TotalNo．280December2022冶金设备METALLURGICALEQUIPMENT总第280期2022年12月第6期拱形塔设计及安装张玉坤①(北京中冶设备研究设计总院有限公司北京100029)摘要分析了拱形塔的结构特点，功能特征和现场安装方法;通过对多种钢结构截面形式的研究和优缺点的对比，选择了变截面三角形空间管桁架的拱形塔结构。利用仿真计算分析了拱形塔结构杆件的极限应力载荷和运行工况下的位移，结果表明，拱形塔结构拱形结构满足在极限载荷和工作载荷下的强度要求，安全可靠。同时拱形塔具有外观简洁美观、强度高、刚性大等优点。通过对施工现场条件的分析，制定了专门的安装方案，并利用仿真软件对施工过程中关键节点的结构的强度、刚度、稳定性进行校核，结果表明，拱形塔的安装方法成本低，投资小，便于安装。关键词结构设计仿真计算三角桁架拱形塔中图法分类号F719．5文献标识码BDoi:10.3969/j.issn.1001－1269.2022.06.008DesignandInstallationofArchedTowerZhangYukun(BeijingMetallurgicalEquipmentResearchDesignInstituteCo．，Ltd．，Beijing100029)ABSTRACTThispaperanalyzesthestructuralfeatures，functionalfeaturesandsiteinstallationmethodsofthearchtower．Thearchedtowerstructurewithvariablecrosssectiontriangularspacetubetrussischosenthroughthestudyofvarioussteelstructuresectionformsandthecomparisonofadvantagesanddisadvantages．Theultimatestressloadandthedisplacementofthemembersofthearchtowerstructurearecalculatedandanalyzedbysimulation．Theresultsshowthatthearchstructureofarchtowerstructuremeetsthestrengthrequirementsundertheultimateloadandworkingload，andissafeandreliable．Atthesametime，thearchtowerhastheadvantagesofsimpleandbeautifulappearance，highstrengthandlargerigidity．Throughtheanalysisoftheconstructionsiteconditions，aspecialinstallationschemeismade，andthesimulationsoftwareisusedtocheckthestrength，stiffnessandstabilityofthestructureofthekeynodesintheconstructionprocess．Theresultsshowthattheinstallationmethodofthearchtowerislowcost，smallinvestmentandeasytoinstall．KEYWORDSStructuraldesignSimulationcalculationTriangulartrussArchedtower1前言随着我国国民经济持续增长、人均收入快速增加及城镇化率的不断提高，居民消费观念随之转变和升级，不再...
