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The grade of concrete used for construction of prestressed concrete structures is?

The grade of concrete used for construction of prestressed concrete structures is? Correct Answer Design mix concrete

The most important consideration in the construction of prestressed concrete structures is the design, production and control of high strength concrete with desirable properties the minimum grade specified in the Indian standard code IS: 1343: 2005 for post tensioned concrete is M30 and for prestressed concrete work it is M40, the code also specifies the only Design mix concrete should be used to ensure the desired strength and durability.

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