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Which is the best method for curing flat surfaces?

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in Basic Civil Engineering by (111k points)
Which is the best method for curing flat surfaces?

(a) Spraying water

(b) Placing wet gunny bags

(c) Applying curing compounds

(d) Stagnating water

This question was addressed to me in an interview.

This key question is from Manufacture of Concrete topic in division Building Construction of Basic Civil Engineering

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Best answer
Correct option is (d) Stagnating water

Easy explanation: Curing is the process of maintaining moisture in freshly laid concrete to strengthen it.  For flat surfaces like floors and slabs, ponding or stagnating water is the best method. Temporary bund can be made with mortar and filled with water to cure.

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