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以兰州市报恩寺东侧滑坡为研究对象,在调查分析研究区地质环境条件的基础上,详细研究滑坡特征,分析滑坡的成因,通过定性分析与定量计算相结合的方法综合分析评价了报恩寺滑坡在不同状态下的稳定性.结果表明凤凰山老滑坡在自然状态下较为稳定,发生灾害的可能性较小,报恩寺东侧滑坡具有多级多次滑动的特征,属后缘高陡,前缘开阔地形,在自然状态下很有可能再次发生灾害.分析结果为报恩寺滑坡灾害的治理工程设计提供了科学合理的设计参数和地质依据.
Taking Landslide in the east of Lanzhou City as the research object, based on the investigation and analysis of the geological and environmental conditions in the study area, the characteristics of the landslide are analyzed in detail and the causes of the landslide are analyzed. Through the comprehensive analysis of the qualitative analysis and the quantitative calculation, The results show that the old landslide in Fenghuangshan Mountain is relatively stable under natural conditions and less likely to be disastrous. The landslides on the eastern side of the Bo’en Temple have the characteristics of multi-stage slippage and are characterized by high and steep trailing edges, It is very likely that natural disasters will happen again when the front edge is open, and the results provide a scientific and reasonable design parameter and geological basis for the engineering design of landslide hazard control in Bao’en Temple.