A Research on Groundnut Shell Ash's Impact on Lateritic Soils' Soil Stabilization

Abstract

This study aims to provide information on the engineering characteristics of laterite soil, which is frequently used as a building material in civil engineering projects. The significance of subsoil investigations has grown significantly in light of the recent trend of civil construction collapses. In non-industrial nations like Nigeria, minimal residual soil has long been a problem for civil infrastructure, including buildings, culverts, dams, and highways. Also, there has been a lot of global research into using lateritic soil for engineering reasons due to the rising costs of conventional stabilizing agents and the need to utilize industrial and agricultural waste in cost- effective ways for engineering applications. As implied by the research project's topic, this is accomplished through a comprehensive field inquiry and intensive laboratory testing (the effect of groundnut shell ash on lateritic soil properties). The index property test categorized the soil into the A-2-4 subgroup in accordance with the AASHTO standard. As a result, the substance is deemed unfit for use as a foundation or sub-base for paving roads. Tests on the soil's index and geotechnical characteristics after adding groundnut shell ash show significant changes in the parameters. The tests performed for this study adhered to BS 1377:1975 standards. An analysis of the data shows that GSA can be used as a binding agent in the absence of cement, even if it does not have the same binding strength as cement. 4% G.S.A. was also discovered to be the optimal content concentration. All tests and analyses are shown in chapters three and four.