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CHARACTERISATION OF STRESS AND MOISTURE-DEPENDENT RESILIENT BEHAVIOUR FOR COMPACTED CLAYS IN SOUTH CHINA

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成果类型:
期刊论文
作者:
Zhang, Junhui*;Peng, Junhui;Zheng, Jianlong;Yao, Yongsheng
通讯作者:
Zhang, Junhui
作者机构:
[Peng, Junhui; Yao, Yongsheng; Zhang, Junhui; Zheng, Jianlong] Changsha Univ Sci & Technol, Natl Engn Lab Highway Maintenance Technol, Changsha, Hunan, Peoples R China.
通讯机构:
[Zhang, Junhui] C
Changsha Univ Sci & Technol, Natl Engn Lab Highway Maintenance Technol, Changsha, Hunan, Peoples R China.
语种:
英文
关键词:
resilient modulus;prediction model;soil suction;bulk stress;compacted clays
期刊:
Road Materials and Pavement Design
ISSN:
1468-0629
年:
2020
卷:
21
期:
1
页码:
262-275
基金类别:
National Natural Science Foundation of ChinaNational Natural Science Foundation of China [51478054]; National Key Research and Development Program of China [2017YFC0805307]; Key Project of Education Department of Hunan Province [17A008]; Open Research Fund of Science and Technology Innovation Platform of State Engineering Laboratory of Highway Maintenance Technology, Changsha University of Science Technology [kfj150103]
机构署名:
本校为第一且通讯机构
院系归属:
交通运输工程学院
摘要:
In order to predict the resilient modulus of compacted clays, the material indicator tests, repeated load triaxial test, and pressure plate test for compacted clays from South China were carried out. The soil–water characteristic curve (SWCC) was described using the Fredlund and Xing’s model. And a logarithmic function between the soil suction and resilient modulus was built. Then, a new variable named the minimum bulk stress was defined to separate the shear effect of soil samples from the bulk stress, which avoids the bulk stress reflects t...

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