Connection element method for the analysis of semi-rigid frames

Abstract A general procedure for incorporating the effects of joint flexibility into standard methods for the analysis of frames is presented. The method can allow for joint flexibility associated with all six degrees of freedom normally considered when analysing three-dimensional frames, including coupling between deformations. It can also allow for the finite size and exact location of connections. Simple examples using the moment distribution technique, slope deflection equations and matrix stiffness method illustrate the application of the proposal. Additional examples to illustrate the effects of connection length on the frame moment distribution, lateral drift and column load capacities are also present.

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