Retarders are used for:(a) Construction of high rise building(b) Repair works(c) Cold weather conditions(d) Grouting deep oil wellsI had been asked this question in an interview.The query is from Composition of Concrete topic in section Building Construction of Basic Civil Engineering

Retarders are used for:(a) Construction of high rise building(b) Repai

1.	Retarders are used for:(a) Construction of high rise building(b) Repair works(c) Cold weather conditions(d) Grouting deep oil wellsI had been asked this question in an interview.The query is from Composition of Concrete topic in section Building Construction of Basic Civil Engineering
Answer» The correct choice is (d) GROUTING DEEP oil wells Explanation: Retarders are USED to slow down the initial rate of hydration and extend the initial setting time. It is therefore used to GROUT deep oil wells, transport RMC (Ready Made Concrete) and avoid cold joints. Accelerator is used for first 3 options.

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Retarders are used for:(a) Construction of high rise building(b) Repair works(c) Cold weather conditions(d) Grouting deep oil wellsI had been asked this question in an interview.The query is from Composition of Concrete topic in section Building Construction of Basic Civil Engineering

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