The actual average cylinder strength for the floor concrete was 3630 psi. Four months after the floor The specification for the floor of a maintenance building called for a 6inch slab thickness and concrete with a design compressive strength of 3000 psi.
of the river sand, it is banned by the government of India. Thus replacement of sand ... For test the of split tensile strength measured from cylinder is made of 150mm x 300 mm size for M30 concrete grade after partially replacement. After made this keep for 24 hours and curing done up to 28 days. Fine aggregates of fire brick gives