Studies on the Inelastic Dynamic Analysis and Design of Multi-Story Frames.

摘要

The inelastic dynamic response of plain frames subjected to earthquake loadings is studied. A sophisticated computer program, FRIEDA,is used for the time integration of the nonlinear equations of motion. First,two models of nonlinear member behavior are compared:the single and the dual component model. Both have been used in the past in nonlinear dynamic analysis studies. Then two real buildings,designed following the ATC-2procedures,are analyzed for an artificial motion matching the design spectrum. Comparisons between results from modal analysis with inelastic response spectra and those obtained using FRIEDA are made and tentative conclusions are drawn. Finally,the use of inelastic spectra in design is further studied for some other cases.