›› 2007, Vol. 28 ›› Issue (S1): 619-622.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Influence of stress paths on rockfill’s deformation characteristics

LI Jin-feng1,2, YANG Qi-gui2, XU Wei-ya1   

  1. 1. Research Insitute of Geotechnical Engineering, Hohai University, Nanjing 210098,China; 2.Changjiang Institute of Survey, Planning, Design and Research, Changjiang Water Resources Commission, Wuhan 430010, China
  • Received:2007-04-22 Online:2007-10-25 Published:2014-03-28

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Abstract: In this paper,the analog simulation on the stress-deformation characteristic of one high concrete face rockfill dam is carried out. The conclusion obtained from the finite element analysis shows that the great influence of stress paths on rockfill’s deformation characteristics is reflected by Duncan E-B model and mid-point incremental method. The rockfill’s deformation is related to load mode, and same stress level and different stress path, rockfill’s deformation is different; optimized load path is important to control rockfill’s deformation for stage filling rockfill dam.

Key words: stress path method, stress deformation, concrete slab rockfill slab, rockfill

CLC Number: 

  • TU 431
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