The anti-slide pile is an important method to treat landslide at present. Because of the particularity of rock and soil masses
there are many differences between the practical engineering
landslide thrust of landslide at the back of the pile
soil resistance
failure mode of pile deformation
and theoretical calculation. So we’ve done the physical model test of fortifying landslide with cantilever anti-slide pile
loaded step by step on the top of landslide mass
then obtained some phenomena and lots of test data
the landslide thrust at the back of the pile
soil resistance in the front of the pile and pile strain by using testing equipments. According to the test data
pile failure mode and variation of landslide thrust distribution and soil resistance are analyzed. The test results show that the cantilever anti-slide pile is divided into two parts: separated part and contact part; then landslide thrust has gradually concentrated to the contact part as load increases. Soil resistance in the front of the pile is mainly above 25 cm. It decreases with the depth increasing. The failure model of cantilever anti-slide pile is break-off and the failure point of pile lies 25 cm below the sliding surface. The reason is soil yielding in front of pile caused a large displacement of the pile top and the pile broke off. Finally landslide is instable. These results have reference significant for the actual engineering.
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Related Author
CAO Xiao-yong
LIU Rui-hui
LI Jian-fei
YE Xin-xin
GENG Jun-yang
TAN Hai-xing
CHEN Huai-lin
YANG Tao
Related Institution
School of Highway, Chang’an University
CCCC First Highway Consultants Co., Ltd.
State Key Laboratory of Intelligent Construction and Maintenance for Geotechnical and Tunnel Engineering under Extreme Environments, Southwest Jiaotong University
China Northwest Research Institute Co., Ltd., of CREC