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Q: As per IS 456-2000, the maximum cement content in RCC shall be A. 400 Kg/Cum B. 450 Kg/Cum C. 500 Kg/Cum D. 600 Kg/Cum
  • A. A
  • B. B
  • C. C
  • D. D
Correct Answer: Option B - As per IS : 456-2000, Maximum Cement Content - It is recommended in IS : 456-2000 that the cement content not including fly ash and ground granulated blast furnance slag in excess of 450 kg/m3 should not be used unless special consideration has been given in design to the increased risk of cracking due to drying shrinkage in thin section, or to early thermal cracking and to increased risk of damge due to alkali silica reactions.
B. As per IS : 456-2000, Maximum Cement Content - It is recommended in IS : 456-2000 that the cement content not including fly ash and ground granulated blast furnance slag in excess of 450 kg/m3 should not be used unless special consideration has been given in design to the increased risk of cracking due to drying shrinkage in thin section, or to early thermal cracking and to increased risk of damge due to alkali silica reactions.

Explanations:

As per IS : 456-2000, Maximum Cement Content - It is recommended in IS : 456-2000 that the cement content not including fly ash and ground granulated blast furnance slag in excess of 450 kg/m3 should not be used unless special consideration has been given in design to the increased risk of cracking due to drying shrinkage in thin section, or to early thermal cracking and to increased risk of damge due to alkali silica reactions.