What is the minimum grade of concrete to be used for any precast element? Are there any standards for the same?
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What is the minimum grade of concrete to be used for any precast element? Are there any standards for the same?
Madeh Izat Hamakareem
It depends on the structural member. For example, The American Concrete Institute (ACI 318-19) specifies minimum concrete strength for precast pile as 28MPa. The code also provides minimum strength for other structural members. You can also visit:
https://test.theconstructor.org/concrete/design-requirements-concrete/39004/