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BITUMINOUS STABILIZATION OF SILTY SAND
Abstract:
Bituminous Stabilization of S1lty Sand is one method of improving the engineering properties of the Soil so that it can be used as fill. Sub-base and base materials for construction. In order to improve these properties, the following tests were carried out in the laboratory, liquid limit, moisture content, specific gravity, relationship between dry density and moisture content, C.B.R, Triaxial, Absorption, Marshall Stability flow and volume stability, using various percentages of bitumen, lime and cement. Different methods of obtaining bituminous stabilization strength were used to compare with those of other stabilization methods (Lime and Cement). The results obtained show that under soaked condition, 4% bitumen was economically suitable for fill material, while 2% cement was good for fill, Sub-base and base materials for light and medium traffic roads. The lime stabilized Soil easily disintegrated into a loose granular mass on touching. For the air cured condition, 4% bitumen was adequate for use in fill, Subbase and base material while 2% cement were equally adequate. The project will throw more light on the use of bituminous stabilization for pavement construction.
BITUMINOUS STABILIZATION OF SILTY SAND
