简介：Sandwichmasonrywallsarewidelyusedasenergy-savingpanelssincetheinterlayerbetweentheouterleavescanactasaninsulationlayer.Newtypesofsandwichwallsarecontinuallybeingintroducedinresearchandapplications,andduetotheiruniquebondpatterns,experimentalstudieshavebeenperformedtoinvestigatetheirmechanicalproperties,especiallywithregardtotheirseismicperformance.Inthisstudy,threenewtypesofsandwichmasonrywallhavebeendesigned,andcycliclateralloadingtestswerecarriedoutonfivespecimens.Theresultsshowedthatthespecimensfailedmainlyduetoslippagealongthebottomcracksorthedevelopmentofdiagonalcracks,andthefailurepatternswereconsiderablyinfluencedbytheaspectratio.Analysiswasundertakenontheseismicresponseofthenewwalls,whichincludedductility,stiffnessdegradationandenergydissipationcapacity,andnoobviousdifferencewasobservedbetweentheseismicperformanceofthenewwallsandtraditionalwalls.Comparisonsweremadebetweentheexperimentalresultsandthecalculatedresultsoftheshearcapacity.ItisconcludedthattheformulasinthetwoChinesecodes(GB50011andGB50003)aresuitableforthecalculationoftheshearcapacityforthenewtypesofwalls,andtheformulainGB50011tendstobemoreconservative.
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