Question
Download Solution PDFMinimum grade of concrete to be used in reinforced concrete as per IS: 456-2000 is
This question was previously asked in
WBMSC Sub-Assistant Engineer (Civil) 05 Jun 2022 Official Paper
Answer (Detailed Solution Below)
Option 2 : M 20
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Download Solution PDFAs per IS : 456-2000
The code has recommended that minimum grade of concrete shall not be less than M20 in reinforced concrete work.
Design mix concrete is preferred to nominal mix. If design mix concrete cannot be used for any reason on the work for grades of M20 or lower, nominal mixes may be used with the permission of engineer-in-charge, which however is likely to involve a higher cement content.
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