某上承空腹式景观拱桥的结构设计与研究

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中图分类号：U448.22 文献标志码：B 文章编号：1004-4345（2025）05-0069-05

Abstract Taking thelandscape arch bridge inacitysGuta Parkas theresearch object，adesignscheme foradeck-typeopenspandrelboxarchbridgewasproposedthroughacomprehensiveanalsisofitsistoricalcontext，usagefunction，strcturalfoand environmental compatibility. The design adopted a catenary arch axis coefficient （ m =3.95）and a three-unit box-ribbed arch structural system，achievingtherestoratioofitsstoricalstheticthoughtheuseofuegeyantiquedecorativepanels.Athdimsioal finiteelementmodelwasestablishedusingMidasCivil2O23，nablingasystematicanalysisofthesucturalperformance.Thismodel verified the bridge'sbearing capacity，overall stability，anddynamicresponse characteristicsunder Urban -B grade loading. The researchresultsindicatethatallmechanicalpeformancesof tisstructuralsystemmeettherelevantcoderequirementsunderte50m span condition.

Keywordsstructuralform;designconditions;deck-typeoen-spandrelbox-ribbedachbridge;structuralfiniteelementaalysis

拱桥作为最古老的桥梁形式之一，凭借其力学性能优越、造型优美等特点，自古以来备受各类建筑大师及文人墨客的青睐，至今仍是城市景观桥梁的首选结构。（剩余4766字）