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Discuss why air-entrained concrete mixtures require lower water-to-cement ratio in comparison with non-air-entrained mixtures. Discuss the importance of...

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Civil Engineering

Discuss why air-entrained concrete mixtures requirelower water-to-cement ratio in comparison with non-air-entrainedmixtures.




Discuss the importance of the slump test for freshconcrete.

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4.4 Ratings (638 Votes)
1 The air intentionally introduced in the cement during its manufacture or during making concrete is known as entrained air It is different from entrapped air where the continuous channels are formed thus increasing the permeability In the case of entrained air the voids formed are discontinuous and are less    See Answer
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