端部内置钢管双钢板-RPC剪力墙抗震性能分析

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中图分类号：TU398.2 文献标识码：A DO1： 10. 7535/hbgykj. 2026yx01004

Abstract：Inordertoaddress isues suchasconcretecrushing attheends，significantstiffness degradation，andinsuficient ductlity n traditional double steel plateconcretecomposite shearwallsunder seismic action，round steetubes were embedded attheendsof the walls.The stel tubes efectively constrained thecore reactive powder concrete（RPC）.Using steel tube strength（Q235，Q355，Q390，Q420），steel tube outer diameter （140，152，168，180mm） ，and steel plate strength （Q235， Q355，Q390，Q42O）ascontrol parameters，llgroupsof specimens were designed.Finite element models wereestablished using ABAQUS software，andvalidationanalyses wereconductedonsimilardouble steel plateconcrete（RPC）composite shear wals.The simulationresults werecompared with theexperimentalresults to verifytheirrationality.Basedon the validation results，thebearingcapacity，deformationcapacity，ductility，stifnessdegradation，andenergydisipationof the11specimen groups werecomparatively analyzed.Theresults indicate that：1）Comparedwith specimens without steel tubes，theendembeddedsteeltubescan significantlyenhancetheseismic performanceof thestructure，with theyieldloadand peak load increasing by 2.18% and 2.38% ，respectively，and ductility improving by 7.05% .2）Increasing the strength of the steel plates hasasignificant efectonthe improvementofbearingcapacityand ductility，withmaximum increases inyield loadand peak load of 35.71% and 29.15% ，respectively，and a maximum ductility improvement of 21.94% ．3）The study demonstrates that doublesteel plate reactive powderconcrete composite shear wallswith end-embedded stel tubes show considerable improvement inbearingcapacity，ductility，initial stiffess，andenergydisipation，aswellassuperiorseismic performance.Thefindingsprovideatheoreticalbasis forthehigh-ductilitydesignandperformanceenhancementofkeylateral force-resisting components in high-rise buildings.

Keywords：compositestructure;embeded end;round stel tube；double steelplatereactive powderconcrete；seismicperformance

随着经济社会的不断发展，人们对高层及超高层建筑工程的需求日益增长，双钢板混凝土组合剪力墙在工程实践中的应用逐渐得到推广。（剩余15630字）