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Improvement of shear strength of loose sandy soils by grouting

The soil profile in many coastal areas often consists of very loose sandy soil extending to a depth of 3 to 4 m from ground level underlain by clayey soils of medium consistency. The very low shearing resistance of the foundation bed causes local as well as punching shear failure of soil. Structures built on these soils, may also suffer from excessive settlements. This paper discusses grouting as one of the possible solutions to the foundation problems by improving the properties of loose sandy soil at shallow depths.