简介：Seismicgroundfaultingisthegreatesthazardforcontinuousburiedpipelines.Overtheyears,researchershaveattemptedtounderstandpipelinebehaviormostlyvianumericalmodelingsuchasthefiniteelementmethod.Thelackofwell-documentedfieldcasehistoriesofpipelinefailurefromseismicgroundfaultingandthecostandcomplicatedfacilitiesneededforfull-scaleexperimentalsimulationmeanthatacentrifuge-basedmethodtodeterminethebehaviorofpipelinessubjectedtofaultingisbesttoverifynumericalapproaches.Thispaperpresentsresultsfromthreecentrifugetestsdesignedtoinvestigatecontinuousburiedsteelpipelinebehaviorsubjectedtonormalfaulting.Theexperimentalsetupandprocedurearedescribedandtherecordedaxialandbendingstrainsinducedinapipelinearepresentedandcomparedtothoseobtainedviaanalyticalmethods.Theinfluenceoffactorssuchasfaultingoffset,burialdepthandpipediameterontheaxialandbendingstrainsofpipesandongroundsoilfailureandpipelinedeformationpatternsarealsoinvestigated.Finally,thetensileruptureofapipelineduetonormalfaultingisinvestigated.