As per IS 1343 – 1980, the minimum 28 days compressive strength for pre-tensioned member is:

As per IS 1343 – 1980, the minimum 28 days compressive strength for

1.	As per IS 1343 – 1980, the minimum 28 days compressive strength for pre-tensioned member is:
A.	50 N/mm2
B.	30 N/mm2
C.	25 N/mm2
D.	40 N/mm2
Answer» E.

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As per IS 1343 – 1980, the minimum 28 days compressive strength for pre-tensioned member is:

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