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What Size Agragate Used In Concrete

On the other hand in smaller size aggregates the surface area is increased which increases wc ratio and lower strength is achieved In general for strength upto 200 kgcm 2 aggregates upto 40 mm may be used and for strength above 300 kgcm 2 aggregate upto 20 mm may be used CONDITIONS THAT DECIDE MAXIMUM SIZE OF COARSE AGGREGATE TO BE USED IN CONCRETE

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