What are the criteria for discarding a cube as per codal provision

[M.K.Jha]

What are the codal provision for discarding a concrete cube

 

[M.K.Jha]

What are the codal provision for discarding a concrete cube if any set of cube edge is broken or else.

 

[Harish Shanbhag]

IS 516​

Clause 2.8 Size of Test Specimens -. Test specimens cubical in shape shall be 15 X 15 X 15 Cm. If the largest nominal size of the aggregate does not exceed 2 ecm, 10 cm cubes may be used as an alternative. Cylindrical test specimens shall have a length equal to twice the diameter. They shall be 15 cm in diameter and 30 cm long. Smaller test specimens shall have a ratio of diameter of specimen to maximum size of aggregate of not less than 3 to 1, except that the diameter of the specimen shall be not less than 7·5 cm for mixtures containing aggregate more than 5 percent of which is retained on IS Sieve 480.​

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