000022485 001__ 22485
000022485 005__ 20170622150017.0
000022485 04107 $$aeng
000022485 046__ $$k2015-05-25
000022485 100__ $$aMavronicola, Eftychia A.
000022485 24500 $$aTHE EFFECT OF MODIFIED LINEAR VISCOELASTIC IMPACT MODELS ON THE POUNDING RESPONSE OF A BASE-ISOLATED BUILDING WITH ADJACENT STRUCTURES

000022485 24630 $$n5.$$pComputational Methods in Structural Dynamics and Earhquake Engineering
000022485 260__ $$bNational Technical University of Athens, 2015
000022485 506__ $$arestricted
000022485 520__ $$2eng$$aDuring strong earthquake excitations, base-isolated buildings may collide, either with the surrounding moat wall or with adjacent buildings. This unfavorable possibility has been recently investigated through numerical simulations and parametric studies. A very important issue regarding these numerical studies is the modeling of impacts, which are typically simulated using various types of force-based impact models. This paper parametrically investigates the effects of impact modeling characteristics on the overall structural response of a base-isolated building that is subjected to seismic pounding. Specifically, the KelvinVoigt impact model and various other modifications of this linear viscoelastic impact model are considered in the performed analyses. In order to effectively and efficiently conduct this investigation, a specialized software application, which has been specifically developed to simulate buildings subjected to pounding, is employed. A smooth bilinear (Bouc-Wen) model is used for the simulation of the seismic isolation system. The influence of particular impact parameters, as well as the width of the seismic gap, on the dynamic response of the structure under strong excitations is quantified. Furthermore, the effect of using different impact models for the calculation of the impact forces on the overall seismic response during pounding is simulated and discussed, since a reasonable question arises regarding the accuracy of an impact model, which is a simplification of the actually very complicated impact phenomenon.

000022485 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000022485 653__ $$aSeismic isolation, Structural pounding, Impact models, Kelvin-Voigt model, Seismic gap.

000022485 7112_ $$aCOMPDYN 2015 - 5th International Thematic Conference$$cCrete (GR)$$d2015-05-25 / 2015-05-27$$gCOMPDYN2015
000022485 720__ $$aMavronicola, Eftychia A.$$iKomodromos, Petros$$iPolycarpou, Panayiotis C.
000022485 8560_ $$ffischerc@itam.cas.cz
000022485 8564_ $$s1245799$$uhttps://invenio.itam.cas.cz/record/22485/files/C992.pdf$$yOriginal version of the author's contribution as presented on CD, section: 
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000022485 962__ $$r22030
000022485 980__ $$aPAPER