The Shape Factor is the Ratio of

Answer: A. Elastic to plastic moment capacity

The shape factor is the ratio of elastic moment (M_e) to plastic moment (M_p) capacity.

Solution

Shape Factor = Shape factor is the ratio of elastic moment (M_e) to plastic moment (M_p) capacity. 

Also, it is the ratio of elastic section modulus (Z_e) to plastic section modulus (Z_p).

                                         SF = Mp/Me

Hence, option A is correct. The shape factor is the ratio of elastic moment to plastic moment capacity.

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