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Question 5.19: A steel wide-flange beam (W8 × 31) is used to brace two shor...

A steel wide-flange beam (W8 × 31 ) is used to brace two shoring walls as shown. If the walls move 0.01 inch outward when the beam is subjected to a 100 ^\circ F temperature change, determine the stress in the beam.

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