›› 2007, Vol. 28 ›› Issue (10): 2052-2054.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

A probabilistic criterion for nonwoven geotextiles retention application

SHE Wei1, 4, CHEN Lun2, WANG Zhao3   

  1. 1. Key Laboratory of Soft Soils and Geoenvironmental Engineering, Ministry of Education (Zhejiang University), Hangzhou 310027, China; 2. Department of Hydraulic and Hydropower Engineering, Tsinghua University, Beijing 100084, China; 3. School of Civil and Architectural Engineering, Wuhan University, Wuhan 430072, China; 4. Shenzhen Investigation & Research Institute Co., LTD, Shenzhen 518026, China
  • Received:2005-10-08 Online:2007-10-10 Published:2013-10-15

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Abstract: Retention criterion is an important part of filter criteria for geotextile, however, the prevalent design criteria is too strict for retention of soil particle and not enough for permeability criterion. Two different opening size distribution curves of geotextiles are introduced; and the probability that soil particles pass through nonwoven geotextile is calculated. Based on theoretical analysis, a probabilistic retention criterion is proposed. The new retention criterion restricts the probabilities that both coarse particle and fine particle pass through nonwoven geotextiles; and it can not only keep the stability of soil, but prevent the clogging of geotextile.

Key words: nonwoven geotextile, filtration, opening size distribution curve, probability retention criterion

CLC Number: 

  • TU 472.3+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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