Bar ABCD is rigid and rotates freely about B. Determine the vertical displacement of point D given the loa uniform temperature change of AT = -50 °F of member CE. Report your answer in inches to three decimal A L 100 in P₁ = 5 kips B L = 130 in L = 200 in E C L = 100 in D A = AB 1.0 in ² E = 29,000 ksi AB α = 6.5 x 10-6 1/°F AB P₂ = 10 kips

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Frames

The trusses and frames are the two most important structural members of civil engineering. Trusses are the interconnection of links and other structural members. The interconnection with other members makes the system behave as a single member that supports and transfers loads. Trusses are generally two types, plane truss, and space truss. Frames on the other hand form the skeleton of any building construction. Frames are structures formed by the connection of beams, columns, slabs, and joists. These members provide the building with the required structural support.