内蒙古公路与运输Highways&TransportationinInnerMongolia2023年第3期Abstract:Withtheneedofhigh-qualityurbandevelopment,peoplepaymoreandmoreattentiontourbanbridgemodeling.Asabridgetypewithlargespancapacity,cable-stayedbridgeplaysanimportantroleinlong-spanurbanbridges.However,thetowershapeandcablelayoutofthetraditionalcable-stayedbridgearerelativelysimple,whichisslightlyinsufficientforthemodelingofim-portanturbanlandscapenodes.ThemainbridgeoftheHutuoRiverBridgeadoptsaroll-shapedtower,andthecablesadoptareversetensionspacetwistedcableplanetocreateabetterlandscapeeffect.However,structuralinnovationalsobringssomedesignchalleng-es,suchasstructuralsystemselection,towerstructureselectionandinternalsectiondesign,mainbeamdesign,cableselection,towerdecorationstructuredesign,etc.Inthispaper,thecalculationandanalysisofthesingletowerspacetwistedcableplanecable-stayedbridgewiththemainspanof40m+150m+150m+40marecarriedout,andthekeytechnologiessuchasstructuralsystem,towersizeandstructuraltype,mainbeamstructure,cablelayoutarecomparedandstudied.Inordertobetterresearchanddesignthebridgetow-erandtowerdecoration,theprojectusescatiasoftwareandrhinocerossoftwaretocarryoutBIMforwarddesign.TheaboveresearchresultsandtheapplicationofBIMtechnologycanprovideabasisforthepreliminarydesignandconstructiondrawingdesignofthisbridge,andcanalsoprovidereferenceforothersimilarprojects.Keywords:singletowerandsinglecolumncable-stayedbridge,bridgetowermodeling,bridgetowerstructure,spacecable文章编号:1005-0574-(2023)03-0032-07DOI:10.19332/j.cnki.1005-0574.2023.03.008滹沱河特大桥主桥设计关键技术张立欣1,陈自能2,李国生3,李喆2(1.石家庄国有资本投资运营集团有限责任公司,河北石家庄050011;2.同济大学建筑设计研究院(集团)有限公司,上海200092;3.中交第一公路勘察设计研究院有限公司,陕西西安710075)摘要:随着城市的高质量发展,人们越来越重视城市桥梁造型。斜拉桥作为一种跨越能力较大的桥型,在大跨径城市桥梁中占有重要地位。但传统斜拉桥的桥塔造型、拉索布置形式较为单一,作为城市重要景观节点,造型上略显不足。滹沱河特大桥...