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Study on anisotropic creep behavior of nonwoven geotextiles

Study on anisotropic creep behavior of nonwoven geotextiles The anisotropy in creep behavior of two types of nonwoven fabrics (needle-punched and thermobonded spun laid) has been studied. It has been observed that the amount of time dependent extension depends on the direction, amount of loading and the structure of nonwoven the fabrics. The time dependent extension (creep) for the nonwoven fabric increases with the increase in amount of load. The higher initial extension and creep are observed for needle-punched nonwoven fabric as compared to thermobonded spun-laid nonwoven fabric. The creep behavior of needle-punched nonwoven shows a logarithmic relationship with time, but the thermobonded spun-laid nonwoven fabric does not show such logarithmic relationship. For a particular fabric, the creep is dependent on the fiber arrangement and is minimum in the direction in which the proportion of fiber is maximum and visa versa. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Fibers and Polymers Springer Journals

Study on anisotropic creep behavior of nonwoven geotextiles

Fibers and Polymers , Volume 6 (4): 5 – Dec 1, 2005

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References (9)

Publisher
Springer Journals
Copyright
Copyright © The Korean Fiber Society 2005
ISSN
1229-9197
eISSN
1875-0052
DOI
10.1007/bf02875667
Publisher site
See Article on Publisher Site

Abstract

The anisotropy in creep behavior of two types of nonwoven fabrics (needle-punched and thermobonded spun laid) has been studied. It has been observed that the amount of time dependent extension depends on the direction, amount of loading and the structure of nonwoven the fabrics. The time dependent extension (creep) for the nonwoven fabric increases with the increase in amount of load. The higher initial extension and creep are observed for needle-punched nonwoven fabric as compared to thermobonded spun-laid nonwoven fabric. The creep behavior of needle-punched nonwoven shows a logarithmic relationship with time, but the thermobonded spun-laid nonwoven fabric does not show such logarithmic relationship. For a particular fabric, the creep is dependent on the fiber arrangement and is minimum in the direction in which the proportion of fiber is maximum and visa versa.

Journal

Fibers and PolymersSpringer Journals

Published: Dec 1, 2005

Keywords: Anisotropy; Nonwoven; Creep; Geotextiles; Needle-punched; Thermobonded spun-laid

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