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Analysis of Slope Stability and Disaster Law under Heavy Rainfall
Geofluids ( IF 1.2 ) Pub Date : 2021-02-23 , DOI: 10.1155/2021/5520686
Pengfei Guo 1 , Yadi Yuan 1 , Yanyan Peng 1 , Haijiag Zhang 1 , Yongxu Zhao 1
Affiliation  

Based on this, the slope stability and disaster law under the condition of heavy rainfall are studied. With the slope of Shangge Village as the background, the slope stability under the condition of heavy rainfall is deeply studied through theoretical analysis, laboratory physical model experiment, and numerical simulation. Results showed that due to the heavy rainfall within 2 h, the deformation of the slope is not obvious in the rain 2 h~7 h period, first of all in the position of slope toe of slope stress raiser; As the rainfall continued, the infiltration of rainwater led to weakening of the rock mass strength, and the cracks in the slope fracture zone further expanded and extended to the top of the slope. After 7 hours of rainfall, the slope formed a sliding surface. The physical model experiment and the numerical simulation results are in good agreement, which can provide the basis for slope reinforcement under heavy rainfall conditions and have important scientific significance and social value for the reasonable site selection of housing construction, transportation network, and disaster prevention and mitigation in coastal areas.

中文翻译:

暴雨条件下边坡稳定性与灾害规律分析

在此基础上,研究了强降雨条件下的边坡稳定性和灾害规律。通过理论分析,实验室物理模型试验和数值模拟,以上阁村边坡为背景,对强降雨条件下的边坡稳定性进行了深入研究。结果表明,由于2 h内强降雨,在2 h〜7 h降雨期间,边坡变形不明显,首先是在边坡应力提升器的坡脚位置。随着降雨的继续,雨水的渗透导致岩体强度减弱,边坡断裂带的裂缝进一步扩大并延伸到边坡的顶部。降雨7小时后,斜坡形成了一个滑动表面。
更新日期:2021-02-23
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