#3. The distributed load w is supported by three suspender bars as shown. AB and EF are made of aluminum and CD is made of steel. If each bar has a cross sectional area of 450 mm*2, determine the maximum distributed load w (kN/m, ) so that an allowable stress of 180 MPa in steel and 94 MPa in aluminum is not exceeded. Use Est = 200 GPa and Eal = 70 GPa. Assume ACE is rigid. 1.5 m 1.5 m 'B 'D 'F al st al 3 m

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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# 3. The distributed load w is supported by three suspender bars as shown. AB and EF are made of aluminum and CD is made of steel. If each bar has a cross sectional area of 450 mm^2, determine the
maximum distributed load w (kN/m,
) so that an allowable stress of 180 MPa in steel and 94 MPa
aluminum is not exceeded. Use Est = 200 GPa and Eal = 70 GPa. Assume ACE is rigid.
-1.5 m
1.5 m
7B
D
al
st
al
3 m
Transcribed Image Text:# 3. The distributed load w is supported by three suspender bars as shown. AB and EF are made of aluminum and CD is made of steel. If each bar has a cross sectional area of 450 mm^2, determine the maximum distributed load w (kN/m, ) so that an allowable stress of 180 MPa in steel and 94 MPa aluminum is not exceeded. Use Est = 200 GPa and Eal = 70 GPa. Assume ACE is rigid. -1.5 m 1.5 m 7B D al st al 3 m
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