EVALUATION AND ANALYSIS OF SOIL STABILIZATION WITH NANO SILICA ANDCEMENT KILN DUST

Soil reinforcement is an effective and reliable technique which is widely used in geotechnical engineering practice for slope stability and strengthening, bearing capacity of road pavement, embankment, earthquake liquefaction and solving foundation capacities problems. There are many ways to reinforce soil in geotechnical engineering. One of them is using additives such as cement. Cement has been extensively used in soil stabilization and is usually used as a major addition material to improve the mechanical properties (strength and stiffness) of soil in the past decade. However, there are some issues associated with the use of cement. The use of stabilizing technologies has significantly expanded in recent years specially when sites are frequently construction in poor land locations. This study suggests using nano-silica to improve clayey soil’s functionality. The motivation behind this research was to learn more regarding the properties of soil strengthen with Cement kiln Dust and Nano silica material. The use of these materials reduces pollution and human reliance on natural resources, resulting in a more sustainable construction approach. The consequences of Cement kiln Dust and Nano silica on soil strength prospects for clayey soil are investigated in this study. An experimental investigation was undertaken by treating clayey soil with Nano silica in four different concentration proportions of (0.3%, 0.6%,0.9%,0.12%). After that the Cement kiln dust was blended in various proportions with the soil and 0.9% NS mixed soil at the rate 5%, 10%, 15%, and 20%. The investigation of an influence of Nano silica and cement kiln dust on Atterberg limits, C.B.R., U.C.S., O.M.C., and M.D.D. was done. Adding Nano silica and cement kiln dust improved the U.C.S. and C.B.R. As per experimental results, the ideal value of C.B.R. and U.C.S. was at 0.9% Nano silica, 15% CKD and 84.1 % Soil.