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Journal of Industrial Textiles
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Relationship between Process Parameters and Properties of Multifunctional Needlepunched Geotextiles

Amit Rawal

CSIR, National Fibre, Textile and Clothing Centre, Port Elizabeth 6000, South Africa, amitrawal77{at}hotmail.com,amitrawal77@yahoo.com

Rajesh Anandjiwala

CSIR, National Fibre, Textile and Clothing Centre, Port Elizabeth 6000, South Africa, Department of Textile Science, Faculty of Science Nelson Mandela Metropolitan University, Port Elizabeth, South Africa

Geotextiles are commonly produced by needlepunching technology and generally used for various civil engineering applications. Some of these applications require geotextiles to perform more than one function including separation, drainage, and filtration. In this study, the effect of process parameters, namely, feed rate, stroke frequency, and depth of needle penetration has been investigated on various properties of needlepunched geotextiles. These process parameters are then empirically related with the properties of geotextiles. Subsequently, an expert system has been developed to predict the properties of geotextiles for any desired application.

Key Words: geotextiles • fiber orientation • pore size • transmissivity • permeability • needlepunched nonwoven • multifunctional • expert system

Journal of Industrial Textiles, Vol. 35, No. 4, 271-285 (2006)
DOI: 10.1177/1528083706060782
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A. Rawal, S. Anand, and T. Shah
Optimization of Parameters for the Production of Needlepunched Nonwoven Geotextiles
Journal of Industrial Textiles, April 1, 2008; 37(4): 341 - 356.
[Abstract] [PDF]