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What Is Compressive Strength Of 1 2 4 Concrete After 28 Days

What Is Compressive Strength Of 1 2 4 Concrete After 28 Days

The cube can be tested after 3, 7, 14 and 28 days. Cube is placed in compression testing machine and axial load is applied at the rate of 140 kg cm2. In actual concrete is required sufficient time to gain strength. Usually 28 days strength is considered as the full strength of concrete.

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