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Performance of Shallow Foundations Resting on Coir Geotextile Reinforced Sand Bed

  • TECHNOLOGY AND WORK PRODUCTION
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Soil Mechanics and Foundation Engineering Aims and scope

Soil reinforcement by natural fibers is a cost-effective and reliable technique for improving the stiffness and stability of soil. Coir is an eco-friendly, biodegradable organic material that has high tearing strength, stiffness, and durability compared to other natural reinforcement materials. In this study, the potential of coir geotextile as a reinforcement material was studied through a set of laboratory experiments. Remarkable improvement in strength and settlement properties were obtained with the provision of geotextiles. Bearing capacity improvement by a factor of 5 and a reduction of footing settlement by 87% was obtained by the suggested method. The optimum benefit was realized with the provision of three layers of reinforcement for a width of 3B (B is the foundation width), the topmost geotextile layer being positioned at a distance of 0.25B from the base of footing. Bearing capacity enhancement by a factor of 2.57 and settlement reduction of 73% was obtained even with the provision of a single layer of coir geotextile.

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Authors and Affiliations

  1. National Institute of Technology Calicut, Kerala, India

    Dharmesh Lal, N. Sankar & S. Chandrakaran

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  1. Dharmesh Lal
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  2. N. Sankar
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  3. S. Chandrakaran
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Additional information

Translated from Osnovaniya, Fundamenty i Mekhanika Gruntov, No. 1, p. 34, January-February, 2017.

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Lal, D., Sankar, N. & Chandrakaran, S. Performance of Shallow Foundations Resting on Coir Geotextile Reinforced Sand Bed. Soil Mech Found Eng 54, 60–64 (2017). https://doi.org/10.1007/s11204-017-9434-8

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  • DOI: https://doi.org/10.1007/s11204-017-9434-8

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