Abstract
Soil modification refers to the process of enhancing physical, chemical and mechanical properties of soil to maintain its stability. In this research, an attempt has been made to improve the engineering properties of locally available clayey soil by making a composite mix with waste river sand and fly ash in appropriate proportions. A series of proctor compaction tests, unconfined compressive strength (UCS) tests and falling head permeability tests were carried out. It was revealed that both strength and permeability characteristics of clayey soil improve on addition of local sand and fly ash. Thus, a suitable mix proportion of clayey soil-sand-fly ash for various geotechnical applications like construction of embankments, low cost rural roads etc. can be obtained. The main objective of this research work is to obtain an improved construction material by making the best use of available clayey soil & sand and to make the effective utilization of fly ash.
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