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ISSN 2063-5346
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INFLUENCE OF NATURAL AND ARTIFICIAL FIBER ON THE STRENGTH AND DUCTILITY BEHAVIOUR OF LIME TREATED SHEDI SOIL

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K.V. Manoj Krishna, Shivaprasad.H and Darshan G.C
» doi: 10.53555/ecb/2021.10.4.18

Abstract

Abstract. This paper describes the compaction , strength and ductility behaviour of shedi soil reinforced with fiber. Fiber in this study is the processed fiber from both natural and artificial material. Shedi soil reinforced with fiber shows only marginal increase in the strength of soil, inhibiting its use for ground improvement. In order to further increase the strength of the soil-fiber combination, optimum percentage of 4% of lime is added. The effect of percentage fiber on the behavior of the composite soil specimen with curing is isolated and studied. It is found that strength properties of optimum combination of shedi soil-lime specimens reinforced with fibers is appreciably better than untreated shedi soil or shedi soil alone with fiber. Lime treatment in shedi soil improves strength but it imparts brittleness in soil specimen. Shedi soil treated with 4% lime(by weight) and reinforced with fiber shows ductility behavior before and after failure. An optimum coir fiber content of 1.25%(by weight) in natural fiber group and 0.6%(by weight) in artificial fiber group in lime treated shedi soil is recommended for shedi soil for enhancing strength and ductility behaviour of matrix.

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