Seismic reliability evaluation of structural systems for different soil conditions

IF 0.5 Q4 ENGINEERING, GEOLOGICAL
Francisco Javier Villegas Mercado, Hamoon Azizsoltani, J. R. Gaxiola-Camacho, A. Haldar
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引用次数: 12

Abstract

Thisarticledescribeshowtheseismicdesignofastructureconsideringsoilconditionsisavery difficult andcomplicatedprocess. Inorder tominimizeeconomiccost followinganearthquake, the performance-based seismic design (PBSD) concept is proposed. This lets engineers design structuresbyconsideringapredefinedamountofdamagethestakeholdersarewillingtoacceptand thecorrespondingeconomicconsequences.Threeperformancelevels;ImmediateOccupancy(IO), LifeSafety(LS),andCollapsePrevention(CP)arebeingconsideredatpresent.Themajorchallenge inimplementingPBSDistheestimationoftheunderlyingrisk.Tofillthisknowledgegap,anovel reliabilityapproachisproposedbyintegratingfirst-orderreliabilitymethod,responsesurfacemethod, andadvancedfactorialconcepts.PBSDisshowcasedwiththehelpofastructuredesignedbyexperts satisfyingrecentdesignrequirements.TheresultsindicatethatPBSDguidelinesaremoredesirable thantheoldercriteria,structuresshouldbedesignedconsideringmultipleearthquaketimehistories, andsoilconditionisanimportantdesignfactor. KEywoRDS Design Time Domain Earthquake Ground Motions, Geotechnical Site Classifications, Performance-Based Seismic Design, Site-Specific Seismic Risk Analysis, Structural Reliability
不同土壤条件下结构体系抗震可靠度评价
Thisarticledescribeshowtheseismicdesignofastructureconsideringsoilconditionsisavery difficult > andcomplicatedprocess。Inorder tominimizeeconomiccost followinganearthquake,提出了基于性能的地震设计(PBSD)概念。这让工程师设计structuresbyconsideringapredefinedamountofdamagethestakeholdersarewillingtoacceptand thecorrespondingeconomicconsequences.Threeperformancelevels;ImmediateOccupancy(IO), LifeSafety(LS),andCollapsePrevention(CP)arebeingconsideredatpresent。Themajorchallenge inimplementingPBSDistheestimationoftheunderlyingrisk。Tofillthisknowledgegap,anovel reliabilityapproachisproposedbyintegratingfirst-orderreliabilitymethod,responsesurfacemethod, andadvancedfactorialconcepts。PBSDisshowcasedwiththehelpofastructuredesignedbyexperts satisfyingrecentdesignrequirements。TheresultsindicatethatPBSDguidelinesaremoredesirable thantheoldercriteria,structuresshouldbedesignedconsideringmultipleearthquaketimehistories, andsoilconditionisanimportantdesignfactor。关键词:设计时域地震动,岩土工程场地分类,基于性能的抗震设计,场地地震风险分析,结构可靠性
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来源期刊
CiteScore
1.90
自引率
25.00%
发文量
11
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