隐伏式缓倾顺层边坡滑移弯曲破坏机制及影响因素研究

iming at the tendency of sliding and bending failure under rainfall conditions of the hidden slow-dipping slope, a calculation formula for the bending failure section length and critical slope length of the rock layer slip and bending failure was established using static analysis and energy analysis methods on the basis of the geological generalization model. The Zhuque Cave landslide was taken as an example, the rationality of the bending failure section length equation is verified, and the factors that cause slip and bending failure of such hidden forward slopes were analyzed. The results show that: the interlayer friction angle and rock layer inclination angle have the greatest influence on the bending section length, while the influences of groundwater rising length, rock layer thickness, slope length, interlayer cohesion, and comprehensive elastic modulus of the rock mass were relatively smaller. For a given hidden forward slope, the spatial relationship of groundwater in the slope body is an important external factor for the sliding and bending failure of the hidden forward slope. Additionally, the value of the bending stiffness of the rock mass of the hidden slow-dipping soft rock slope was discussed, and the elastic modulus adjustment coefficient of the rock mass was introduced, and the corresponding calculation formula was given.