000018266 001__ 18266
000018266 005__ 20170118182215.0
000018266 04107 $$aeng
000018266 046__ $$k2017-01-09
000018266 100__ $$aFalamarz-Sheikhabadi, Mohammad Reza
000018266 24500 $$aSignificance of Modeling, Loading and Analyzing Methodologies on the Seismic Response of Curved Bridges

000018266 24630 $$n16.$$pProceedings of the 16th World Conference on Earthquake Engineering
000018266 260__ $$b
000018266 506__ $$arestricted
000018266 520__ $$2eng$$aThis study investigates numerically various scenarios for the seismic assessment of a tall, long-span, curved, reinforcedconcrete bridge, the Mogollon Rim Viaduct, based on recent advances in bridge engineering. The bridge’s geotechnical components, i.e. seat-type abutments and pile-raft foundations, its structural components, i.e. flared piers and superstructure, and soil-structure interaction are modeled in detail. The effects of P-delta, bond slip at the pier base, and pounding for both the exterior shear keys and back walls are incorporated in the finite-element model. A bin of time histories recorded during four large-magnitude earthquakes in the U.S. West Coast are selected for the seismic loading of the bridge, and conditionally simulated spatially variable strong ground motion records are generated for its non-uniform excitation. The conventional tools for nonlinear static and dynamic analyses of bridges, i.e. static pushover, incremental dynamic and response history analyses, are utilized, and their influence on the evaluation of the bridge response is examined. The effect of the multi-component, multi-support and multi-directional ground motion excitations on the bridge response is highlighted. The numerical results provide a deeper insight into the nonlinear behavior of curved reinforced-concrete bridges, and suggest practice-oriented approaches for their seismic assessment.

000018266 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000018266 653__ $$aCurved bridge; Soil-structure interaction; Spatially varying and uniform excitation; Static pushover analysis; Response history analysis.

000018266 7112_ $$a16th World Conference on Earthquake Engineering$$cSantiago (CL)$$d2017-01-09 / 2017-01-13$$gWCEE16
000018266 720__ $$aFalamarz-Sheikhabadi, Mohammad Reza$$iZerva, Aspasia
000018266 8560_ $$ffischerc@itam.cas.cz
000018266 8564_ $$s391856$$uhttps://invenio.itam.cas.cz/record/18266/files/1129.pdf$$yOriginal version of the author's contribution as presented on USB, paper 1129.
000018266 962__ $$r16048
000018266 980__ $$aPAPER