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Geotechnical Behaviour of Soil Mixed With Fibre Extracted From Water Hyacinth

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Document pages: 10 pages

Abstract: Locally available soil is an important material found in geotechnical engineering. The clayey soil found on construction site may not have adequate properties to satisfy the required needs. Numerous problems regarding its strength, compressibility and the low bearing capacity of the soil can cause settlement when exposed to additional loads. So alternation of soil is important to enhance their geotechnical behaviour to use it as a subgrade in road construction. Modification and its effect on soil indicates the reaction mechanism with additives, effect on strength, soil moisture content and on CBR value. The main objective of this paper is to improve the engineering characteristics of clayey soil by using soil reinforcement. Natural and synthetic fibers can be used to modify the properties beneficially. By considering the deadly impact of water hyacinth on environment, it is really efficient to choose this floating weed as the reinforcing fiber for ground improvement. Various laboratory test like Unconfined compression test, Atterberg’s limit, etc., are conducted with and without reinforcement at different percentage to understand their influence on strength and stability of the soil sample. This project aims to make an attempt to incorporate the natural fiber with soil sample to overcome geotechnical problems of weak soil ,to strengthen the sub grade, minimizing the thickness of the pavement and overall economy of the road construction.

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