1. Constitutive model of soils, 2. Slope stability problems, 3. Finite Element Method, 4. Soil – structure interaction. 5. Soil-water interaction problems

**Other Associated Faculties & Staff: **

1. Mohammed, T. U., Mahmood, A. H., Chowdhury, I. M., Humayun, A. M., Ahmed, T (2016). *Sustainability of Construction Materials in Bangladesh*, 4th International Conference on Sustainability of Construction Materials and Technologies (SCMT4), Paper No. S182, Las Vegas, USA, August 7 – 11, 2016.

2. 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.

3. 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.

4. 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.

5. 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.

6. 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.

7. 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.

8. 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.

9. 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.

10. 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.

11. 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.

12. 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.

13. 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.

14. 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.

15. 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.

16. 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.

17. 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.

18. 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.

19. 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.

20. 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.

21. 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.

22. 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.

23. 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.

24. 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.

25. 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.

26. 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.

27. 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.

28. 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.

29. 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.

30. 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.

31. 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.

32. 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.

33. 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.

34. 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.

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. 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.

41. 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.

42. 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.

43. 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.

44. 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.

45. 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.

46. 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.

47. 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.

48. 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.

49. 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.

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

51. 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.

52. 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.

53. 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.

54. 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.

55. 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.

56. 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.

57. 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.

58. 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.

59. 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.

60. 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.

61. 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.

62. 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.

63. 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.

64. 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.

65. 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.

66. 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.

67. 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.

68. 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.

69. 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.

70. 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.

71. 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).

72. 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).

73. 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).

74. 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.

75. 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.

76. 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.

77. 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.

78. 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.

79. 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.

80. 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.

81. 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.

82. 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.

83. 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.

84. 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.

85. 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.

86. 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.

87. 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.

88. 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.

89. 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.

90. 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.

91. 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.

92. 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.

93. 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.

94. 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.

95. 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.

96. 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.

97. 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.

98. 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.

99. 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.

100. 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.