@ ŒfÚŽGŽi˜ajF “ú–{’nkHŠwƒVƒ“ƒ|ƒWƒEƒ€u‰‰W VolF 5Šª ”NF 1978”N •ÅF 825-832•Å ’˜ŽÒi˜ajF - ƒ^ƒCƒgƒ‹i˜ajF - ´˜^i˜ajF
- ƒL[ƒ[ƒhi˜ajF - ŒfÚŽGŽi‰pjF PROCEEDINGS OF JAPAN EARTHQUAKE ENGINEERING SYMPOSIUM ’˜ŽÒi‰pjF Teizo FUJIWARA ƒ^ƒCƒgƒ‹i‰pjF AN APPROACH TO THE ASEISMIC DESIGN OF THE STRUCTURAL MEMBERS ´˜^i‰pjF
A method of nonlinear earthquake response analysis of plane or space frame structures with local restoring force characteristics in the elastoplastic joints is briefly mentioned. By using this method, plane frame structures with or without braces due to random input or severe shocks and the space frame structures due to multi-components of excitations are analyzed. Some of the results obtained are as follows: The accumulation of the plastic axial deformation of column members leads to whole collapse of the structure and the design of the structure with weak girders is recommended. The aseismic elements reduce the ductility ratio responses of main frame members. Two components of horizontal excitations decrease the safety of column members but vertical component of the motion does not usually increase the local responses. Finally, one of the aseismic design methods of structural members is presented by considering the above-mentioned local responses mainly on the optimum distribution of the dynamic characteristics of structural elements. ƒL[ƒ[ƒhi‰pjF - ‹LŽ–‹æ•ªF - ‹æ•ª @@@ˆÏˆõ‰ï˜_•¶W