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对于平面滑动型的岩质边坡,结构面对边坡的稳定性起着控制作用。在边坡设计分析过程中,如果边坡内没有确定的滑面,或者对坡体内结构面情况不明的情况下,通过对最不利滑面的极限倾角进行估算,可以作为边坡稳定性分析的依据。对传统的估算公式进行了改进,综合考虑到重力和地震的影响,分别通过极限坡高和极限安全系数给出边坡最危险滑面的极限倾角的计算公式。经过对比与分析,得出两种方法各自的适用条件。
For the flat sliding type rock slope, the structure faces the slope stability control. In the process of slope design and analysis, if there is no definite sliding surface in the slope, or if the structural plane in the slope is unknown, the ultimate inclination of the most unfavorable sliding surface can be estimated as slope stability analysis in accordance with. The traditional estimation formula is improved. Taking into account the influence of gravity and earthquake, the formulas of the ultimate inclination of the most dangerous slip surface are given respectively by the limit slope height and the limit safety factor. After comparing and analyzing, we got the applicable conditions of the two methods.