›› 2014, Vol. 35 ›› Issue (S2): 422-428.

• Geotechnical Engineering • Previous Articles     Next Articles

Evaluation of landslide susceptibility degree based on catastrophe theory

SONG Sheng-yuan1, WANG Qing1, PAN Yu-zhen2, CHEN Jian-ping1, XIANG Liang-jun1   

  1. 1. College of Construction Engineering, Jilin University, Changchun 130026, China; 2. Three Gorges Survey and Research Institute Co., Ltd.., Wuhan 430010, China
  • Received:2014-02-28 Online:2014-10-31 Published:2014-11-12

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Abstract: Evaluation and prediction of landslide susceptibility degree are the primary task of landslide disaster prevention. Therefore, evaluation of landslide susceptibility degree is very important in a scientific and reasonable method. According to the special geological conditions of the dam site of Yansangshu hydropower station, the nine influencing factors are selected, including weathering degree, slope and so on. And then landslide susceptibility classification standards are established; the landslide susceptibility rank is divided into mild, moderate, severe and extremely severe. Catastrophe theory is used to evaluate the landslide susceptibility degree; and a new comprehensive evaluation model of landslide susceptibility is proposed. Landslide susceptibility degree evaluation method based on catastrophe theory considers the correlation between every evaluation index; in which the internal mechanism of landslide system is described truly. The results of cases studies show that this proposed method has higher accuracy and good application to landslide prevention.

Key words: landslide, susceptibility degree, catastrophe theory

CLC Number: 

  • TU 473
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