The obvious geological problems along expressway show the following aspects,such as collapse, landslide,debris flow and frozen soil.Based on field investigation and serious on existing,the article takes the landslide geological hazard along the from Xinan to Yichuan as the research object,builds the suitable s of the actual geologic environment for the predictable evaluation of single geological hazard,determines the weight of by the analytic hierarchy process,and finally make an risk evaluation on landslid...
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