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What is the standard value of expansion for super sulphated cement?

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What is the standard value of expansion for super sulphated cement?

(a) 10mm

(b) 5mm

(c) 1mm

(d) .5mm

The question was posed to me in a national level competition.

This interesting question is from Soundness of Aggregates topic in section Aggregates and Testing of Aggregates of Concrete Technology

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Correct option is (b) 5mm

To explain I would say: It is the standard value for super sulphated cement under IS:6909-1990.

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