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Why should we use fly ash free cement?

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Question added by Mohammed Abul Mansur , General Manager , Sanmar Properties Limited
Date Posted: 2015/06/04
ALAA AHMED
by ALAA AHMED , Geotechnical Engineer , A&A consultants

Fly ash is used to improves concrete’s workability and  pumpability for fresh concrete , and ultimate strength, and durability for hardened concrete.

It is preferably used in huge concrete masses like Dams as it reduces the heat of reaction and increase the strength as a result.

In general, it reduce the concrete permeability and so, decrease the chemical aggression.

 

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