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Effect of Anisotropy of Fibers on the Stress-Strain Response of Fiber-Reinforced Soil

Kanchi, Geetha Manjari and Neeraja, VS and Babu, Sivakumar GL (2015) Effect of Anisotropy of Fibers on the Stress-Strain Response of Fiber-Reinforced Soil. In: INTERNATIONAL JOURNAL OF GEOMECHANICS, 15 (1).

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Official URL: http://dx.doi.org/ 10.1061/(ASCE)GM.1943-5622.0000...


Reinforcing soil with fibers is a useful method for improving the strength and settlement response of soil. The soil and fiber characteristics and their interaction are some of the major factors affecting the strength of reinforced soil. The fibers are usually randomly distributed in the soil, and their orientation has a significant effect on the behavior of the reinforced soil. In the paper, a study of the effect of anisotropic distribution of fibers on the stress-strain response is presented. Based on the concept of the modified Cam clay model, an analytical model was formulated for the fiber-reinforced soil, and the effect of fiber orientation on the stress-strain behavior of soil was studied in detail. The results show that, as the inclination of fibers with the horizontal plane increased, the contribution of fibers in improving the strength of fiber-reinforced soil decreased. The effect of fibers is maximum when they are in the direction of extension, and vice versa. (C) 2014 American Society of Civil Engineers.

Item Type: Journal Article
Additional Information: Copy right for this article belongs to the ASCE-AMER SOC CIVIL ENGINEERS, 1801 ALEXANDER BELL DR, RESTON, VA 20191-4400 USA
Keywords: Anisotropy; Fibers; Reinforced soil; Stress-strain behavior
Department/Centre: Division of Mechanical Sciences > Civil Engineering
Date Deposited: 28 Feb 2015 07:11
Last Modified: 28 Feb 2015 07:11
URI: http://eprints.iisc.ac.in/id/eprint/50936

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