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Title: Theoretical model on mass of soil particles passing through two-layered
Authors: Liu, Li Fang
Keywords: College of Textiles;Donghua University;Shanghai 201620;China
Issue Date: Jun-2007
Publisher: CSIR
IPC Code: Int. Cl.⁸ D04H
Abstract: A two-layered nonwoven geotextile, associated with one layer of fine fibres having a thickness selected to provide optimal filtration characteristics and another layer of coarse fibres to provide the required mechanical properties, has been developed to study its theoretical filtration performance. Based on the theoretical filtration of single layer nonwoven geotextile, a mathematical model on mass of soil passing through two-layered nonwoven geotextile is established. The model is validated by slurry test using a self-designed apparatus. The experimental results obtained for five different specimens are compared with the theoretical solution, and it is found that the present model predicts to an accuracy of about 93.2﹪ for needle-punched two-layered nonwoven geotextiles.
Page(s): 207-213
ISSN: 0971-0426
Appears in Collections:IJFTR Vol.32(2) [June 2007]

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