000022447 001__ 22447
000022447 005__ 20170622150015.0
000022447 04107 $$aeng
000022447 046__ $$k2015-05-25
000022447 100__ $$aMandal, Bharat
000022447 24500 $$aPOUNDING BETWEEN BRIDGE DECKS: COMPUTATIONAL DETAILS AND RESULTS

000022447 24630 $$n5.$$pComputational Methods in Structural Dynamics and Earhquake Engineering
000022447 260__ $$bNational Technical University of Athens, 2015
000022447 506__ $$arestricted
000022447 520__ $$2eng$$aThe observation of damage to structures, either buildings or bridges, due to earthquake induced pounding, dates back to early San Fernando (1971) and Mexico City (1985) post-earthquake reconnaissance reports. Recent ground shakings that have struck Italian territories have renewed the awareness of the necessity to clarify some aspects related to the pounding-induced forces acting on the bridge and viaduct piers. Historically pounding has been studied by either of two approaches, that are: 1) the stereo-mechanical approach, based on the physical laws of the impact phenomenon and the definition of a restitution factor, and 2) the force-based approach, based on the definition of the local force due to impact. Moreover, impact can be either soft or hard, depending on the amount of earthquake-induced energy dissipated locally through the damage of the colliding bodies. In this study, pounding response of two linear SDOF (Single Degree Of Freedom) systems has been studied through different models, namely: 1) Linear Spring, 2) Kelvin-Voigt, 3)Hertz, 4) Hertz-damp and 5) Stereo-mechanical model. Those models have been applied using both backward and forward spectrum-compatible and artificially generated ground motions. After introducing 1) the details of each of those models, 2) the main differences among them, and 3) the numerical computational strategy implemented, the main results are presented. Among these latter, being the early results of an exploratory and propaedeutic work for a Doctoral Thesis, the pounding-inducted response spectra, either in terms of peak displacement or pounding force, are developed.

000022447 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000022447 653__ $$aPounding, bridge decks, numerical modelling, response spectrum.

000022447 7112_ $$aCOMPDYN 2015 - 5th International Thematic Conference$$cCrete (GR)$$d2015-05-25 / 2015-05-27$$gCOMPDYN2015
000022447 720__ $$aMandal, Bharat$$iMonti, Giorgio$$iBianco, Vincenzo
000022447 8560_ $$ffischerc@itam.cas.cz
000022447 8564_ $$s758986$$uhttp://invenio.itam.cas.cz/record/22447/files/C866.pdf$$yOriginal version of the author's contribution as presented on CD, section: 
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000022447 962__ $$r22030
000022447 980__ $$aPAPER