Which design has the largest moment capacity

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Reference no: EM131062633

The three beams shown have approximately the same cross-sectional area. Beam 1 is a W 14 × 82 with flange plates; Beam 2 consists of a web plate with four angles; and Beam 3 is constructed of 2 C shapes with flange plates

(a) Which design has the largest moment capacity?

(b) Which has the largest shear capacity?

(d) Which is the most economical in shear? Assume allowable stress values are: σa = 18 ksi and τa= 11 ksi. The most economical beam is that having the largest capacity-to-weight ratio. Neglect fabrication costs in answering (c) and (d) above. (Note: Obtain the dimensions and properties of all rolled shapes from tables in Appendix E

Reference no: EM131062633

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