Abstract
Risk evaluation is crucial for the construction projects in the areas with high risk of geological hazards. In this paper, based on the projects of Mengshan tourism area, geological hazard risk evaluation model is put forward based on the analysis of geological and environmental conditions as well as characteristics of construction works. Firstly, typical geological hazards of the area for evaluation are determined as collapse and landslide. And then, based on the comprehensive evaluation, 19 collapse zones and three landslide zones are determined in the area for evaluation. They are all stable at present in general, but some of them have high risk to collapse or landslide under rainstorm, weathering or other external forces in the future. At last, five regions are defined as dangerous, including three regions at level 1 and two regions at level 2. At the same time, some effective engineering measures are introduced to prevent the geological disasters according to the natural conditions and inducing factors of the hazards. Methods, procedure and the result put forward by the paper are useful and effective in risk evaluation of geological hazards, especially for the hilly and mountainous area similar as this case.
Published Version
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