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Volume 23 Issue 2
Apr 2012
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Journal of Earth Science  > 2012  >  23(2): 233-242.
Shaojun Li, Hui Gao, Demin Xu, Fanzhen Meng. Comprehensive Determination of Reinforcement Parameters for High Cut Slope Based on Intelligent Optimization and Numerical Analysis. Journal of Earth Science, 2012, 23(2): 233-242. doi: 10.1007/s12583-012-0250-9
Citation: Shaojun Li, Hui Gao, Demin Xu, Fanzhen Meng. Comprehensive Determination of Reinforcement Parameters for High Cut Slope Based on Intelligent Optimization and Numerical Analysis. Journal of Earth Science, 2012, 23(2): 233-242. doi: 10.1007/s12583-012-0250-9
shu

Comprehensive Determination of Reinforcement Parameters for High Cut Slope Based on Intelligent Optimization and Numerical Analysis

doi: 10.1007/s12583-012-0250-9
  • 1.

    State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, 430071, China

  • 2.

    Faculty of Engineering, China University of Geosciences, Wuhan, 430074, China

More Information
  • Corresponding author: Shaojun Li, sjli@whrsm.ac.cn
  • Received Date: 03 Dec 2011
  • Accepted Date: 29 Jan 2012
  • Publish Date: 01 Apr 2012
    Abstract
  • High cut slopes have been widely formed due to excavation activities during the period of immigrant relocation in the reservoir area of the Three Gorges, China. Effective reinforcement measures must be taken to guarantee the stability of the slopes and the safety of residents. This article presents a comprehensive method for integrating particle swarm optimization (PSO) and support vector machines (SVMs), combined with numerical analysis, to handle the determination of appropriate reinforcement parameters, which guarantee both slope stability and lower construction costs. The relationship between reinforcement parameters and slope factor of safety (FOS) and construction costs is investigated by numerical analysis and SVMs, PSO is adopted to determine the best SVM performance resulting in the lowest construction costs for a given FOS. This methodology is demonstrated by a practical reservoir high cut slope stabilised with anti-sliding piles, which is located at the Xingshan (兴山) County of Hubei (湖北) Province, China. The determination process of reinforcement parameters is discussed profoundly, and the pile spacing, length, and section dimension are obtained. The results provide a satisfactory reinforcement design, making it possible a signficant reduction in construction costs.

     

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