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Volume 38 Issue zk1
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LEI Guo-hui, WU Gang, JIANG Hong, MAO Jia-feng. Multifunctional permeability test apparatus for geotextiles under biaxial tension[J]. Chinese Journal of Geotechnical Engineering, 2016, 38(zk1): 119-124. DOI: 10.11779/CJGE2016S1022
Citation: LEI Guo-hui, WU Gang, JIANG Hong, MAO Jia-feng. Multifunctional permeability test apparatus for geotextiles under biaxial tension[J]. Chinese Journal of Geotechnical Engineering, 2016, 38(zk1): 119-124. DOI: 10.11779/CJGE2016S1022
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Multifunctional permeability test apparatus for geotextiles under biaxial tension

  • 1. Key Laboratory of Geomechanics and Embankment Engineering of the Ministry of Education, Hohai University, Nanjing 210098, China;
    2. Geotechnical Research Institute, Hohai University, Nanjing 210098, China;
    3. Ocean College, Zhejiang University, Hangzhou 310058, China;
    4. Qingdao Liye Construction Profession Co., Ltd., Qingdao 266071, China;
    5. Nanjing Soil Instrument Factory Co., Ltd., Nanjing 210014, China

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  • Received Date: November 29, 2015
  • Published Date: March 24, 2016
    Graphical Abstract
    • Abstract
  • A multifunctional permeability test apparatus is developed to investigate the permeability and filtration properties of geotextiles under tension as encountered in practice. By adopting two individual sets of stable and reliable counterweight-and-lever loading assemblies, permeability tests can be carried out for geotextiles under either uni-axial or biaxial tension with different tensile stresses. A multifunctional permeameter is designed and developed for performing constant head and falling head permeability tests on geotextiles or soil-covered geotextiles with and without vertical load. The preliminary experimental results show that the permeability of geotextiles without tension and vertical load obtained from the newly developed apparatus is generally consistent with that obtained from a permeameter conform to the national and international standards. Moreover, all functions designed for this apparatus can be accomplished. This provides a basis for future studies on the permeability and filtration properties of geotextiles under tension.
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    • References (21)
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