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Simulated Annealing Algorithm of Global Search for Critical Sliding Surface of Slope and Improvements

ZHANG Hao¹, WANG Chang-ming¹，MA Wen-dong²

1.College of Construction Engineering, Jilin University, Changchun 130026, China；2.Shenzhen Branch，China Institute of Geotechnical Investigation and Surveying , Shenzhen，Guangdong 518057, China

Received:2006-03-19 Revised:1900-01-01 Online:2007-01-26 Published:2007-01-26
Contact: ZHANG Hao

Abstract

Abstract: The determination of the critical failure surface is very important in slope stability analysis. The simulation-annealing algorithm, combined with simplified Bishop’s method, is used to search for the critical surface of a slope. The algorithm is improved based on analyzing the reasons of the defects of it and is implemented by means of computer programming. Through comparing calculation with typical examples, it shows that the question of local minimization can be avoided effectively using the improved algorithm, so the method has practicability.

Key words: improved simulated annealing algorithm, slope stability, critical failure surface

CLC Number:

P642.22

ZHANG Hao, WANG Chang-ming，MA Wen-dong. Simulated Annealing Algorithm of Global Search for Critical Sliding Surface of Slope and Improvements[J].J4, 2007, 37(1): 129-0133.

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