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For a 43 grade cement conforming to IS 8112 (2013), the maximum allowed compressive strength at 28-days is
1. 58 MPa
2. 43 MPa
3. 53 MPa
4. 33 MPa
5. 63 MPa

1 Answer

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Best answer
Correct Answer - Option 1 : 58 MPa

Explanation:

According to IS 8112 (2013) Table 3, the maximum allowed compressive strength at 28-days is 58 MPa.

Time after which strength measured Compressive strength (MPa)
72 ± 1 h, Min 23
168 ± 2 h, Min

33

672 ± 4 h, Min

672 ± 4 h, Max

43

58

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