000011834 001__ 11834
000011834 005__ 20141205155951.0
000011834 04107 $$aeng
000011834 046__ $$k2008-10-12
000011834 100__ $$aTanaka, Yuki
000011834 24500 $$aPrecast Prestressed Portal Frames with Corrugated Steel Panel Dampers

000011834 24630 $$n14.$$pProceedings of the 14th World Conference on Earthquake Engineering
000011834 260__ $$b
000011834 506__ $$arestricted
000011834 520__ $$2eng$$aThis research aims to propose economical structural system which reduces seismic damage and needs no or little repair combing precast prestressed concrete (PCaPC) structures and corrugated steel panel dampers. PCaPC structures show elastic behaviors and very little damage even after experiencing large deformation. However, the lateral displacement under earthquakes tends to be large because of their low stiffness. Corrugated steel panels improve their seismic performances with high capabilities of dissipating energy as dampers even after yielding. This system is economical by using ordinary materials and existing construction technologies. In an experimental study, seismic loading tests were conducted on four portal frames with corrugated steel panel dampers. Experimental variables were the types of frame structures (RC, bonded PCaPC, and unbonded PCaPC) and the yield strength of corrugated steel panels (100MPa, 225MPa, and 300MPa). All PCaPC frames showed much smaller residual deformations and less damage than RC frames. Energy dissipation was almost identical for two types of steel. In an analytical study, it was proved that superposition of hysteretic loops of frames and dampers agreed well with experimental results. Equivalent viscous damping ratios and residual displacements were well simulated by using simple M-θ model.

000011834 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000011834 653__ $$aCorrugated steel panel, Precast prestressed concrete structure, High energy dissipation, Residual deformation, Flag shape hysteresis loop

000011834 7112_ $$a14th World Conference on Earthquake Engineering$$cBejing (CN)$$d2008-10-12 / 2008-10-17$$gWCEE15
000011834 720__ $$aTanaka, Yuki$$iIchgioka, Yukako$$iKono, Susumu$$iOhta, Yoshihiro$$iWatanabe, Fumio
000011834 8560_ $$ffischerc@itam.cas.cz
000011834 8564_ $$s837332$$uhttps://invenio.itam.cas.cz/record/11834/files/12-01-0123.pdf$$yOriginal version of the author's contribution as presented on CD, Paper ID: 12-01-0123.
000011834 962__ $$r9324
000011834 980__ $$aPAPER