000009686 001__ 9686
000009686 005__ 20141205153144.0
000009686 04107 $$aeng
000009686 046__ $$k2008-10-12
000009686 100__ $$aChen, Chui-Hsin
000009686 24500 $$aSeismic Performance Assessment of Concentrically Braced Steel Frame Buildings

000009686 24630 $$n14.$$pProceedings of the 14th World Conference on Earthquake Engineering
000009686 260__ $$b
000009686 506__ $$arestricted
000009686 520__ $$2eng$$aThree-story tall, model building systems are analyzed using OpenSEES to improve understanding of the behavior of conventionally braced and buckling restrained braced frames, and to identify improved performance-based design and analysis procedures. The analyses demonstrate that statistically, the three-story model building designed following 1997 NEHRP and that following ASCE 7-05 have similar performance in terms of the damage concentration. If the R value is reduced from 6 to 3, the demands on the braces and framing components are reduced as well as the tendency to form a soft story. However, stronger structure results in higher floor level accelerations, possibly creating greater falling hazards or increasing the costs of protecting nonstructural components and hazards. For the three-story BRBF model the tendency to form a soft story is less than SCBF. Nonetheless, the BRBF model has the largest residual drifts. A preliminary examination of floor level accelerations shows that the peak accelerations appear to be limited by the strength of the structure. The testing protocols are evaluated based on the analytical results, but further experiments are needed to verify the results. Based on the parametric study, four large-scale two-story braced frames with different brace types and different bracing configurations are designed to be tested in the University of California at Berkeley. Test results will be used to refine the analytical models and validate the seismic performance of SCBF and BRBF.

000009686 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000009686 653__ $$aBraced Frame Performance-based design, Special Concentrically Braced Frame, Buckling Restrained

000009686 7112_ $$a14th World Conference on Earthquake Engineering$$cBejing (CN)$$d2008-10-12 / 2008-10-17$$gWCEE15
000009686 720__ $$aChen, Chui-Hsin$$iLai, Jiun-Wei$$iMahin, Stephen
000009686 8560_ $$ffischerc@itam.cas.cz
000009686 8564_ $$s2519812$$uhttps://invenio.itam.cas.cz/record/9686/files/05-05-0158.pdf$$yOriginal version of the author's contribution as presented on CD, Paper ID: 05-05-0158.
000009686 962__ $$r9324
000009686 980__ $$aPAPER