How To Store Cement At Site:
Storage of cement requires extra care to preserve its quality and fineness for use. To prevent its deterioration it is necessary to protect it from different weathering conditions such as rain, sun, moisture, wind etc.
Moisture is the biggest enemy of cement. Cement has great affinity for moisture and hence it should be stored well shielded from moisture laden current of air.
The exposed cement is attacked by air which further forms lumps. If the lumps are very hard which cannot be powdered by fingers then it can not be used in any sound construction.
Cement should be stored in dry, leakproof and moisture proof sheds with minimum number of windows and close fitting doors. The cement bags should be stacked on wooden planks placed about 150 to 200 mm above the floor. The space between stacks and exterior walls should be 450 to 600 mm.
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The maximum height of stack should not exceed 15 bags. The width of stacks should not be more than 4 bags or 3 m. Thus possibilities of lumping under pressure can be prevented.
In monsoon or in situations when it is necessary to store cement for unusually long periods, the cement stacks should be completely enclosed by 700 gauge polythene sheet or some other waterproofing membrane materials.
The stack should be arranged in such a manner that cement bags can be removed on principle of first come first serve basis. that means oldest cement should be taken out first.
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