K 0.2 kNm 300 mm 115° M 300cos25 mm 850 mm 300 mm 400 mm
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
Consider the rigid L-frame KDQC shown, supported by axial members CM and QT and pin support D as shown. Bars CM and QT are made out of steel with a young's modulus of 200 GPa and a coefficient of thermal expansion of 12.4 x 10^(-6)/C. Furthermore, both bars have a cross-sectional area of 1200 mm^2. If the assembly is loaded by a 0.2 kNm concentrated moment as shown and the entire system is cooled by 20C, determine the internal forces in members CM and QT, and the displacements of K,Q, and C.
Transcribed Image Text:K
0.2 kNm
300 mm
115°
M
300cos25 mm
850 mm
300 mm
400 mm
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