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《Journal of Disaster Prevention and Mitigation Engineering》 2007-04
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A Semi-quantitative Evaluation of the Stability of a Slope

PENG Guang-yao1,2,LI Xiao-zhao1,ZHAO Xiao-bao1 (1.Department of Earth Sciences,Nanjing University,Nanjing 210093,China;2.Eastern China Geological & Mining Organization for Non-ferrous Metals,Nanjing 210007,China)  
In this paper,a half quantitative evaluation method is presented for evaluating the stability of a slope in Nanjing City.Firstly,the stability tendency of the slope is analyzed according to its geological background and the influential factors of the stability are indicated.Then,the correlation between influential factors and the occurrence of the slips is studied based on the data of past slips of Nanjing City.After working out the weighting value,each influential factor is assigned value by grade based on the analysis of correlation.Finally,the evaluation model is given and the stability coefficient during different rainfall ranges is obtained.
【CateGory Index】: TU43
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