Properties of aggregate


Aggregate is an important constituent in concrete. It occupies about three-quarters of the volume of concrete, it contributes significantly to the structural performance of concrete, especially strength, durability, and volume stability. Properties of aggregate Because of the following properties of aggregates are used in a huge amount in …

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Different aggregates test


Test for determination of aggregate abrasion value The aggregate abrasion value gives the resistance of an aggregate against wearing. The test involves taking specified quantity of standard size material along with specified number of abrasive charge in a standard cylinder and revolving it for certain specific revolutions. The …

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Bulking of sand


Bulking of sand is the increase in volume of a given weight of sand cause by the films of water pushing the sand particles apart. Free moisture forms a film around each particle. This film of moisture exerts surface tension which keeps the neighboring particles away from it. …

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