Define the term - cracking load and proof stress, Civil Engineering

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Define the term - Cracking Load and Proof Stress

Cracking Load

The load on the structural member at the time of the initiation of first visible crack in concrete is known as cracking load for the member.

Proof Stress

It is the tensile stress in steel which produces a residual strain of 0.2 percent of the original gauge length on unloading.

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