IMECH-IR  > 流固耦合系统力学重点实验室
A new bounding-surface plasticity model for cyclic behaviors of saturated clay
Hu C(胡存); Liu HX(刘海笑); Liu, HX (reprint author), Tianjin Univ, Sch Civil Engn, Tianjin 300072, Peoples R China.
Source PublicationCommunications in Nonlinear Science and Numerical Simulation
2015-05
Volume22Issue:1-3Pages:101-119
ISSN1007-5704
AbstractA new combined isotropic-kinematic hardening rule is proposed based on the concept of the generalized homological center and the generalization of Masing's rule. The key point of the new hardening rule is that the unloading event can be treated as if it were virgin loading through taking the stress reversal point as the new generalized homological center of the bounding surface. Therefore, a new simple bounding-surface plasticity model with three important features for the cyclic behaviors of saturated clay is developed. Firstly, according to the movement of the generalized homological center, the model can harden not only isotropically but also kinematically to account for the anisotropy and memory the particular loading events. Secondly, the continuous cyclic loading is divided into the first loading, unloading and reloading processes and they are treated differently when calculating the hardening modulus to describe the soil responses accurately. The third feature is taking the generalized homological center as the mapping origin in the mapping rule to reflect the plastic flow in the unloading event. The behaviors of saturated clay for the monotonic and cyclic stress-controlled and strain-controlled triaxial tests are simulated by the model. The prediction results show an encouraging agreement with the experimental data. (C) 2014 Elsevier B.V. All rights reserved.
KeywordBounding-surface Plasticity Model Saturated Clay Cyclic Loading Cyclic Behavior Generalized Homological Center
DOI10.1016/j.cnsns.2014.10.023
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Indexed BySCI ; EI
Language英语
WOS IDWOS:000345700500010
WOS KeywordSUCTION CAISSONS ; SOILS ; FOUNDATIONS ; CAPACITY ; SAND
WOS Research AreaMathematics ; Mechanics ; Physics
WOS SubjectMathematics, Applied ; Mathematics, Interdisciplinary Applications ; Mechanics ; Physics, Fluids & Plasmas ; Physics, Mathematical
Funding OrganizationFinancial support from the National Natural Science Foundation of China (Grant Nos. 51309213, 51179124 and 50979070) is gratefully acknowledged. The first author would also like to thank Professor T. Li in Beijing Jiaotong University of China for his generous help with this research.
DepartmentLMFS流固土耦合力学(LHO)
Classification一类
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/49459
Collection流固耦合系统力学重点实验室
Corresponding AuthorLiu, HX (reprint author), Tianjin Univ, Sch Civil Engn, Tianjin 300072, Peoples R China.
Recommended Citation
GB/T 7714
Hu C,Liu HX,Liu, HX . A new bounding-surface plasticity model for cyclic behaviors of saturated clay[J]. Communications in Nonlinear Science and Numerical Simulation,2015,22(1-3):101-119.
APA 胡存,刘海笑,&Liu, HX .(2015).A new bounding-surface plasticity model for cyclic behaviors of saturated clay.Communications in Nonlinear Science and Numerical Simulation,22(1-3),101-119.
MLA 胡存,et al."A new bounding-surface plasticity model for cyclic behaviors of saturated clay".Communications in Nonlinear Science and Numerical Simulation 22.1-3(2015):101-119.
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