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VolF11Šª
”NF 2002”N
•ÅF 1589-1592•Å
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ŒfÚŽGŽi‰pjF THE EARTHQUAKE ENGINEERING SYMPOSIUM PROCEEDINGS
’˜ŽÒi‰pjF Takumi Ito, Kenichi Ohi, Yoichi Mori
ƒ^ƒCƒgƒ‹i‰pjF Pseudo- dynamic Tests on Steel Moment Resisting Frames and Non-linear Dynamic Analysis based on Simplified Plastic Failure Surface
´˜^i‰pjF To simplify the non-linear dynamic design procedure on steel moment-resisting frames to seismic actions, a new design-friendly reduced analysis is proposed. Global safety domain against plastic collapse of an elastic-plastic frame becomes a convex polyhedron, and its whole frame is approximated also by a hyper-ellipsoidal yield surface from a few reference points on the surface. Its validity is checked by comparison with the results of pseudo-dynamic tests of 2-story steel frame.
ƒL[ƒ[ƒhi‰pjF Yield Convex Polyhedron, Yield Hyper Ellipsoid, Pseudo-dynamic Test, Proportional Loading, Mode Response Analysis
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