STRENGTH STUDIES ON CONCRETE USING GRANITE POWDER AS PARTIAL REPLACEMENT OF SAND

Civil Engineering

In this study, partial replacement of sand by granite powder has been done inorder to enhance economy in construction. More once, the solution of disposal of granite powder waste from granite industry is also achieved. Further various physical properties of granite powder as Specific gravity, Finess modulus has been studied to make the study fruitfull concrete of grade M20 is used to study the strength properties of concrete with granite powder. Replacement of sand by granite powder has been done instages starting from 0% to 25% each stage possessing the variation of 5%. For testing the compression strength behaviour of a granite powder, concrete cubes specimens of size 150mm x 150mm x 150mm are cast for all the said replacement ratio after 7 and 28 days of curing, the cube specimens are tested for compression. Similarly for testing of splitting tensile test, concrete cylinders of size 100mm diameter and 200 height are cast and tested at 7 and 28 days of curing. For Flexural strength determination, beam specimens of size 500mm x 100mm x 100mm are cast and tested at 7 and 28 days of curing. From the test results, it has been found that cement concrete mix with 15% granite powder replaced by sand gives better strength in compression, tension and in flexural.

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