Liquefaction resistance of sand reinforced with randomly distributed polypropylene fibres-Reference-Cited by-同舟云学术

Liquefaction resistance of sand reinforced with randomly distributed polypropylene fibres

Published:2017-12 Issue:6 Volume:24 Page:625-636
ISSN:1072-6349
Container-title:Geosynthetics International
language:en
Short-container-title:Geosynthetics International

Author:

Ye B.¹²,Cheng Z. R.³,Liu C.³,Zhang Y. D.³,Lu P.⁴

Affiliation:

1. Department of Geotechnical Engineering, Tongji University, Shanghai 200092, China,(corresponding author)

2. State Key Laboratory of Geohazard Prevention and Geoenvironment Protection, Chengdu 610059, China,

3. Department of Geotechnical Engineering, Tongji University, Shanghai, 200092, China,

4. College of Surveying and Geo-informatics, Tongji University, Shanghai 200092, China,

Abstract

This paper presents an experimental study on the effect of randomly distributed fibres on enhancing the liquefaction resistance of sand. A series of undrained cyclic triaxial compression tests and hollow cylinder torsional shear tests were conducted on saturated sand samples with and without fibres. The influencing factors (including fibre length, fibre content and relative density), which are closely related to the liquefaction resistance of sand, were investigated. The test results indicated that samples reinforced with randomly distributed fibres can sustain many more loading cycles than can samples without fibres before liquefaction occurs; that is, the inclusion of fibres can effectively improve the liquefaction resistance of sand. The liquefaction resistance increased with increasing fibre length and fibre content. The reinforcement effect is found to be significant in both medium dense samples and loose samples. The results from triaxial tests and hollow cylinder shear tests were similar, indicating that the different loading conditions in the two types of tests will not influence the reinforcement effect of randomly distributed fibres.

Publisher

Thomas Telford Ltd.

Subject

Geotechnical Engineering and Engineering Geology,Civil and Structural Engineering

Link

https://www.icevirtuallibrary.com/doi/pdf/10.1680/jgein.17.00029

Reference29 articles.

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