Multiple choice

IS : 1343 – 1980 limits the minimum characteristics strength of prestressed concrete for post tensioned works and pretension work as

  1. 25 MPa, 30 MPa respectively

  2. 25 MPa, 35 MPa respectively

  3. 30 MPa, 35 MPa respectively

  4. 30 MPa, 40 MPa respectively
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

 $\text{M-30 for post-tensioned and M-40 for per-tensioned.}$

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