Experimental Investigation of Multihazard Resistant Bridge Piers Having Concrete-Filled Steel Tube under Blast Loading

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dc.contributor.authorFujikura, Shuichi
dc.contributor.authorBruneau, Michel
dc.contributor.authorLopez Garcia, Diego
dc.date.accessioned2024-01-10T13:48:16Z
dc.date.available2024-01-10T13:48:16Z
dc.date.issued2008
dc.description.abstractThis paper presents the development and experimental validation of a multizard bridge pier concept, i.e., a bridge pier system capable of providing an adequate level of protection against collapse under seismic and blast loading (but not acting simultaneously). A multicolumn pier-bent with concrete-filled steel tube (CFST) columns is the proposed concept, and the adequacy of this system is experimentally investigated under blast loading. This paper describes simplified blast analysis, multihazard design of bridge piers, and blast experimental program and results. Additionally, the results from the blast experiments are compared with the results from the simplified method of analysis considering an equivalent single degree of freedom system having an elastic-perfectly plastic behavior. It is found that prototype bridge CFST columns can be designed to provide both satisfactory seismic performance and adequate blast resistance. It is also shown that the CFST columns exhibited a ductile behavior under blast load in a series of tests at 1/4 scale. Maximum deformation of the columns could be calculated using simplified analysis considering a factor to account for the reduction of pressures on the circular column and determined from this experimental program.
dc.description.funderFederal Highway Administration
dc.fechaingreso.objetodigital2024-04-25
dc.format.extent9 páginas
dc.fuente.origenWOS
dc.identifier.doi10.1061/(ASCE)1084-0702(2008)13:6(586)
dc.identifier.eissn1943-5592
dc.identifier.issn1084-0702
dc.identifier.urihttps://doi.org/10.1061/(ASCE)1084-0702(2008)13:6(586)
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/79350
dc.identifier.wosidWOS:000260120700004
dc.information.autorucIngeniería;López-García D;S/I;1004185
dc.issue.numero6
dc.language.isoen
dc.nota.accesocontenido parcial
dc.pagina.final594
dc.pagina.inicio586
dc.publisherASCE-AMER SOC CIVIL ENGINEERS
dc.revistaJOURNAL OF BRIDGE ENGINEERING
dc.rightsacceso restringido
dc.subjectBlasting
dc.subjectBlast loads
dc.subjectBridges, piers
dc.subjectColumns
dc.subjectSteel
dc.subject.ods11 Sustainable Cities and Communities
dc.subject.odspa11 Ciudades y comunidades sostenibles
dc.titleExperimental Investigation of Multihazard Resistant Bridge Piers Having Concrete-Filled Steel Tube under Blast Loading
dc.typeartículo
dc.volumen13
sipa.codpersvinculados1004185
sipa.indexWOS
sipa.indexScopus
sipa.trazabilidadCarga SIPA;09-01-2024
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