Civil MDC

A METHOD FOR THE ANALYSIS OF FRAMES SUBJECTED TO INELASTIC DEFORMATION INTO THE RANGE OF STRAIN HARDENING

1-A method for determining the resistance of frame structures composed of . elements having individual resistance characteristics of any monotonically increasing form that can be described graphically is present do The resisting moments in a structure which to a given set of displacements of the joints are made by a trial and error procedure made convenient by use of moment-end slope curves for the individual members Ii» After the resisting moments have been obtained, the corresponding set of loads required to produce the particular joint displacements are computed G 2~ By solving a set of such problems, load-joint displacement relationships can be obtained for a range of loads ‘or” conversely~ for a range of displacements~ 30 The general nature of the method is such that it is perhaps most useful in research applications~ . 40 A simplified procedure for the analysis of indeterminate frames using moment distribution wiIl bi-linear approximations to the moment … end slope relationships is presented in the appendix

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