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-In this study, For M30 grade concrete, sand was replaced by sandstone powderfrom 5% to 30% at the interval of 5%.The factorson which control mix design and unified mixes were tested and related were workability, flexural strength,compressive strength,split tensile strength, densityand water absorption. For concrete cubes, beams and cylinders in hardened state, compressive strength, flexural strength, split tensile strength, water absorption and density tests were performed whereas workability test was done for concrete in fresh state. The effective utilization of the sandstone powder in concrete could help in reducing substantial amount of landfill problem, it could facilitate in easing off the burden of excessive mining of natural river sand from the rivers and also offer animportantresource of accompanyingfine aggregate castoff in the manufacture of cement concrete causative to the general sustainability.

A STUDY ON PARTIAL REPLACEMENT OF SAND WITH SANDSTONE POWDER AND COMPARATIVE ANALYSIS OF MECHANICAL PROPERTIES OF CONCRETE FOR M30 GRADE