Correlation Research between Landslide Thrust and Invading Width of Rock for Rock-Socketed Anti-sliding pile in Steep Slope


Huang Zhi1*, Wang Jinhui2, Jiang Lizhong1, Wang Ming3

1. School of Civil Engineering, Central South University, Changsha 410075, China
2. Construction of three construction project in the Nothwest Branch Co., Ltd., Xian 710065 China
3. School of Civil Engineering and Architecture, Changsha University of Science and Technology, Changsha 410114, China
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For the study of landslide thrust of invading width on the front of rock-socketed anti-sliding pile, Finite element model of spatial entities for rock-socketed anti-sliding pile and rock has been built up by use of ABAQUS. Rock stress changes of anti-sliding piles has been obtained under different landslide thrust by changing the invading width L and slip surfacedip of rock on the front of pile. According to the comparison of the results, the bearing capacity of landslide thrust for rock-socketed anti-sliding pile increased with the invading width on the front of rock increased under certain dip of slip surface. However, when the invading width reached a certain value, the landslide thrust got a stabilized value basically. What is more, when the invading width is not changed, with the increase of dip of slip surface, the bearing capacity of landslide thrust has a linear decrease. Lastly, the correlation between the invading width of rock on the front of the rock-socketed anti-sliding pile in steep slope and landslide thrust has been determined combined with engineering examples.

Keywords: rock-socketed anti-sliding pile, invading width, dip of slip surface, landslide thrust, ABAQUS

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