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老式预制空心板受力性能试验研究 Title:ExperimentalStudyontheMechanicalPerformanceofOld-fashionedPrecastHollow-CorePanels Abstract: Thispaperinvestigatesthemechanicalperformanceofold-fashionedprecasthollow-corepanelsthroughexperimentaltesting.Theaimofthestudyistoexaminetheload-carryingcapacity,deformationcharacteristics,andfailuremodesofthesepanels.Theresultsofthisresearchcontributetoabetterunderstandingofthestructuralbehaviorofold-fashionedprecasthollow-corepanels,enablingengineersanddesignerstomakeinformeddecisionsregardingtheiruseinconstructionprojects. Keywords:old-fashionedprecasthollow-corepanel,load-carryingcapacity,deformationcharacteristics,failuremodes,structuralbehavior,constructionprojects 1.Introduction: Precastconcretepanelshavebeenwidelyusedinconstructionduetotheirnumerousadvantages,includingcost-effectiveness,timeefficiency,andqualitycontrol.However,theperformanceofold-fashionedprecasthollow-corepanelsunderdifferentloadingconditionsisnotwellunderstood.Thisstudyaimstobridgethisknowledgegapbyconductingexperimentaltestsonthesepanelstogaininsightsintotheirload-carryingcapacity,deformationcharacteristics,andfailuremodes. 2.ExperimentalProcedure: 2.1SpecimenPreparation: Severalold-fashionedprecasthollow-corepanelswereselectedfortesting.Thesepanelsweremanufacturedusingtraditionalmethodsandmaterialscommonlyavailableduringtheperiodwhentheywereproduced.Thepanelswereinspectedforanydefectsordamagesthatmayaffecttheirmechanicalperformance. 2.2TestingSetup: Thepanelsweresubjectedtovariousloadingconditions,includingstaticloading,cyclicloading,andimpactloading,tosimulatereal-lifescenarios.Loadcellsanddisplacementsensorswereusedtomeasuretheloadanddeformationresponsesofthepanelsduringthetests.Theparametersmeasuredincludedload-carryingcapacity,deflections,strains,andfailuremodes. 3.ResultsandDiscussion: 3.1Load-carryingCapacity: Theexperimentaltestsrevealedtheload-carryingcapacityoftheold-fashionedprecasthollow-corepanelsunderdifferentloadingconditions.Theresultsshowedthatthepanelscould