研究者詳細 - 中野　正樹

論文 - 中野　正樹

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

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

Soils and Foundations 45 巻 ( 1 ) 頁： 141-151 2005年2月

担当区分：筆頭著者記述言語：英語掲載種別：研究論文（学術雑誌）

The Super/subloading yield surface model was proposed to explain the complicated mechanical behaviors in natural deposited clays. In this constitutive model, the concepts of “structure", overconsolidation and anisotropy and these evolution laws are introduced into the modified Cam-clay model.
In the present study, the undrained triaxial compression tests and the oedometer tests of three kinds of the natural deposited undisturbed clay were carried out, and then those behaviors were simulated using Super/subloading Yield Surface model. The new findings are as follows:
1)The overconsolidated clay in the undrained triaxial compression test displays the “rewinding", a softening behavior with decrease of p' after a hardening with decrease of p'. On the other hand, the normally consolidated clay displays a softening behavior with decrease of p' after a hardening with decrease of p'. 2)The clay is able to sustain greater vertical loads for the same void ratio as the reconstituted clay in the one-dimensional compression behavior .3)For three kinds of the undisturbed clay, the Super/subloading Yield Surface model can simulate the undrained triaxial compression behaviors ranging from in normally consolidated state to in overconsolidated state corresponding to various isotropic pressures using a single set of material constants. In addition, the model can simulate the one-dimensional compression behaviors using the same material constants as those used in the shear behavior.

Elasto-plactic Description of Undrained Shear Behavior of Sand Depending on Confining Stress 招待有り

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

International Symposium on Plasticity 2005 1 巻頁： 283-285 2005年1月

Progressive Consolidation Settlement of Naturally Deposited Clayey Soil under Embankment Loading 査読有り

45 巻 ( 5 ) 頁： 39-51 2005年

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

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

Proc. 2nd International Workshop on New Frontiers in Computational Geotechnics (IWS-Fortaleza) 1 巻頁： 29-32 2005年

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： 419-426 2004年8月

土の骨格構造の働きに着目した「擬似過圧密効果」の一考察査読有り

田代むつみ, 野田利弘,中野正樹

応用力学論文集 7 巻頁： 589-596 2004年8月

Mechanical differences between sand and clay under monotonic and cyclic loading

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

Proc. Int. Conference on Cyclic Behaviour of Soils and Liquefaction Phenomena (CBS04) 1 巻頁： 77-84 2004年

Mechanical behaviour of structured clay and simulation 査読有り

Shibuya, S. Li, D. Noda, T. and Nakano, M.

ASCE, First Japan-U.S. Workshop on Testing, Modeling and Simulation in Geomechanics 頁： 286-306 2004年

A description of mechanical behaviors of clay and san based on evolutions of soil structure and overconsolidation 査読有り

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

First Japan-U.S. Workshop on Testing, Modeling and Simulation in Geomechanics 1 巻頁： 136-153 2004年

Mechanical behaviors of clay and sand in terms of active soil skeleton structure

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

Proc. Int. Conference on Computational & Experimental Engineering and Sciences (ICCES'04) 1 巻 2004年

Elasto-plastic description of shear behavior after compaction of loose sand

Nakano, M., Noda, T., Yamada, E., Kaneda, K., Nakai, K. and Asaoka A.

Proc. 1st International Workshop on New Frontiers in Computational Geomechanics (IWS-CALGARY 2002) 1 巻頁： 27-32 2003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

Compaction behavior of sand with degradation of structure and overconsolidation

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

Proc. of Sino-Japanese Symposium on Geotechnical Engineering 1 巻頁： 455-462 2003年

Delayed compression associated with low land subsidence due to dewatering

Kaneda, K., Noda, T., Nakano, M., Asaoka A. and Yamada, S.

Proc. of Sino-Japanese Symposium on Geotechnical Engineering 1 巻頁： 25-32 2003年

Delayed settlement behavior of naturally deposited clayey soil due to the decay of soil structure

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

Proc. Int. Workshop on Prediction and Simulation Methods in Geomechanics (IWS-Athens 2003) 1 巻頁： 173-176 2003年

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

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

Proc. of 12th Asian Regional Conf. on Soil Mechanics and Geotechnical Engineering 1 巻頁： 505-508 2003年

Effects of sampling on delayed compression of naturally deposited clay

Noda, T., Nakano, M., Kaneda, K., Asaoka, A. and Yamada S.

Proc. of 1st International Workshop on New Frontiers in Computational Geomechanics (IWS-CALGARY 2002) 1 巻頁： 83-90 2003年

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

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

Proc. of 12th Asian Regional Conf. on Soil Mechanics and Geotechnical Engineering 1 巻頁： 505-508 2003年

An elasto-plastic description of two distinct volume change mechanisms of soils 査読有り

Asaoka, A., Noda, T., Yamada, E., Kaneda, K. and Nakano, M.

Soils and Foundations 42 巻 ( 5 ) 頁： 47-57 2002年

A review of Japanese standards for laboratory shear tests

Kuwano, J, Katagiri, M., Kita, K., Nakano, M. and Kuwano, R.

Advanced Laboratory Stress-Strain Testing of Geomaterials (Tatsuoka et al. eds.) 1 巻頁： 53-64 2001年

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