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State whether the following is true or false.
Maturity methods allow in-place strength to be estimated without testing cubes.

  • A.True only at large scales
  • B.False only at small scales
  • C.True
  • D.False

Answer: C

Recording temperature against time in the actual member gives an estimate of how far hydration has gone. Calibration against cubes of the same mix is still required before the method can be relied upon. The relationship differs for every mix and must be established first.

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