›› 2004, Vol. 25 ›› Issue (12): 1873-1878.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Analysis of stability against upheaval of deep excavation by an upper limit method

ZOU Guang-dian   

  1. Nanjing Hydraulic Research Institute, Nanjing 210024, China
  • Received:2003-09-16 Online:2004-12-10 Published:2014-08-19

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Abstract: An analytical method of stability against upheaval of deep excavation by the upper limit theory of plastic mechanics is presented. The basic wreck model is founded according to Prandtl-Reissner solution of ultimate bearing capacity of foundation. In order to obtain the harmonious velocity field, the Mohr-Coulomb yield criterion is introduced, in which the flow rule is obtained. The ultimate bearing capacity of bottom of deep excavation and the safety factor of against upheaval are solved through the principle of virtual work finally. In the stability analysis against upheaval of deep excavation for the First Edifice of the Commercial Shopping Center being located in Zhang—Yang Road of Shanghai, the internal reason of upheaval wreck of the deep excavation that occurred in the edifice is successfully opened out by the method.

Key words: deep excavation, analysis of stability against upheaval, upper limit analysis, slip surface, flow rule, harmonious velocity field

CLC Number: 

  • TU 441
  • 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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