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Why use of fly ash in cement

Answer Posted / divyesh s mistry(pawan group)

1) REDUCE CEMENT CONSUMPTION WHICH DECREASE THE COST OF R.C.C.
2) SELF CURED MATERIAL SO LESS CURING REQUIRED.
3) GOOD FINISH SURFACE CAN ACHIEVE.
4) COMPRESSIVE STRENGTH SHOULD BE LOWER COMPARE TO DIRECT
CEMENT USAGE INITIALLY BUT CAN ACHIEVE REQUIRED STRENGTH IN
28-DAYS.
5) REDUCES THE HEAT OF HYDRATION SO THAT THE CRACKS CANNOT
DEVELOP.

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