Scrap tire-derived geomaterials in retaining wall applications
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Date
2017
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Abstract
Earth retaining structures such as retaining walls, bridge abutments, bulkheads, braced excavations and mechanically stabilized walls are often subjected to different loading conditions. Among various parameters that need to be considered in the design of retaining structures, lateral earth pressures and horizontal displacements resulting from the supported backfill are the most predominant. These are the influencing parameters on the performance of the structure under variety of loading conditions. The development and implementation of methods, for the reduction of earth pressures and wall displacements, reduce the structural capacity requirements and lead to the overall construction economy. With the efforts of reducing the lateral earth pressures and wall displacements of the earth retaining structures, light weight/compressible novel materials came into practice that are effectively serve the purpose. These materials include expanded polystyrene (EPS) geofoam, waste plastic, fly-ash, pure shredded tire, and sand – tire chip mixtures, etc. Other hand, scrap tires are undesired urban waste and are increasing every year. Scrap tire stockpiles can pose health hazard and fire hazard, thus alternative approaches to utilize large amounts of scrap tires has received attention of engineering community. Reuse of scrap tires prevents wastes that require disposal in landfills and also preserve the natural resources towards attaining sustainability. Use of scrap tire-derived materials as alternative materials in civil engineering applications, especially in geotechnical applications, has been practiced in several occasions.
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Supervisor: A. Murali Krishna
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CIVIL ENGINEERING