Paper Title:
Reliability-Based Stability Analysis of Foundation Pit Supported by Micro-Pile Composite Soil Nailing
  Abstract

Considering the co-action of micro-pile and soil nailing, the state equation of limit equilibrium and the performance function of inner global stability of foundation pit supported by the micro-pile composite soil nailing is set up with the slope limit equilibrium theory and the circular sliding slice method. The calculating model of sliding surface for inner global stability of foundation pit is established with the geometry controlling method and the optimization searching of the most dangerous sliding surface is achieved. Then with the shear strength indexes of soil as random variables, the partial derivatives of the performance function to all random variables is deduced and the reliability index of inner global stability of foundation pit supported by micro-pile composite soil nailing is calculated with the design checking point method. Finally, the effects of coefficients of variability of the random variables on reliability index are analyzed.

  Info
Periodical
Advanced Materials Research (Volumes 243-249)
Edited by
Chaohe Chen, Yong Huang and Guangfan Li
Pages
2829-2833
DOI
10.4028/www.scientific.net/AMR.243-249.2829
Citation
Y. L. Zhao, W. G. An, "Reliability-Based Stability Analysis of Foundation Pit Supported by Micro-Pile Composite Soil Nailing", Advanced Materials Research, Vols. 243-249, pp. 2829-2833, 2011
Online since
May 2011
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Price
$32.00
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