一种土-岩混合边坡的稳定性分析计算方法

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Stability Analysis for Soil-Rock Composite Slope

1. State Key Laboratory of Geohazard Prevention and Geoenvironment Protection, Chengdu Sichuan 610059;
2. Southwest Geotechnical&Design Institute of China Nuclear Industry, Chengdu Sichuan 610055;
3. Chengdu Check and Test Station of Architecture Quality, Chengdu Sichuan 610051 China

摘要: 土-岩混合边坡是指工程中常见的上部由土和岩石全风化层组成,下部由岩石组成的边坡。针对现行相关规范规程中未给出土-岩混合边坡稳定性分析具体方法的现实问题,结合某工程实例,提出了对坡体上部土和强风化层采用圆弧法滑动法分析、下部岩石依据结构面组合确定危险面,总体采用传递系数法进行稳定性分析的思路及具体方法,可为岩质非顺向的土-岩混合边坡的稳定性分析提供参考。
- 土-岩混合边坡 /
- 边坡稳定分析 /
- 圆弧滑动 /
- 平面滑动 /
- 传递系数法
Abstract: For soil-rock commixture, there is no standard model of design calculation in existing criterions. Based on the investigating data, the circular sliding method is adopted to search the most dangerous potential slide surface in the intenseweathered layer and the soil. And the most dangerous potential slide surface is in combination with the structure surface of the mid-weak weathered layer,and the transmission coefficient method can be used to carry out the overall stability analysis.
- soil-rock composite slope /
- slope stability analysis /
- circular sliding /
- planar failure /