Civil Engineering MCQAE Level Civil Engineering
In the slope-deflection equation M_AB = 2EI/L(2θ_A + θ_B - 3ψ) + FEM_AB, the term ψ represents:
Structural AnalysisChord RotationMEDIUM
Choose the correct answer
A
Rotation of joint A
B
Average slope of the elastic curve
C
Chord rotation = Δ/L due to relative settlement
D
Fixed-end moment
Correct Answer
C. Chord rotation = Δ/L due to relative settlement
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ψ = Δ/L is the chord rotation of the member, where Δ is the relative transverse displacement (sway) of the far end with respect to the near end.
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