装配整体式再生砖骨料混凝土剪力墙恢复力模型研究

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关键词:装配整体式剪力墙;再生砖骨料混凝土;恢复力模型;卸载及再加载刚度;滞回规则 中图分类号:TU352.11 文献标志码:A DOI:10.16385/j.cnki.issn.1004-4523.202404067
Abstract:Indertostudyteseisicbhaviandestogforcescharacterstisofassblymoolithicecyedbrckaregateoete shearwall,sevenassemblymonolithicrecycledbrickaggegateconcreteshearwallswere testedunderlowcyclicloading,focusingon analyzingthectsoficalfetoeodfpeastelsrastpaelatealsdialpti onthehystereticperfomanceofteall.Basedoteskeletoncurvesof7specimensbtaindfromthetests,afour-linearskeletoncurve modelncludigsifesdegadationdbearingcapacitydgradationasproosed.Theloadanddisplacementfoulasofspecimeste fourstagesofcracking,yielding,peakandultimateandtestfessformulas ineachstagewereanalyzedandderived,andtrof calculated skeleton curves and the test skeleton curves was controlled within 10% .Regression analysis of the hysteresis curves of the 7 specimenswasperfoedtofiteunloadedandreloaddtiffessofthewallafteryeldng.TeysteresisuleoftewallwasgivnThe resultsshowtattalatedwallyeiseeswellithtxpeealhystesisuesdoskeleoeoel hysteresisruleproposdintispaper,whichcanprovideabasisforthenonlinearseismicresponseanalysisoftheshearwallstructure.
Keywords:assmbledmonolithichearwal;ecycledbrickaggregateconcrete;restoringforeodel;unloadingadreloadinss; hysteresis rule
随着大量老旧建筑拆除,将建筑垃圾中的废弃混凝土和废弃瓦片经过分离、破碎、筛分制成再生砖骨料应用于预制构件生产具有良好的经济和环境效益。(剩余18169字)