Civil Engineering Surveying · Concrete Technology
According to IS 456:2000, in the design mix concrete for an RCC structure, what will be the target mean strength of concrete if the characteristic strength is 35 MPa and the standard deviation is 6 N/mm2?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 125.0 MPa
- 235.77 MPa
- 335.0 MPa
- 444.9 MPa✓
Correct answer
44.9 MPa
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