›› 2007, Vol. 28 ›› Issue (5): 976-980.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Study of a new drainage and prevention of permeance system of industrial residue deposit

XU Kai1, 2, CAI Yuan-qi1, ZHU Yi-wen1, XU Han3, ZHANG Qing-an4   

  1. 1. School of Civil and Architectural Engineering, Wuhan University, Wuhan 430072, China; 2. Department of Building and Construction, City University of Hong Kong, Hong Kong, China; 3.Geotechnical Division, Yangtze River Scientific Research Institute, Wuhan 430010, China; 4.China Wuhuan Chemical Engineering Corp., Wuhan 430010, China
  • Received:2006-10-27 Online:2007-05-10 Published:2013-09-10

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Abstract: From the theoretical analyses of data in several practical projects of gypsum stacks, a new disposal scheme for drainage and anti-permeance system of tailings dam is proposed. By setting a drainage layer under the gypsum stack, it differs from traditional drainage plans so that it can improve the drainage efficiency at the bottom of the stack and depress saturation line level. The new scheme not only improves the security of the gypsum stack, but also reduces its running cost. Furthermore, it has been put into practice in several tailings dam projects and has achieved outstanding effect. It not only provides an efficient theoretical foundation for the design of gypsum stack, but also gives important guidance for the anti-permeance design of other kinds of industrial residue deposit.

Key words: drainage and anti-permeance system, water saturation surface, drainage body, gypsum stack, seepage field

CLC Number: 

  • TV223.4
  • 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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