1.

Compression test on 4 samples of 150 mm cubes of concrete gave following results:25 MPa, 28 MPa, 32 MPa, 31 MPaThe characteristic strength of concrete (in MPa, rounded off to two decimal places) is _____.23.6

Answer» Compression test on 4 samples of 150 mm cubes of concrete gave following results:

25 MPa, 28 MPa, 32 MPa, 31 MPa

The characteristic strength of concrete (in MPa, rounded off to two decimal places) is _____.
  1. 23.6


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