For what values is it decreased

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Reference no: EM131062523

The cross section of a rectangular beam having width b and height h is shown in part

(a) of the figure. For reasons unknown to the beam designer, it is planned to add structural projections of width b/9 and height d to the top and bottom of the beam [see part (b) of the figure].

For what values of d is the bending-moment capacity of the beam increased? For what values is it decreased?

Reference no: EM131062523

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