›› 2008, Vol. 29 ›› Issue (4): 1138-1142.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Numerical simulation and slope stability analysis in Jingduicheng tailings dam to be designed to increase the dam height

LI Hong-ru, HU Zai-qiang, CHEN Cun-li，DANG Fa-ning   

  1. Institute of Geotechnical Engineering, Xi’an University of Technology, Xi’an 710048, China
  • Received:2007-04-04 Online:2008-04-10 Published:2013-07-10

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Abstract: The engineering geological drilling exploration for the Jinduicheng tailings dam area is carried out to serve the heightening design of enlarging its volume. According to the permeability, physico-mechanical parameters of the two zones, the tailing sand and the rockfill of initial dam and the distribution of saturation surface under the heightening design plan are determined by the inverse analysis based on the drilling exploration result. Combined with the heightening design plan, the applied numerical method is the finite element method; and the software is EFES-3D based on the effective stress. It can numerical simulate both the stress-strain field and safety factor of the slope under the heightening design plan, and be concluded that the dam slope up rush and the safety factor of slope reducing under the upstream heightening design plan, which is not profitable for dam stability and management. Also the measures of drain pipes in the design of enlarging the volume are proposed.

Key words: tailings dam, heightening design, stress-strain, safety factor of slope, finite element method

CLC Number: 

  • TU 432
  • 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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