PIANC Seismic Design Guidelines of Port Structures
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Transcript of PIANC Seismic Design Guidelines of Port Structures
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PIANC Seismic Design Guidelines for Port StructuresInternational Guidelines by PIANCWG members from 11 countriesSeismic performance-based designAnalysis methods
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Performance-based designAcceptable damage levelI ServiceableII RepairableIII Near CollapseIV CollapseEarthquake motion levelLevel 1Level 2Performance gradeS, A, B, C
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Acceptable level of damage
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Performance grades S, A, B, and C
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Performance-based designChoose performance grade: Owners/usersDefine damage criteria: Engineers +Owners/usersEvaluate seismic performance: Engineers
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Performance-based designDamage criteriaFailure modeDisplacementStrainAnalysis typeSimplified analysisSimplified dynamic analysisDynamic analysisInputEarthquake motionsGeotechnical conditionsProposed design or existing structuresOutputDisplacementStrain
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Types of Analysis Simplified analysis:Appropriate for evaluating approximate threshold level and/or elastic limitSimplified dynamic analysis:Possible to evaluate extent of displacement/ stress/strain based on assumed failure modesDynamic analysis:Possible to evaluate both failure modes and extent of displacement/stress/strain
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Choice of analysis typesEarthquake motion levelGeotechnical conditionsStructural conditionsAnalysis stagePerformance grade
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Types of analysis related to performance grade
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PIANC Seismic Design Guidelines for Port StructuresPublishedSeptember, 2001, BalkemaSponsor: Coastal Development Institute of Technology, JapanPIANC SeminarsTokyo, December 10, 2001London, October 30, 2002Long Beach or Auckland