研究者詳細 - 中井　健太郎

論文 - 中井　健太郎

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Elasto-plactic Description of Undrained Shear Behavior of Sand Depending on Confining Stress 査読有り

Masaki NakanoToshihiro NodaKentaro NakaiAkira Asaoka

International Symposium on Plasticity 2005, Kauai (Hawaii) 頁： 283-285 2005年1月

Densification of dewatered sludge by compaction after crushing and air-mixing mechanical behaviour of structured clay and simulation 査読有り

Nakano, M., Nakai, K. and Kaneda, K.

ASCE Geotechnical Special Publication No.156, Geomechanics II: Testing Modeling and Simulation 頁： 189-200189-200 2005年

*Simulation of shear and one-dimensional compression behavior of naturally deposited clays by Super/subloading Yield Surface Cam-clay model 査読有り

Masaki NakanoKentaro NakaiToshihiro NodaAkira Asaoka

Soils and Foundations 45 巻 ( 1 ) 頁： 141-151 2005年

記述言語：英語掲載種別：研究論文（学術雑誌）

In the present study, undrained triaxial compression tests and oedometer tests were carried out on two types of naturally deposited undisturbed clay, Pleistocene clay and Holocene clay, and the behaviors of these clays were then simulated using the Super/subloading Yield Surface Cam-clay model (Asaoka, Nakano and Noda, 1998, 2000 and Asaoka et al., 2002), in which the concepts of “structure," overconsolidation, anisotropy, and their evolution laws, are introduced into the modified Cam-clay model. The findings of the present study are as follows:
1) For the two types of undisturbed clay, the Super/subloading Yield Surface Cam-clay model can simulate undrained triaxial compression behaviors ranging from the normally consolidated state to the overconsolidated state, corresponding to various isotropic pressures using a single set of material constants.
2) In addition, the model can simulate one-dimensional compression behaviors using the same material constants as those used for the undrained triaxial compression behavior simulation.
3) Both undrained shear and one-dimensional compression behaviors for the two types of undisturbed clay, that is Pleistocene clay and Holocene clay, which have different loading histories and have undergone different ageing effects, were simulated using the Super/subloading Yield Surface Cam-clay model by changing the evolution parameters.

粘土化のしやすさの異なる第三紀泥岩粉砕砕石集合体の一次元圧縮挙動査読有り

中野正樹中井健太郎

応用力学論文集 7 巻頁： 685-692 2004年8月

Description of “compaction" and “liquefaction" behavior of sand based on evolution of soil skeleton structure 査読有り

Nakai, K, Nakano, M., Noda, T. and Asaoka, A.

Proceedings of 2nd International Workshop on New Frontiers in Computational Geomechanics (IWS-FORTALEZA 2004), 頁： 29-32 2004年

初期構造が第三紀泥岩の粘土化に及ぼす影響査読有り

中野正樹中井健太郎

応用力学論文集 6 巻頁： 419-426 2003年8月

Elasto-Plastic Description of Shear Behavior after Compaction of Loose Sand 査読有り

Masaki NakanoToshihiro NodaEiji YamadaKazuhiro KanedaKentaro Nakai

Proc. 1st Inter. Workshop on New Frontiers in Comp. Geomechanics (IWS- CALGARY 2002), (Eds A. Yashima et al.,) Calgary, Canada. 頁： 27-32 2003年

Compaction behavior of sand with degradation of structure and overconsolidation 査読有り

Nakano, M., Noda, T., Asaoka A. and Nakai, K.

Proc. of Sino-Japanese Symposium on Geotechnical Engineering, Beijing, China 頁： 455-462 2003年

Elasto-plastic Simulation of Compaction Behavior of Loose Sand due to the Decay of Soil Structure 査読有り

Masaki NakanoAkira AsaokaKazuhiro KanedaKentaro Nakai

Proc. of 12th Asian Regional Conf. on Soil Mechanics and Geotechnical Engineering, Leung et al. Singapore. 頁： 505-508 2003年

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