2023.3,3(2)|工程建造与维护填充型环氧钢绞线斜拉索张拉多孔反力架设计优化姚永峰,赵军,金平,陈丹丹(江苏法尔胜缆索有限公司,江苏江阴,214445)摘要:传统的填充型环氧钢绞线斜拉索张拉多孔反力架多为整体式焊接结构,规格型号众多,包装运输体积大,单件重量也较重。本文依托某斜拉桥,针对六种规格型号的斜拉索张拉多孔反力架进行设计优化:根据钢绞线斜拉索锚板孔的排列形式,通过变位法实现不同规格型号多孔反力架的通用性;反力架焊接结构调整为螺栓连接,形成可拆卸式结构,实现构件模块化;通过有限元结构受力分析,优化构件尺寸,降低反力架重量。关键词:填充型环氧钢绞线斜拉索;多孔反力架;可拆卸;有限元分析DesignoptimizationofthefilledepoxysteelstrandcabletensioningmultiaperturereactionframeYAOYongfeng,ZHAOJun,JINPing,CHENDandan(JiangsuFastenSteelCableCo.Ltd.,Jiangyin214445,China)Abstract:Thetraditionalsteelstrandcable-stayedtensionmultiaperturereactionframeismostlyamonolithicweldedstructure,withmanyspecifications,largepackagingandtransportationvolume,andheavyweight.Basedonacable-stayedbridge,thispaperoptimizesthedesignofsixcable-stayedtensionporousreactionframes.Accordingtothearrangementoftheholesofcable-stayedanchorplatesofsteelstrands,theversatilityofporousreactionframesofdifferentspecificationsisrealizedbytheconjugationmethod.Theweldingstructureofthereactionframeisadjustedtoboltedtoformadetach-ablestructureandrealizethemodularizationofcomponents.Throughtheforceanalysisoffiniteele-mentstructure,thecomponentsizeisoptimizedsoastoreducetheweightofthereactionframe.Keywords:thefilledepoxysteelstrandcable;multiaperturereactionframe;detachable;finiteele-mentmethodanalysis引言钢绞线斜拉索是现代斜拉桥斜拉索常用的一种结构形式,近50年来在欧美、日本等国家得到了广泛应用[1]。由于钢绞线拉索运输便捷,制作、穿索、张拉全过程“化整为零”,无需大型施工设备,所需张拉机具吨位小,采用逐根张拉的斜拉索挂索工艺后,对高空桥塔施工也有很好的适用性,近10年来,在中图分类号:U443.38;TG352文献标志码:A文章编号:2097-017X(2023)02-0060-05收稿日期:2023-02-25基金项目:法尔胜泓昇集团有限公司科研项目(2022K...