Buying Tips for Sand

Sand

Sand is a major component of concrete and without the sand, concrete will not function as intended. Before procuring sand for construction works, following things to be carefully noticed.Sand

1)  Sand shall be hard, strong, dense, and durable, clean with uncoated grains.

2)  The maximum size of the particles shall be 4.75 mm (3/l6 in) and shall be graded down.

3)  The sand shall not contain any harmful materials such as iron, Pyrites, coal, mica, silt, clay, alkali, sea shells organic impurities, loam etc. or in case of reinforced concrete work, any materials which might attack the reinforcement or detrimental to concrete.

4)  The silt content shall be within 8%.

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