›› 2006, Vol. 27 ›› Issue (11): 1935-1940.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Simulation of stage excavation for stratified rock slope by using two-dimensional elastoplastic finite element method

JIANG Xue-liang1,2, CAO Ping1, YANG Hui1   

  1. 1.School of Resources and Safety Engineering, Central South University, Changsha 410083, China) 2.School of Civil Engineering, Hunan City University, Yiyang 413000, China
  • Received:2005-01-24 Online:2006-11-10 Published:2013-12-04

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Abstract: The simulation of stage excavation of the stratified rock slope of Chang-Zhang expressway is carried out by using our own two-dimensional elastoplastic finite element program, in consideration of the influence of blasting and rock joint. The rock-mass’s deformation, stresses and yielding state in the excavation process are analyzed respectively. The integral safety of the high slope for every stage excavation is discussed by using the method of lowing material’s strength safety factor. The results show that the slope is stable in construction process.

Key words: stratified rock slope, simulation of stage excavation, elastoplastic finite element method, method of lowing material’s strength safety factor, stability analysis

CLC Number: 

  • TU 457
  • Please send e-mail to pingzhou3@126.com if you would like to read full paper in English for free. Parts of our published papers have English translations.
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