Strength of concrete is ___________(a) \(f_{ck} = K(\frac{c}{C+W+A})^2\)(b) \(f_{ck} = K(\frac{C+A}{C+W+A})^2\)(c) \(f_{ck} = K(\frac{C+W}{C+W+A})^2\)(d) \(f_{ck} = K(\frac{C+W+A}{C+W+A})^2\)The question was posed to me in an online quiz.I want to ask this question from Strength and Durability Relationship in portion Durability of Concrete of Concrete Technology

Strength of concrete is ___________(a) \(f_{ck} = K(\frac{c}{C+W+A})^2

1.	Strength of concrete is ___________(a) \(f_{ck} = K(\frac{c}{C+W+A})^2\)(b) \(f_{ck} = K(\frac{C+A}{C+W+A})^2\)(c) \(f_{ck} = K(\frac{C+W}{C+W+A})^2\)(d) \(f_{ck} = K(\frac{C+W+A}{C+W+A})^2\)The question was posed to me in an online quiz.I want to ask this question from Strength and Durability Relationship in portion Durability of Concrete of Concrete Technology
Answer» The CORRECT ANSWER is (a) \(f_{ck} = K(\frac{C}{C+W+A})^2\) To explain: It is the formula to find the Strength of concrete when we have the VOLUME of CEMENT, aggregates and water.

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