Natural Fibres: A Sustainable Material for Geotextile Applications
Indian Geotechnical Journal, ISSN: 2277-3347, Vol: 54, Issue: 3, Page: 1056-1072
2024
- 2Citations
- 36Captures
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Article Description
Geotextiles are widely being used for different soil engineering applications such as filtration, separation, drainage, reinforcement and erosion control. Synthetic geotextiles are mainly produced from the petroleum-derived polymeric materials. The environmental awareness and concern towards sustainability necessitated the application of a more sustainable alternative with natural fibre-based geosynthetics. In this paper, the physical and mechanical properties of five different natural fibres, namely abaca, coir, jute, pineapple and sisal fibres, which could be a suitable candidate for geotextile applications have been analysed and compared. Out of the five different types of the fibres analysed in the present study, the highest average diameter, density and flexural rigidity were found to be for coir and the lowest were found to be for pineapple. It was observed that all the five types of the fibres have the potential for soil reinforcement applications. The unconfined compressive strength of the unreinforced clay was increased by 2, 3.3, 4. 4.1 and 5 times, when reinforced with abaca, coir, pineapple, sisal and jute fibres, respectively. However, jute fibres have low rigidity. The present study concluded that these natural fibres can perform effectively as a raw material for geotextiles. Pineapple fibre absorbs high amount of water and hence may degrade faster comparing to other natural fibres. The fibres which contain high proportion of cellulose possess high tensile strength. For coir fibres, due to the presence of high amount of lignin the life is comparatively high. Thus, blending of the fibres in suitable proportions can complement each other and can lead to the production of better geotextile materials in various applications. Considering the durability, strength and compatibility in blending and spinning, an attempt was made in the present study to develop woven geotextiles from 50% coir:50% sisal blended yarns which are found to be superior in functional characteristics.
Bibliographic Details
Springer Science and Business Media LLC
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