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主要以江苏省南京地区的地层岩性及地质构造条件为依据,以极限平衡理论为基础,运用geo-studio软件中的SLOPE/W模块和VADOSE/W模块来计算分析边坡在天然工况和暴雨工况下,边坡内不同硬岩厚度对边坡稳定性的影响。结果表明,边坡内部硬岩的存在,对边坡稳定性起到了非常有利的作用,且硬岩的存在,会使边坡潜在滑动面的范围和深度明显增加,起到积极的抗滑作用。
Based on the stratigraphic lithology and geological tectonic conditions in Nanjing, Jiangsu Province, based on the theory of limit equilibrium, SLOPE / W module and VADOSE / W module in geo-studio software are used to calculate and analyze the slope conditions in natural conditions and Influence of different hard rock thickness on slope stability under heavy rain conditions. The results show that the presence of hard rock inside the slope has a very favorable effect on the stability of the slope, and the presence of hard rock significantly increases the range and depth of the potential slip surface of the slope, and plays a positive anti-slip effect .