Geotextiles used in civil engineering applications are expected to carry out one or more functions over if given design life. There are five defined functions, these are; drainage, separation, filtration, protection and reinforcement. Geotextiles are normally manufactured by either woven or non-woven techniques. The functional requirements of the geotextile in a given application will determine the performance properties required, and any assessment of the products durability will be based on the degradation of these properties over a given time.
Geotextiles particularly refers to permeable fabric or synthetic material, woven or non-woven, which can be used with geotechnical engineering material. They apply to a broad range of civil engineering construction, paving, drainage and other applications. Geotextiles are extensively used with soil, rock, earth or any other geotechnical engineering-related material.
HISTORY OF GEOTEXTILES
Prior to 1988, geotextiles were called plastic filler cloth or filter fabric. Because of the increase in the number of products being manufactured to be used as filter cloth, the specifications were revised. This material is now identified as Geotextile.
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About the Authors:
Tripti Basant is a research scholar at the Department of Clothing & Textiles, Govind Ballabh Pant University of Agriculture & Tethnology, Pantnagar
Shahnaz Jahan is the Professor and Head of Department of Clothing & Textiles at the Govind Ballabh Pant University of Agriculture & Tethnology, Pantnagar
This article was originally published in the Textile Review magazine, November, 2012, published by Saket Projects Limited, Ahmedabad.