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Case Analysis on High Slope Stability and Optimization Design of Supporting Structure
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Hebei Research Institute of Construction & Geotechnical Investigation Co., Ltd.,Hebei Research Institute of Construction & Geotechnical Investigation Co., Ltd.,Hebei Research Institute of Construction & Geotechnical Investigation Co., Ltd.,Dalian West Pacific Petrochemical Co., Ltd.

Clc Number:

TD824.7;P642.22

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    Abstract:

    According to a case of once again high soil slope instability in Nianzigou coal mine and combined with the field survey data, the analysis is carried out on the causes of landsliding instability. The numerical calculation is made by using ABAQUS finite element analysis software and the shear strength reduction coefficient method, the parameters of the safety factor and the sliding surface of the soil under the saturated state are obtained, and the potential damage process of the landslide is analyzed. Based on the relevant provisions of specifications, the landslide sliding force is calculated by using the concept of polyline sliding surface and implicit solution of transfer coefficient method to provide the basis for optimization. By optimizing the design of support structures, the adverse impact of rainfall on the slope is reduced and the slope deformation can be controlled.

    Reference
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    [2] 巨能攀,赵建军,邓辉等.公路高边坡稳定性评价及支护优化设计[J].岩石力学与工程学报,2009,6:1152~1161.
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    [5] 邹广电,魏汝龙.土坡稳定分析普遍极限平衡法数值解的理论及方法研究[J]. 岩石力学与工程学报,2006,2:363~370.
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History
  • Received:September 02,2016
  • Revised:May 27,2017
  • Adopted:June 02,2017
  • Online: August 23,2017
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