of temperature dependent behavior in geomaterials*，Proc. of the 45th Japan national conference on geotechnical engineering, Ehime, Japan, August. pp.235-236.

192.U. Suzuki，M. Kikumoto，T. Nakai，H. M. Shahin，H. Kyokawa (2010): *Rational modelling of the effect of particle crushing*，Proc. of the 45th Japan national conference on geotechnical engineering, Ehime, Japan, August, pp.303-304.

193.K. Tatematsu，M. Koike，H. Kyokawa，M. Kikumoto，T. Nakai，H. M. Shahin (2010): *Simulation of compression and soaking tests with an elasto-plastic model for unsaturated soils*，Proc. of the 45th Japan national conference on geotechnical engineering, Ehime, Japan, August. pp. 671-672.

194.H. Kyokawa，M. Kikumoto，T. Nakai，H. M. Shahin，K. Tatematsu，M. Koike (2010): *A mechanical quality evaluation of a compacted soil using an elasto-platic constitutive model of unsaturated soil*，Proc. of the 45th Japan national conference on geotechnical engineering, Ehime, Japan, August, pp.677-678.

195.M. Kikumoto，H. Kyokawa，T. Nakai，H. M. Shahin (2010): *Mechanical interpretation of the compaction behaviour by an elastoplastic model for unsaturated soils*，Proc. of the 45th Japan national conference on geotechnical engineering, Ehime, Japan, August, pp.701-702.

196.Y. Miyahara，T. Nakai，H. M. Shahin，M. Kikumoto，H. Kyokawa (2010): *Application of the one-dimensional model considering the influence of density, bonding and time effect to natural clay*，Proc. of the 45th Japan national conference on geotechnical engineering, Ehime, Japan, August, pp.755-756.

197.R. Sakai，T. Nakai，H. M. Shahin，M. Kikumoto，Y. Yoshida，R. Nagatsu (2010):* Investigation of reinforcing method of embankment ground using steel sheet pile - model tests and numerical analyses*，Proc. of the 45th Japan national conference on geotechnical engineering, Ehime, Japan, August, pp.999-1000.

198.Y. Kimura，T. Nakai，F. Zhang，H. M. Shahin，M. Kikumoto，H. Hirase (2010): *Bearing capacity mechanism of pile foundation and piled raft foundation- 2D･3D model test and numerical analysis*，Proc. of the 45th Japan national conference on geotechnical engineering, Ehime, Japan, August, pp.1131-1132.

199.Y. Uetani, M. Kato，T. Nakai，H. M. Shahin，M. Kikumoto，F. Zhang (2010):* Influence of braced excavation on existing foundation ( raft, pile, piled raft foundation) －study of model experiment and analysis*，Proc. of the 45th Japan national conference on geotechnical engineering, Ehime, Japan, August, 1265-1266.

200.K. Toda，T. Nakai，F. Zhang, H. M. Shahin，M. Kikumoto，Tsugiura (2010):* Influence of tunnel excavation on upper existing orthogonal tunnel －Model tests and numerical simulations*，Proc. of the 45th Japan national conference on geotechnical engineering, Ehime, Japan, August, pp.1339-1340.

201.K. Ishii，H. M. Shahin，T. Nakai，M. Kikumoto，T. Iwata (2010): *Bearing capacity of ground with geosynthetic-reinforced retaining wall － effect of loading position*，Proc. of the 45th Japan national conference on geotechnical engineering, Ehime, Japan, August, pp.1375-1376.

202.H. M. Shahin，K. Ishii，T. Nakai，M. Kikumoto，T. Iwata (2010): *Bearing capacity of ground with geosynthetic-reinforced retaining wall – effect of wall stiffness and embedded depth*，Proc. of the 45th Japan national conference on geotechnical engineering, Ehime, Japan, August, pp.1377-1378.

203.M. Koike，K. Tatematsu， H. Kyokawa，M. Kikumoto，T. Nakai，H. M. Shahin (2010): *Unsaturated elastoplastic modeling based on modified tij an inundation collapse under anisotropic stress condition*，Proc. of the 65th conference of the Japan Society of Civil Engineers (JSCE), Sapporo, Japan, September, (CD-ROM).

204.M. Kato，M. Kikumoto，T. Nakai，H. M. Shahin，Y. Uetani (2010): *Mechanism of retaining wall support using ground anchor*，Proc. of the 65th conference of the Japan Society of Civil Engineers (JSCE), Sapporo, Japan, September, (CD-ROM).

205.A. Ban，H. Kyokawa，M. Kikumoto，T. Nakai，H. M. Shahin (2010): *Rational modeling of stress-strain relation considering thermal property of soil materials*，Proc. of the 65th conference of the Japan Society of Civil Engineers (JSCE), Sapporo, Japan, September, (CD-ROM).

206.Y. Uetani, T. Nakai, F. Zhang, H. M. Shahin & M. Kikumoto (2009): *Influence of braced excavation on existing nearby structure: 2D model tests*，Proc. of the 17th Central Japan JSCE conference (CD-ROM), Japan, March.

207.T. Kijima, T. Nakai, F. Zhang, H. M. Shahin, B. Shintaro, I. Fumio and others (2009): *New control system for landslide of large-scale slope-cutting*, Proc. of the 44th Japan national conference on geotechnical engineering, Yokohama, Japan, August, pp. 105-106.

208.T. Nakai, H. M. Shahin, M. Kikumoto, H. Kyokawa and F. Zhang (2009): *Rational modeling method to describe various characteristics in geomaterials*, Proc. of the 44th Japan national conference on geotechnical engineering, Yokohama, Japan, August, pp. 231-232.

209.H. M. Shahin, T. Nakai, M. Kikumoto and H. Kyokawa (2009): *Rational modeling of time-dependent behavior in geomaterials*, Proc. of the 44th Japan national conference on geotechnical engineering, Yokohama, Japan, August, pp. 233-234.

210.T. Nakai, H. M. Shahin, F. Zhang, A. Watanabe and K. Ishii (2009): *Reinforcing mechanism of reinforced soil retaining wall with geosynthetics – Model tests and numerical analysis*, Proc. of the 44th Japan national conference on geotechnical engineering, Yokohama, Japan, August, pp. 469-470.

211.K. Tatsuo, T. Nakai, F. Zhang, H. M. Shahin, B. Shintaro, I. Fumio and others (2009): *Conventional triaxial tests on undisturbed soil sampled from potential landslide ground and its element simulation*, Proc. of the 44th Japan national conference on geotechnical engineering, Yokohama, Japan, August, pp. 517-518.

212.B. Shintaro, I. Fumio, T. Nakai, F. Zhang, H. M. Shahin and others (2009): *Conventional triaxial tests on undisturbed soil sampled from potential landslide ground and its element simulation*, Proc. of the 44th Japan national conference on geotechnical engineering, Yokohama, Japan, August, pp. 519-520.

213.H. Kyokawa, M. Kikumoto, T. Nakai and H. M. Shahin (2009): *Rational modeling of stress-strain relation of unsaturated soil*, Proc. of the 44th Japan national conference on geotechnical engineering, Yokohama, Japan, August, pp. 649-650.

214.T. Nakai, F. Zhang, H. M. Shahin, B. Shintaro, I. Fumio and others (2009): *Observational construction using movement observation and elastoplastic FEM on the large scale cut slope(1)*, Proc. of the 44th Japan national conference on geotechnical engineering, Yokohama, Japan, August, pp. 801-802.

215.T. Nakai, F. Zhang, H. M. Shahin, B. Shintaro, I. Fumio and others (2009): *Observational construction using movement observation and elastoplastic FEM on the large scale cut slope(1)*, Proc. of the 44th Japan national conference on geotechnical engineering, Yokohama, Japan, August, pp. 801-802.

216.T. Nakai, F. Zhang, H. M. Shahin, B. Shintaro, I. Fumio and others (2009): *Observational construction using movement observation and elastoplastic FEM on the large scale cut slope(2)*, Proc. of the 44th Japan national conference on geotechnical engineering, Yokohama, Japan, August, pp. 803-804.

217.Y. Miyahara, T. Nakai, H. M. Shahin, M. Kikumoto, E. Sawada and H. Kyokawa (2009): *One-dimensional consolidation on clay with different density, bonding and time effect*, Proc. of the 44th Japan national conference on geotechnical engineering, Yokohama, Japan, August, pp. 869-870.

218.T. Konda, H. M. Shahin and T. Nakai (2009):* Numerical Analysis for Backside Ground Surface Settlement of Braced Wall Considering the Deference of Ground Character*, Proc. of the 44th Japan national conference on geotechnical engineering, Yokohama, Japan, August, pp. 1039-1040.

219.Y. Uetani, N. Kanehara, T. Nakai, H. M. Shahin, M. Kikumoto and F. Zhang (2009): *Influence of braced excavation on existing pile foundation*, Proc. of the 44th Japan national conference on geotechnical engineering, Yokohama, Japan, August, pp. 1057-1058.

220.Y. Kimura, T. Nakai, F. Zhang, H. M. Shahin, M. Kikumoto and H. Oyama (2009): *Bearing capacity and deformation mechanism of group pile foundation under various loading conditions*, Proc. of the 44th Japan national conference on geotechnical engineering, Yokohama, Japan, August, pp. 1115-1116.

221.K. Toda, T. Nakai, F. Zhang, H. M. Shahin, M. Kikumoto, M. Nagata and S. Nakazawa (2009):* Reinforcement mechanism of rock bolts on a semicircular tunnel*, Proc. of the 44th Japan national conference on geotechnical engineering, Yokohama, Japan, August, pp. 1279-1280.

222.M. Nagata, T. Nakai, F. Zhang, H. M. Shahin, M. Kikumoto, K. Toda and S. Nakazawa (2009):* Influence of two-dimensional circular tunneling on adjacent pile foundation*, Proc. of the 44th Japan national conference on geotechnical engineering, Yokohama, Japan, August, pp. 1281-1282.

223.H. Kyokawa，M. Kikumoto，T. Nakai & H. M. Shahin: *Constitutive modeling of soil materials considering temperature change*, Proc. of the 64th conference of the Japan Society of Civil Engineers (JSCE), Fukuoka, Japan, September, (CD-ROM).

224.Y. Miyahara, T. Nakai, H. M. Shahin, M. Kikumoto & H. Kyokawa (2009): *1D consolidation properties of clay having different densities, bonding and creep properties*, Proc. of the 64th conference of the Japan Society of Civil Engineers (JSCE), Fukuoka, Japan, September, (CD-ROM).

225.T. Nakai, F. Zhang, H. M. Shahin and Y. Kimura (2008): *Model test and analysis of group pile foundation under various loads*, Proc. of the 43rd Japan national conference on geotechnical engineering, Hiroshima, Japan, July, pp. 1175-1176.

226.Y. Uetani, Y. S. Geraldini, Y. Suzuki, T. Nakai, F. Zhang, M. Kikumoto and H. M. Shahin (2008): E*xperiments and their numerical analyses on active and passive earth pressure*, Proc. of the 43rd Japan national conference on geotechnical engineering, Hiroshima, Japan, July, pp. 1395-1396.

227.T. Konda, H. M. Shahin, T. Nakai and H. Kyokawa (2008): *Finite Element Analysis with Elasto-plastic model for the Soft Clayey Ground in Cut and Cover Construction Site*, Proc. of the 43rd Japan national conference on geotechnical engineering, Hiroshima, Japan, July, pp. 1409-1410.

228.F. Zhang, T. Nakai, H. M. Shahin, M. Kikumoto, Y. Uetani, Y. S. Geraldini and Y. Suzuki (2008): *Influence of existing structure on ground and retaining wall in braced excavation: numerical simulation*, Proc. of the 43rd Japan national conference on geotechnical engineering, Hiroshima, Japan, July, pp. 1413-1414.

229.H. M. Shahin, T. Nakai, F. Zhang, M. Kikumoto, E. Nakahara, M. Nagata and K. Toda (2008):* Effect of adjacent piled raft on deformation and stress of ground during 2D circular tunneling: numerical simulation*, Proc. of the 43rd Japan national conference on geotechnical engineering, Hiroshima, Japan, July, pp. 1435-1436.

230.E. Nakahara, T. Nakai, F. Zhang, H. M. Shahin, M. Kikumoto, M. Nagata and K. Toda (2008): *Effect of adjacent piled raft on deformation and stress of ground during 2D circular tunneling: model tests*, Proc. of the 43rd Japan national conference on geotechnical engineering, Hiroshima, Japan, July, pp. 1437-1438.

231.M. Nagata, T. Nakai, F. Zhang, H. M. Shahin, M. Kikumoto & K. Toda (2008): *2D model tests and simulations on tunnel excavation having various existing foundations*，Proc. of the 64th conference of the Japan Society of Civil Engineers (JSCE), Fukuoka, Japan, September, (CD-ROM).

232.R. Nagatsu, T. Nakai, F. Zhang, H. M. Shahin, and. R. Ito (2007): *Bearing capacity of different types of foundation under various loads*, Proc. of the 42nd Japan national conference on geotechnical engineering, Nagoya, Japan, July, pp. 1183-1184.

233.N. Kenji, F. Zhang, T. Nakai, H. M. Shahin, and. M. Hayashi (2007): *Analysis on deformation performance of cantilever retaining wall*, Proc. of the 42nd Japan national conference on geotechnical engineering, Nagoya, Japan, July, pp. 1423-1424.

234.E. Nakahara, T. Nakai, F. Zhang, H. M. Shahin, Y. Tabata and. M. Nagata (2007): *Deformation and stress of ground during 2D circular tunneling: model tests*, Proc. of the 42nd Japan national conference on geotechnical engineering, Nagoya, Japan, July, pp. 1497-1498.

235.Y. Tabata, T. Nakai, F. Zhang, H. M. Shahin, E. Nakahara and. M. Nagata (2007): *Deformation and stress of ground during 2D circular tunneling: numerical simulations*, Proc. of the 42nd Japan national conference on geotechnical engineering, Nagoya, Japan, July, pp. 1499-1500.

236.H. M. Shahin, T. Nakai, F. Zhang, Y. Tabata and E. Nakahara. (2007): *Deformation and stress of ground during 2D circular tunneling: effect of adjacent structure*, Proc. of the 42nd Japan national conference on geotechnical engineering, Nagoya, Japan, July, pp. 1501-1502.

237.H. M. Shahin, T. Nakai, F. Zhang, Y. Tabata and E. Nakahara (2007): *Behavior of piled raft during 2D trap door tunnel excavation*, Proc. of the 62nd conference of the Japan Society of Civil Engineers (JSCE), Hiroshima, Japan, September, pp. 343-344.

238.M. Hinokio, T. Nakai, F. Zhang, H. M. Shahin, A. Yagyu, S. Noda, T. Kondo and K. Okita (2006): *Effect of soil improvement by static compaction method*, Proc. of the 41st Japan national conference on geotechnical engineering, Hokkaido, Japan, July, pp. 979-980.

239.F. Zhang, T. Nakai, H. M. Shahin and Higashihara (2006): *Estimation of ground deformation during underground construction in soft ground considering construction sequences*, Proc. of the 41st Japan national conference on geotechnical engineering, Hokkaido, Japan, July, pp. 1383-1384.

240.M. Yamamoto, T. Nakai, F. Zhang, H. M. Shahin, M. Kikumoto, E. Sung and Y. Tabata (2006): *Effect of tunnel excavation on the adjacent foundation - 2D model test*, Proc. of the 41st Japan national conference on geotechnical engineering, Hokkaido, Japan, July, pp. 1539-1540.

241.H. M. Shahin, T. Nakai, F. Zhang, M. Kikumoto, E. Sung and M. Yamamoto. (2006): *Effect of tunnel excavation on the adjacent foundation - 2D model simulation*, Proc. of the 41st Japan national conference on geotechnical engineering, Hokkaido, Japan, July, pp. 1541-1542.

242.Y. Tabata, T. Nakai, F. Zhang, H. M. Shahin, M. Kikumoto, E. Sung and M. Yamamoto (2006): *3D model test of tunnel excavation considering adjacent structure*, Proc. of the 41st Japan national conference on geotechnical engineering, Hokkaido, Japan, July, pp. 1703-1704.

243.E. Sung, T. Nakai, F. Zhang, H. M. Shahin, M. Kikumoto, M. Yamamoto and Y. Tabata (2006): *3D model simulation of tunnel excavation considering adjacent structure*, Proc. of the 41st Japan national conference on geotechnical engineering, Hokkaido, Japan, July, pp. 1705-1706.

244.H. M. Shahin, T. Nakai, E. Sung, M. Yamamoto and Y. Tabata (2006):* Influence of pile length on the interaction effect of tunneling and existing piled raft*, Proc. of 61st conference of the Japan Society of Civil Engineers (JSCE), Kyoto, Japan, September, pp. 115-116.

245.Y. Morikawa, H. M. Shahin, T. Nakai, M. Hinokio and A. Yagyu. (2005): *Stress induced anisotropy and its formulation*, Proc. of JSCE (Chubu Shibu), Japan, March, III-21.

246.H. M. Shahin, T. Nakai, M. Hinokio, E. Sung and M. Yamamoto. (2005): *Numerical Analyses of 3D tunnel excavation considering the effects of existing structure*, Proc. of the 40th Japan national conference on geotechnical engineering, Hokkaido, Japan, July, pp. 1821-1822.

247.E. Sung, T. Nakai, H. M. Shahin, M. Yamamoto and Y. Tabata. (2005): *The behaviors of piled raft due to tunnel excavation*, Proc. of the 40th Japan national conference on geotechnical engineering, Hokkaido, Japan, July, pp. 1823-1824.

248.M. Yamamoto, T. Nakai, M. Hinokio, E. Sung, H. M. Shahin, and Y. Tabata. (2005): *Model tests of 3D tunnel excavation considering the effects of existing structures*, Proc. of the 40th Japan national conference on geotechnical engineering, Hokkaido, Japan, July, pp. 1819-1820.

249.T. Nakai, M. Hinokio, H. M. Shahin and Y. Morikawa. (2005): *Usefulness of tij and its evolution*, Proc. of the 40th Japan national conference on geotechnical engineering, Hokkaido, Japan, July, pp. 381-382.

250.T. Nakai, H. M. Shahin, N. Iwata and H. Takei. (2005): *Analysis of 3D braced excavation using subloading tij model*, Proc. of the 40th Japan national conference on geotechnical engineering, Hokkaido, Japan, July, pp. 1791-1792.

251.T. Nakai, H. M. Shahin, N. Iwata and H. Takei. (2005): *Analysis of 3D braced excavation using subloading tij model*, Proc. of the 40th Japan national conference on geotechnical engineering, Hokkaido, Japan, July, pp. 1791-1792.

252.Y. Morikawa, T. Nakai, M. Hinokio, H. M. Shahin, A. Yagyu and A. Yamakita. (2005):* Simulation of Stress Induced Anisotropy using Isotropic Hardening*, Proc. of the 40th Japan national conference on geotechnical engineering, Hokkaido, Japan, July, pp. 383-384.

253.A. Yagyu, T. Nakai, M. Hinokio, H. M. Shahin, Y. Morikawa and A. Yamakita. (2005): *Validation of isotropic hardening model considering stress induced anisotropy*, Proc. of the 40th Japan national conference on geotechnical engineering, Hokkaido, Japan, July, pp. 385-386.

254.H. M. Shahin and T. Nakai. (2005): *Performance of automatic load stepping method for FEM with subloading tij model*, Proc. of 60th conference of the Japan Society of Civil Engineers (JSCE), Tokyo, Japan, September.

255.M. Hinokio, H. M. Shahin, T. Nakai, A. Yagyu, T. Kondou and K. Okita (2005):* Efficiency of a static soil densification process - investigated by numerical analysis*, Proc. of 60th conference of the Japan Society of Civil Engineers (JSCE), Tokyo, Japan, September.

256.H. M. Shahin, T. Nakai, M. Hinokio, T. Sada and M. Yamamoto. (2004):* Influence of existing building with different types of foundations on tunnel excavation– FEM analysis*, Proc. of the 39th Japan national conference on geotechnical engineering, Nigata, Japan, July, pp. 1733-1734.

257.T. Sada, T. Nakai, M. Hinokio, H. M. Shahin and M. Yamamoto. (2004): *Influence of existing building with different types of foundations on tunnel excavation– Model Test*, Proc. of the 39th Japan national conference on geotechnical engineering, Nigata, Japan, July, pp. 1731-1732.

258.H. M. Shahin and T. Nakai. (2004): *Simulation of full scale tunnel excavations using TBM considering different excavation rates*, Proc. of 59th conference of the Japan Society of Civil Engineers (JSCE), Nagoya, Japan, September, pp. 163-164.

259.H. M. Shahin, T. Nakai, T. Sada, S. Taka and Y. Matsumoto. (2003):* Influence of initial stresses induced by existing building on tunnel excavation*, Proc. of the 38th Japan national conference on geotechnical engineering, Akita, Japan, July, pp. 1729-1730.

260.T. Sada, T. Nakai, M. Hinokio, H. M. Shahin, S. Taka, and Y. Matsumoto. (2003): *3D Effects in Tunneling –Model tests and Numerical analyses*, Proc. of the 38th Japan national conference on geotechnical engineering, Akita, Japan, July, pp. 1727-1728.

261.H. M. Shahin, T. Nakai, M. Hinokio and T. Sada. (2003): *Tunnel excavations considering building loads: 2D model tests and numerical analyses*, Proc. of 58th conference of the Japan Society of Civil Engineers (JSCE), Tokushima, Japan, September, section 3-001.

262.H. M. Shahin, T. Nakai, M. Hinokio, T. Kurimoto and T. Sada. (2002): *2D and 3D Model tests and Numerical Analyses in Shallow Tunneling*, Proc. of the 37th Japan national conference on geotechnical engineering, July, Osaka, Japan, pp. 1671-1672.

263.T. Kurimoto, T. Nakai, M. Hinokio, H. M. Shahin and T. Sada. (2002): *2D Model Tests and Numerical Analyses in Shallow Tunneling with Large Cross-Section*, Proc. of the 37th Japan national conference on geotechnical engineering, July, Osaka, Japan, pp. 1673-1674.

264.H. M. Shahin, T. Nakai, D. Yamaguchi, T. Kurimoto and T. Sada. (2002): *Tunnel excavation problems considering construction sequences*, Proc. of 126th Symposium on Ground Deformation considering construction sequence, Tokyo, Japan, September, pp. 183-190.

265.H. M. Shahin, T. Nakai. T. Hoshikawa, D. Yamaguchi and T. Kurimoto. (2001): *Experimental and numerical analysis of ground deformations considering the construction processes of tunnel excavations*, Proc. of the 36th Japan national conference on geotechnical engineering, Tokushima, Japan, June, pp. 1775-1776.

266.T. Kurimoto, T. Nakai, D. Yamaguchi and H. M. Shahin. (2001): *Development of three-dimensional apparatus for model test by considering construction process*, Proc. of the 36th Japan national conference on geotechnical engineering, Tokushima, Japan, June, pp. 1947-1948.

267.D. Yamaguchi, T. Nakai, H. M. Shahin and H. Mizukoshi. (2000): *3D model tests on tunnel excavation considering excavation process* Proc. of the 35th Japan national conference on geotechnical engineering, June, Gifu, Japan, vol-2, pp. 2065-2066.

268.Stability evaluation of slope ground

Date of Application: February 24, 2009, Application no: Patent 2009-040597

Date of Acceptance: September 9, 2010, Publication no: Patent 2010-196306

The present invention relates to provide a ground stability assessment method that can accurately evaluate the stability of the ground during construction and after construction or excavation of slope ground.