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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Ceramics – Types of Ceramics


Ceramics are the inorganic compound formed by the combination of metals and non-metals. Silicates, metallic oxides, carbides, hydrides, sulfides, etc are the major constituent of the ceramics. Earlier the term ceramics was applied to products made from natural earth that have been exposed to a higher temperature. Today, …

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Construction Materials


Civil Engineering is related to construction only. For construction work, we need to select the best and durable construction materials. For that, we need to know the physical, mechanical, chemical and thermal properties of the materials. We also need to know the physical and chemical composition of the …

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