Improvement of Bearing Capacity of Sandy Soil by using Grouting

Abstract

The constructional activities in the coastal areas require deep foundations because of the poor engineering properties of weak soil at shallow depths. The very low bearing capacity of the foundation bed causes shear failure. Further, the high water table and limited depth of the top sandy layer in these areas restrict the depth of foundation thereby further reducing the safe bearing capacity. Grouting, which has several applications in the field of civil engineering, was once considered as a mysterious operation. Permeation grouting is a process of filling the pores in the soil with the cement slurry and improves the engineering properties of the possible solutions to the foundation problems by improving the properties of soil at shallow depths by using sodium silicate.