外附装配式框架-支撑减震加固体系高效数值模拟方法与动力灾变响应分析

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中图分类号：TU375.4 文献标志码：A DOI：10.16385/j.cnki.issn.1004-4523.202508122

Abstract：ChiisoeoftecountriesmostseveelyafectedbyartqakedisastesAsanectivemeasofimprovgteseisiccapcity ofstructurs，xteallataedstruturaleformnttcolohssopiddevelopetndplationinentyauetits advantagesofgoodintegrity，flexibility，anddesignabilityAgainstthisackdrop，theauthorscombinedexterall-atachedstructural reinforementtoitefabatedstructiotqstroseaoeeteallaacdprefbcated，o steelplateconcreteframe-bracereinforementsystem.Thispaperfirstintroducestheconstructionmechanismandcompostioofthis extemally-atachedsystem，thenelaboratesonitseficientoverallmodel.Finall，basedoncasestudies，thedynamicresponseand perfoanceiicatosofisiuesofotitsextealleeated，dl reinforcementtrndddaictastophcsoearepredicted.Tultsemostatetathpropoedalyticalodeately reflectteexptalaacterisi，ithodrallagreetetsulaadxpemealsults（.，eletupeak bearingcapacitydsiuaefoatio）Iaicdsaseoealyis，herageoydisplacntetliit beforestructuraleiforentAfeadoptigteproposedextealeinforeentstetedisplacentspseissigicantlyduced andtheresultsaremorevenltribtedTepeakandsualdisplacementsofghflosaralevatedeaveragdisplacetfte top floor is reduced by 75.2% ，and the average interstory shear force of existing column is reduced by 70.96% .In general，this reinforcement systemplaysanimportantoleinhangingfunctions，consumingeerg，andpost-arthquakerepair.Teelevantconclusionscanprovidea reference for the subsequent development and application of external reinforcement technology.

Keywords：extermally-attached substructure; precast; numerical simulation;seismic retrofit; performance improvement

频繁的地震活动与严重的震后损失已成为中国面临的重要问题[1-2]。（剩余15834字）