›› 2006, Vol. 27 ›› Issue (S1): 161-166.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Study of stabilization safety and limit load carrying capacity for complex foundation of high concrete gravity dam

ZHOU Wei, CHANG Xiao-lin   

  1. State Key Laboratory of Water Resources and Hydropower Engineering Science, Wuhan University, Wuhan 430072, China
  • Received:2006-04-21 Published:2006-12-15

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Abstract: A kind of layer element with thickness and anisotropic hardening-softening character is adopted to simulate mechanics and deformation characteristic of soft interlayer in dam foundation. Contact friction element with no thickness is applied to simulating the joint in rock. Three-dimensional nonlinear finite element analysis is performed for slide resistance in deep foundation. Intensity safety factor is adopted to simulate gradual destroy progress and potential destabilization pattern. A judge method for limit load carrying capacity is presented, which synthesizes plastic zone pierce method, displacement jump of typical position and energy method. Then limit load carrying capacity of dam system is gained and slide resistance is evaluated. The finite element calculation results of actual project show that the limit load carrying capacity of dam system is decided by intensity of soft interlayer. Limit intensity safety factor is 2.7.

Key words: gravity dam, deep foundation slide resistance, nonlinear finite elements, intensity safety factor method, energy method, stabilization safety factor

CLC Number: 

  • TV 64
  • 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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