000018392 001__ 18392
000018392 005__ 20170118182220.0
000018392 04107 $$aeng
000018392 046__ $$k2017-01-09
000018392 100__ $$aTakeda, Tadahisa
000018392 24500 $$aDesign and Physical Testing of Biaxial Minimal-Disturbance Arm Damper for Seismic Rehabilitation

000018392 24630 $$n16.$$pProceedings of the 16th World Conference on Earthquake Engineering
000018392 260__ $$b
000018392 506__ $$arestricted
000018392 520__ $$2eng$$aThe hollow structural section (HSS) columns are commonly used to sustain the seismic loading from any direction in Japanese steel frames due to its uniform geometry along each principle axis of cross section. However, during the earthquake, the bottom flanges of beam ends are usually the vulnerable parts. Thus, to retrofit the all beam ends of beamcolumn connection is more practical. This paper introduces a seismic rehabilitation technique, named MDAD (Minimaldisturbance Arm Damper), which is a tension-only bracing system to improve the seismic performance of steel moment resisting frame by restraining the local deformation at the bottom flange of beam ends and utilizing the reserve capacity of frame. It not only aims at minimizing the obstruction of the visual and physical space for building users but is expected to provide a stable hysteretic behavior to the steel frames under the seismic loading. In this study, the MDAD is developed to be biaxial configuration which can accommodate the bidirectional loading. With this new configuration, the design equations were developed. Furthermore, under bidirectional loading, the MDAD will experience the in-plane and out-ofplane deformation. To verify the performance of MDAD, the quasi-static testes under both unidirectional and bidirectional loading are constructed.

000018392 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000018392 653__ $$aSteel moment-resisting frame; Seismic rehabilitation; Minimal disturbance; Bidirectional loading; Out-of-plane stability

000018392 7112_ $$a16th World Conference on Earthquake Engineering$$cSantiago (CL)$$d2017-01-09 / 2017-01-13$$gWCEE16
000018392 720__ $$aTakeda, Tadahisa$$iZhang, Lei$$iKurata, Masahiro$$iSato, Miho
000018392 8560_ $$ffischerc@itam.cas.cz
000018392 8564_ $$s461090$$uhttps://invenio.itam.cas.cz/record/18392/files/1362.pdf$$yOriginal version of the author's contribution as presented on USB, paper 1362.
000018392 962__ $$r16048
000018392 980__ $$aPAPER