Soil slope stability analysis method and system considering local degradation

The invention provides a soil body slope stability analysis method and system considering local degradation, and belongs to the technical field of slope stability evaluation.The method comprises the steps that to-be-predicted slope parameters are obtained, a slope model is constructed, reduction coe...

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Hauptverfasser: ZONG LIJUN, LIU WEN, HAO YANAN, SUO SHUAI, KAN AKITAKE, DU BAOSHUAI, JIANG BO, LIU SHUANG, CHEN YANG, LI XIAOYU, ZHANG HUAKAI, ZHANG GUANGCHENG, DENG HUALING
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The invention provides a soil body slope stability analysis method and system considering local degradation, and belongs to the technical field of slope stability evaluation.The method comprises the steps that to-be-predicted slope parameters are obtained, a slope model is constructed, reduction coefficients of cohesive force and an internal friction angle are defined, and a comprehensive safety coefficient is calculated; the method comprises the following steps: deducing a mapping relation between cohesive force and an internal friction angle reduction coefficient according to a soil body softening process, and firstly, integrally reducing a slope model to obtain a plastic zone range of a slope; and extracting a soil body unit, and carrying out iterative reduction on the cohesive force and the internal friction angle of the extracted soil body unit according to a mapping relation between reduction coefficients to realize reduction calculation of the comprehensive coefficient slope stability considering local