Partial Replacement Of Sea And Desert Sand In Place Of
3) river sand this sand is obtained from banks or beds of rivers around the world. the river sand consists of fine rounded grains probably due to mutual attrition under the action of flowing water. the color of river sand is almost white. 4) sea sand this sand is obtained from sea shores or from off-shore dredging in deep.Aggregate: - locally available river sand as fine aggregate (4.75mm to 75 micron (0.2 to 0.003 in)) is used. manufactured sand (4.75mm to 75 micron (0.2 to 0.003 in)) is used for partial replacement to natural sand. natural and manufactured sand are from zone ii (is.