State whether plane frames are restrained against sidesway or not. Able to analyse plane frames restrained against sidesway by slope-deflection equations. Draw bending moment and shear force diagrams for the plane frame. Sketch the deflected shape of the plane frame.
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State whether plane frames are restrained against sidesway or not. Able to analyse plane frames restrained against sidesway by slope-deflection equations. Draw bending moment and shear force diagrams for the plane frame. Sketch the deflected shape of the plane frame. In frames axial deformations are much smaller than the bending deformations and are neglected in the analysis. With this assumption the frames shown in Fig The frames shown in Fig For example in Fig This is true also for joint.
Frames shown in Fig However the frames are symmetrical in geometry and in loading and hence these will not sidesway. In general, frames do not sidesway if D 1 They are restrained against sidesway. Hence the analysis of such rigid frames by slope deflection equation essentially follows the same steps as that of continuous beams without support settlements.
However, there is a small difference. In the case of continuous beam, at a joint only two members meet. Whereas in the case of rigid frames two or more than two members meet at a joint.
At joint in the frame shown in Fig Now consider the free body diagram of joint C as shown in fig The equilibrium equation at joint C is C?
Version 2 CE IIT, Kharagpur Notes | EduRev
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Version 2 CE IIT, Kharagpur Civil Engineering (CE) Notes | EduRev