-97-钢箱梁斜拉桥UHPC桥面铺装摊铺顺序研究李绍成1，张振东2,3，苏文明2,3，张太磊2,3，徐兴伟2,3（1.东营市公路事业发展中心，山东东营257091；2.山东高速工程检测有限公司，山东济南250002；3.桥梁结构大数据与性能诊治提升交通运输行业重点实验室，山东济南250002）摘要：以胜利黄河大桥维修改造工程为例，采用桥梁分析软件Midas/Civil建立有限元模型，计算桥面铺装施工过程中桥梁各构件受力状态，分析施工方案的可行性，对主梁变形及索力进行研究，关注索力及变形的不对称情况，并对部分斜索施工过程中的变化情况进行对比。结果表明，两种方案均可行，两幅同步摊铺更适用于旧桥维修改造工程。关键词：斜拉桥；桥面铺装；受力性能；UHPC；有限元分析中图分类号：U448.27文献标识码：BStudyonpavingsequenceofUHPCdeckofsteelboxgirdercable-stayedbridgesLIShaocheng1,ZHANGZhendong2,3,SUWenming2,3,ZHANGTailei2,3,XUXingwei2,3（1.DongyingRoadDevelopmentCenter,ShandongDongying257091China;2.ShandongHigh-speedEngineeringTestingCo.,Ltd.,ShandongJinan250002China;3.KeyLaboratoryofBridgeStructureBigDataandPerformanceDiagnosisTreatmentandImprovementofTransportationIndustry,ShandongJinan250002China）Abstract:TakingthemaintenanceandreconstructionprojectofShengliYellowriverbridgeasanexample,thispaperusesthebridgeanalysissoftwareMidas/Civiltoestablishthefiniteelementmodeltocalculatethestressstateofeachcomponentofthebridgeduringtheconstructionofbridgedeckpavement,soastoanalyzethefeasibilityoftheconstructionscheme.Thenitstudiesthedeformationandcableforceofthemainbeam,focusesontheasymmetryofcableforceanddeformation,andcomparesthechangesofsomeinclinedcablesduringconstruction.Theresultsshowthatbothschemesarefeasible,andtwosynchronouspavingismoresuitableforthemaintenanceandreconstructionofoldbridges.Keywords:cable-stayedbridge;UHPC;bridgedeckpavement;parametricanalysis;mechanicalperformance引言钢结构强度大、自重轻，具有较强的跨越能力，在大跨度桥梁中得到广泛应用。但由于钢桥面板刚度较低，容易产生疲劳病害，日益增长的交通量及普遍超载的运营状况更加剧这一趋势。采用钢-高性能混凝土组合桥面结构可有效提高桥面刚度，降低桥面板的疲劳应力幅，从而改善桥面铺...
