Application of soil coupled creep model to simulate foundation pit excavation

被引：0
|
作者：
Guo, Hai-Zhu [1 ,2 ]
Zhang, Qing-He [1 ,2 ]
Zhu, Ji-Wen [3 ]
Yao, Hai-Ming [3 ]
机构：
[1] Key Laboratory of Geotechnical and Underground Engineering, Tongji University, Shanghai 200092, China
[2] Department of Geotechnical Engineering, Tongji University, Shanghai 200092, China
[3] Shanghai Municipal Engineering Corporation No.2, Shanghai 200232, China
来源：
Yantu Lixue/Rock and Soil Mechanics | 2009年 / 30卷 / 03期
关键词：
Creep model - Deep foundation pit - Design and construction - Foundation pit constructions - Foundation pit excavations - Time space effect - Triaxial rheological test - Underground diaphragm wall;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
There is remarkable time-space effect in foundation pit construction in soft soil area. Creep model coupled by time hardening exponential function law and Druker-Prager yield and failure criterion can reflect the time effect in foundation pit construction. The parameters gained by fitting triaxial rheological test are used to simulate the deep foundation pit excavation. The influence of supporting time on deformation of retaining structure and internal force is analyzed. The results and the measured data are basically consistent. This method can offer references for design and construction of deep foundation pit excavation.
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页码：688 / 692
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