平云一路大桥葵花拱桥设计

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中图分类号：U448.22 文献标志码：A 文章编号：2095-2945(2026)08-0129-04

Abstract:Basedonthedesignofthesunflowershapedarch bridgeofPingyun1stroadbridge,whichislocated inthe YangtzeRiverbasinofYilingdistrict,Yichangcitywhichiscrossng theHuangbaiRiver.Themainbridgeisarangedasa (30+4×35+30)msixspantop-bearsunflowershapedarchbridge.Thecross-sectionaldesignof thebridgeadoptsatwo-waysix laneandpedestrianwalkway，withawidthof3Ometers.Thisarticlemainlyintroducestheselectionofbridgetype，overal design，mainwebarchdesign，mainbeamdesign，foundationdesign，structuralanalysis，andmodelanalysisofthesunflower shaped arch bridge,which can provide reference for the design of sunflower shaped arch bridge.

Keywords:sunflower-shapedarchbridge;deckarchbridge;river-crosingbridge;structuraldesign;Pingyun1stRoadBridge

葵花拱桥名称源于主拱与腹拱相互连接形成的葵花状外观，中间主拱与两侧腹拱通过刚性连接，拱拱相叠，曲线圆润，如同绽放的向日葵花瓣。（剩余7662字）