Problem 7.46The beam in Problem 7.26 is subjected to a distributed load of w= 6.5 kN/m. Determine the deflection at the center of the beam. E = 200 GPa.Problem 7.26Two rolled steel angles (Ix1= 391,000 mm4, Iy1= 912,000 mm4, Ix1y1= 349,000 mm4, and A=1148 mm2are welded to a 200 mm by 10 mm steel plate to from a composite Z-bar. The Z-Bar is a simplysupported beam used as a purlin in a roof of slope 1/2. The beam has a span of 4.0 m. The Plane ofloads is vertical.Ix10 mm⋅200 mm⋅()3⋅122 391000⋅mm4⋅+2 1148⋅mm2⋅83.8 mm⋅2⋅+:=Ix2.357107×mm4=Iy200 mm⋅10 mm⋅3⋅122 912000⋅mm4⋅+2 1148
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