SUSCEPTIBLE DEGREE ZONING ASSESSMENT OF GEOLOGICAL HAZARD IN YUZHONG AREA, CHONGQING

For the geological hazard in Yuzhong area, Chongqing such as deformation of slope, unstable rock collapse, slope, select 6 impact factors of geological disasters including the degree of development of geological hazard, topography, human engineering activities which damaged geological environment, geological structure, hydrogeological conditions and geotechnical properties. Use the method which combine FAHP that is based on AHP and geological disaster comprehensive evaluation index to evaluate and zone the geological disaster susceptible degree, and divide the Yuzhong area into 4 parts：high-prone areas, middle-prone areas, low-prone areas and non-prone areas. Their acreages are 1.67km2, 4.49km2, 0.83km2 and 17.12km2. The results are line with the actual situation. The results provide necessary and sufficient geological environment basis for geological disaster prevention zoing, urban planning, econonic development, ecological environmental protection and disaster prevention and mitigation in Yuzhong.