000020143 001__ 20143
000020143 005__ 20170118182356.0
000020143 04107 $$aeng
000020143 046__ $$k2017-01-09
000020143 100__ $$aWang, Jingquan
000020143 24500 $$aEffects of Artificial Pulse-Type Ground Motions on Super-Span Cable-Stayed Bridge Systems

000020143 24630 $$n16.$$pProceedings of the 16th World Conference on Earthquake Engineering
000020143 260__ $$b
000020143 506__ $$arestricted
000020143 520__ $$2eng$$aThe focus of this paper is to determine the seismic response of a super-span cable-stayed bridge subjected to near-fault ground motions. Here, a new method called “record decomposition-incorporation” (RDI) has been proposed to synthesize the artificial near-fault pulse-type ground motions by combining the high-frequency Background Record (BGR) with simple equivalent pulses. The Sutong Cable-stayed Bridge (SCB) in China, with a main span of 1088 m, is taken as an example. The results show that the high-frequency components of near-fault records have a significant effect on the response of the bridge, and the artificial ground motions can capture the important response characteristics of the near-fault records. When FD records have the same PGV with FS records, the former records result in greater deformation demands than the latter, whereas the latter may result in greater strength demands. The PGVs of near-fault records exhibit obvious correlations with the seismic responses of the tower. The fling-step records with different pulse periods generate larger deformations and increase demands on the bridge compared to the forward-directivity records.

000020143 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000020143 653__ $$anear-fault ground motion, pulse model, forward-directivity effect, fling-step effect, cable-stayed bridge

000020143 7112_ $$a16th World Conference on Earthquake Engineering$$cSantiago (CL)$$d2017-01-09 / 2017-01-13$$gWCEE16
000020143 720__ $$aWang, Jingquan$$iLi, Shuai$$iZhang, Fan
000020143 8560_ $$ffischerc@itam.cas.cz
000020143 8564_ $$s389693$$uhttps://invenio.itam.cas.cz/record/20143/files/635.pdf$$yOriginal version of the author's contribution as presented on USB, paper 635.
000020143 962__ $$r16048
000020143 980__ $$aPAPER