Why use of fly ash in cement

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Why use of fly ash in cement..

1.cost saving
2. additiaon of fine prticle in concrete ,
3. to reduse heat of hydration
4. prolongation of setting time of concrete

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Why use of fly ash in cement..

Answer / 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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12 Yes

0 No

Why use of fly ash in cement..

Answer / sumit

The target strenth is reached in minimum coast

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4 Yes

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Why use of fly ash in cement..

Answer / husen

main reson is reduce the cost of r.c.c and its use is
limte up to 20% by weight of the cemnt.

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3 Yes

1 No

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