Civil Engineering - Concrete Technology - Discussion

Discussion Forum : Concrete Technology - Section 4 (Q.No. 11)

Concrete Technology

11.

Pick up the correct statement from the following:

Sand obtained from pits, is washed to remove clay and silt

Sand obtained from flooded pits, need not be washed before use

Sea shore sand contains chlorides which cause effloresance

The chloride in sea shore sand and shingle may cause corrosion of reinforcement if the concrete is porous

All the above.

Answer: Option

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