Abstract
The present study investigates the effects of chemical treatment in characterising the physicomechanical properties of coir geotextiles. Two woven and two non woven coir geotextiles were used in this study. All four types of coir geotextiles were chemically treated with unsaturated polyester resin and bitumen emulsion. The results reveal that the tensile strength of untreated and treated woven and nonwoven coir geotextiles was higher in the warp/machine direction as compared to the weft/cross-machine direction respectively. The chemical treatment increased the tensile strength and decreased the tensile elongation of both woven and non woven coir geotextiles respectively. The chemical treatment modifies the surface morphology of both the woven and nonwoven coir geotextiles.
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