Civil Engineering - Structural Design Specifications - Discussion
Discussion Forum : Structural Design Specifications - Section 1 (Q.No. 28)
28.
The maximum compressive strength on 15 cm cubes of M 20 grade concrete at 7 days, should be a minimum of
Discussion:
13 comments Page 2 of 2.
Rithu said:
6 years ago
It's 13.5 N/mm2.
Hasni said:
6 years ago
If it is 10 then concrete will achieve 50% strength in 07 days which is wrong it should be 15.
Mansha Bomb said:
6 years ago
It should be 65% of 20N/mm2 i.e. 13N/mm2.
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