Question: The composite beam shown in the figure is simply supported and carries a total uniform load of 50 kN/m on a span length of 4.0

The composite beam shown in the figure is simply supported and carries a total uniform load of 50 kN/m on a span length of 4.0 m. The beam is built of a wood member having cross-sectional dimensions 150 mm x 250 mm and two steel plates of cross-sectional dimensions 50 mm x 150 mm.
Determine the maximum stresses Ïƒs and Ïƒw in the steel and wood, respectively, if the moduli of elasticity are Es = 209 GPa and Ew = 11 GPa. (Disregard the weight of the beam.)

50 kN/m 50 mm 250 mm IsI 50 mm 4.0 m 50 mm

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