?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Seismic+Behavior+of+Isolated+Structures+under+Subduction+and+Crustal+Ground+Motions%3A+A+Comparative+Study&rft.creator=Guti%C3%A9rrez-Urz%C3%BAa%2C+Fernando&rft.creator=Freddi%2C+Fabio&rft.creator=De+La+Llera%2C+JC&rft.creator=Crempien%2C+JGF&rft.creator=Gallardo%2C+JA&rft.creator=Mu%C3%B1oz%2C+JP&rft.creator=Rossetto%2C+Tiziana&rft.creator=Dede%2C+Sahin&rft.creator=Cembrano%2C+J&rft.creator=Rivera%2C+Felipe&rft.creator=Chac%C3%B3n%2C+MF&rft.description=Seismic+isolation+decouples+the+modal+characteristics+of+the+structure+from+those+of+the+ground%0D%0Amotion%2C+thus+reducing+structural+demands%2C+particularly+under+intense+earthquakes.+Seismic+isolation+is%0D%0Aparticularly+beneficial+when+used+for+strategic+facilities+such+as+hospitals%2C+as+it+often+allows+the+building+to%0D%0Aremain+operational+in+the+aftermath+of+an+earthquake-related+disaster.+Although+the+use+of+these+devices+is%0D%0Awidespread+in+earthquake-prone+regions%2C+there+are+still+open+issues+that+require+to+be+studied.+These+open%0D%0Aissues+include+the+performance+and+reliability+of+the+seismic+isolation+systems+when+subjected+to+earthquakes%0D%0Awith+characteristics+that+are+different+than+those+considered+during+the+design.+The+present+study+investigates%0D%0Athe+seismic+performance+of+a+case+study+isolated+hospital+with+a+high-damping+rubber+compound+in+Santiago%2C%0D%0AChile%2C+considering+sets+of+ground+motions+generated+by+either+megathrust+subduction+or+crustal+fault%0D%0Amechanisms.+A+3D+finite+element+model+of+a+case+study+hospital+is+developed+in+OpenSees.+Sets+crustal%0D%0Aground+motions+resulting+from+earthquake+rupture+scenarios+on+the+San+Ramon+Fault+are+generated+by+the%0D%0AUCSB+method%2C+which+involves+simulating+a+synthetic+earthquake+source+with+specified+temporal+and+spatial%0D%0Aslip+on+the+fault.+Successively%2C+sets+of+%E2%80%98equivalent%E2%80%99+recorded+subduction+ground+motions+are+selected.%0D%0AIncremental+Dynamic+Analyses+(IDAs)+are+used+to+compute+different+local+and+global+Engineering+Demand%0D%0AParameters+(EDPs)+considering+records+from+the+two+types+of+events+(subduction+vs.+crustal)%2C+both+considering%0D%0Aand+not+considering+the+vertical+component+of+the+ground+motion.+The+results+show+the+paramount+importance%0D%0Aof+considering+different+seismic+sources+to+better+understand%2Fpredict+the+seismic+response+of+isolated%0D%0Astructures.&rft.publisher=International+Association+for+Earthquake+Engineering+(IAEE)&rft.date=2024-07-05&rft.type=Proceedings+paper&rft.language=eng&rft.source=+++++In%3A++Proceedings+of+the+18th+World+Conference+on+Earthquake+Engineering+(18WCEE).++++International+Association+for+Earthquake+Engineering+(IAEE)+(2024)+++++&rft.format=text&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F10195542%2F1%2FGutierrez-Urzua%2520et%2520al%2520-%2520WCEE2024%2520-%2520Isolated%2520Hospitals%2520-%2520San%2520Ramon%2520Fault.pdf&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F10195542%2F&rft.rights=open