Research on evaluation model of catastrophe progression for slope instability based on GIS and its application

Author(s): Jun-lan Zhao

The catastrophe progression method is a multiple criteria evaluation based on the catastrophe theory and fuzzy mathematics. In this paper, a new computer program on based on GIS was developed by using VB.NET, with example of the engineering project of Xiaolongtan, Yunnan Province. The evaluation of catastrophe progression of slope safety in Xiaolongtan was carried out using 17 evaluation indexes of this program. The evaluation result is more reasonable and provides the reliable basis for the evaluation of slope instability.

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