Recent developments of generalized plasticity models for saturated and unsaturat

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d}kyO)b0Recent developments of generalized plasticity models for saturated and unsaturated soils水利论文5\] ?)c Mh

'ZrD ~$x0Abstract:Soil undergoes both elastic and plastic deformations under different loading conditions.A relatively accurate constitutive model of soil behaviors should be capable of predicting the elastic and plastic deformations properly.Among a large number of elastoplastic constitutive models developed over the last several decades,constitutive models based on generalized plasticity have been successfully utilized in modeling the mechanical behavior of various soils.This paper attempts to present a review of the most recent developments of generalized plasticity models for geotechnical problems.After a brief review of generalized plasticity theories and constitutive models,limitations of the original Pastor-Zienkiewicz model in practical application are summarized.Afterwards,recent achievements in the generalized plasticity models for both saturated and unsaturated soils and their applicability are analyzed,and a general approach for modification of generalized plasticity models is highlighted.

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Author:

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Hong-en LI[1] Yong-jun HE[1] Guang-ya FAN[1] Tong-chun LI[2] Manuel PASTOR[3]

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Dam Safety Management Department, Nanjing Hydraulic Research Institute, Nanjing 210029, P. R. China;Dam Safety Management Center of Ministry of Water Resources, Nanfing 210029, P. R. ChinaCollege of Water Conservancy and Hydropower Engineering, Hohai University, Nanfing 210098, P. R. ChinaDepartment of Applied Mathematics, Technical University of Madrid, Madrid 28040, Spain水利论文B h}0u.ya

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期 刊:

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水科学与水工程水利论文 BTT(T"x6x of0dP

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Journal:

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Water Science and Engineering水利论文#}8mrQ#R1L dcM nGc

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年,卷(期):

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2011, 04(3)

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generalized plasticity水利论文!AE[QH5`W x%u0JX

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constitutive model水利论文+rh{?4T

4W1iBo^(WSM:|QH0Pastor-Zienkiewicz model水利论文 Z(bY0S.R)f

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saturated and unsaturated soils

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5uo|2J g2G| n2k1Wg0unsaturated soils generalized constitutive model practical application mechanical behavior plastic achievements different theories modeling approach paper based

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基金项目:水利论文,?Ry I#MNk

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