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On-line Access: 2021-03-10

Received: 2020-04-07

Revision Accepted: 2020-09-28

Crosschecked: 2021-01-20

Cited: 0

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Citations:  Bibtex RefMan EndNote GB/T7714


Qi-yin Zhu


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Journal of Zhejiang University SCIENCE A 2021 Vol.22 No.3 P.182-187


Thermal strain response of saturated clays in 1D condition

Author(s):  Qi-yin Zhu, Tian-yu Zhao, Pei-zhi Zhuang

Affiliation(s):  State Key Laboratory for Geomechanics & Deep Underground Engineering, China University of Mining and Technology, Xuzhou 221116, China; more

Corresponding email(s):   qiyin.zhu@cumt.edu.cn

Key Words:  Thermal strain response, Saturated clay, Thermoplasticity

Qi-yin Zhu, Tian-yu Zhao, Pei-zhi Zhuang. Thermal strain response of saturated clays in 1D condition[J]. Journal of Zhejiang University Science A, 2021, 22(3): 182-187.

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author="Qi-yin Zhu, Tian-yu Zhao, Pei-zhi Zhuang",
journal="Journal of Zhejiang University Science A",
publisher="Zhejiang University Press & Springer",

%0 Journal Article
%T Thermal strain response of saturated clays in 1D condition
%A Qi-yin Zhu
%A Tian-yu Zhao
%A Pei-zhi Zhuang
%J Journal of Zhejiang University SCIENCE A
%V 22
%N 3
%P 182-187
%@ 1673-565X
%D 2021
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A2000152

T1 - Thermal strain response of saturated clays in 1D condition
A1 - Qi-yin Zhu
A1 - Tian-yu Zhao
A1 - Pei-zhi Zhuang
J0 - Journal of Zhejiang University Science A
VL - 22
IS - 3
SP - 182
EP - 187
%@ 1673-565X
Y1 - 2021
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A2000152

The main purpose of this study is to interpret the thermoplastic volumetric response of saturated clay during heating and cooling based on thermoplasticity. A two-yield-surface model for describing the thermo-mechanical behavior of both normally consolidated and overconsolidated saturated clay is proposed. Compared with similar existing models, the novelty of the proposed model lies mainly in two aspects: (a) a new equation directly expressing the thermoplastic strain with one additional parameter is proposed which is related to the stress condition and temperature increment; (b) a newly defined coupling mechanism of thermal and mechanical surfaces is used which is more concise. The capabilities of the proposed models to describe the observed experimental behavior were analyzed by predicting the thermal deformation of illite clay and loess suffering thermomechanical loading. Specifically, the accumulated volumetric strains in 1D conditions after multiple heating and cooling cycles were simulated and discussed.


方法:1. 通过试验结果分析、理论推导提出本构关系;2. 通过参数分析和试验模拟,验证本构关系的有效性及合理性.


Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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