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Permissible Limit Of Reactivity Minerals Aggregate

Find out the difference in the length of the specimen to the nearest 0.001 per cent and record the expansion of the specimen.The aggregate under test is considered harmful if it expands more than 0.05 per cent after 3 months or more than 0.1 per cent after six months.The potential reactivity of aggregate can also be found out by chemical method.

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