Abstract
Talus slopes have poor stability on both sides of freeways, which usually leads to landslides and results in great damage, so the process of construction and operation is full of risks. Quantitative risk assessment (QRA) is a method of quantifying the degree of risk through a systematic examination of the factors contributing to slope stability and affecting the severity of the consequences. It has become an important tool for the management of landslide risk and for planning risk mitigation measures. In this paper, a QRA method is described in detail and the risk of a talus landslide in Shuima freeway of Yunnan Province is analysed using this method. Some risk mitigation measures are also suggested. Through the application, the merits and limitations of the method of QRA are also discussed.
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