Problem_07_46

Problem_07_46 - Problem 7.46 The beam in Problem 7.26 is...

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Problem 7.46 The 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 7.26 Two rolled steel angles (I x1 = 391,000 mm 4 , I y1 = 912,000 mm 4 , I x1y1 = 349,000 mm 4 , and A=1148 mm 2 are welded to a 200 mm by 10 mm steel plate to from a composite Z-bar. The Z-Bar is a simply supported beam used as a purlin in a roof of slope 1/2. The beam has a span of 4.0 m. The Plane of loads is vertical. Ix 10 mm 200 mm () 3 12 2 391000 mm 4 + 2 1148 mm 2 83.8 mm 2 + := Ix 2.357 10 7 × mm 4 = Iy 200 mm 10 mm 3 12 2 912000 mm 4 + 2 1148
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