›› 2004, Vol. 25 ›› Issue (7): 1072-1076.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Assessment for the noncohesive piping-typed soils

LIU Zhong-yu1, MIAO Tian-de2   

  1. 1. School of Civil Engineering, Zhengzhou University, Zhengzhou 450002, China; 2. Department of Mechanics, Lanzhou University, Lanzhou 730000, China
  • Received:2003-04-28 Online:2004-07-09 Published:2014-07-18

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Abstract: The grains of noncohesive soils are classified into three groups: skeleton, movable and clogging based on their movability under seepage. If there are some movable grains in a noncohesive soil, piping is easy to take place. In consideration of the grain-size distribution and the degree of densification of soils, a new method for assessing the piping-typed soil is suggested; and its application to some piping tests illustrates its validity. The calculated results show that the degree of densification has influence on the minimum pore diameter, the fractile diameter, the content of movable grains and that of clogging ones.

Key words: noncohesive soils, piping, grain-size distribution, degree of densification

CLC Number: 

  • TU 43
  • 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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