异型截面柱与腰桁架的制作工艺 FABRICATION TECHNOLOGY FOR IRREGULAR CROSS-SECTION COLUMNS AND MIDDLE TRUSS AT MAIN TOWER OF STAGE A OF CHINA WORLD TRADE CENTER.pdfVIP
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异型截面柱与腰桁架的制作工艺 FABRICATION TECHNOLOGY FOR IRREGULAR CROSS-SECTION COLUMNS AND MIDDLE TRUSS AT MAIN TOWER OF STAGE A OF CHINA WORLD TRADE CENTER
异型截面柱与腰桁架的制作工艺 王 忠t, 崔 基1, 廖顺宇2, 胡国凯3 摘要:中国国际贸易中心三期A阶段工程主楼核心筒为不规则的异型截面柱,为确保构件的整体精度,对 异型截面构件进行合理节点拆分,确定合理的装配顺序及焊接顺序,提高各组件的精度控制标准,减少因多次焊 接产生的变形以及由于多次装配产生的尺寸累积差对精度的影响,从而提高整体异型截面钢柱的加工精度。 关键词:异型截面柱;腰桁架;装配;焊接 中图分类号:TU758.16文献标识码:B 文章编号:1000-4726(2008)04—0254—07 AND FABRICATIONTECHNoLOGYFoRⅡ氓EGULARCRoSS-SECTIONCOLUMNSMIDDLE MAIN TRUSSAT ToWEROFSTAGEAOFCHINAWORLDTRADECENTER V\『ANG CUI UAO Guokai3 Zhon91。 J.1, Shunyu2,HU ConstructionFirstDivisionSteelStructure WorldTradeCenter (China Engineering Co.,Ltd., Co.,Ltd.,100073,Beijing。China;2.China Steel 100004’Beijing。China;3.China A the WorldTrade Abstract:Thecorecolumnofthemain ofPhasem of China building stageproject Centerisof cross-section.Toensurethe ofthe cross—section irregular integral column,theirregular precision structurew鹅dividedintoseveral andthe and were segmentsreasonably assemblingweldingsequences standardofthe waselevatedtoreducetheaccumulated rationalized.Moreover,the segmentprecision controlling elrorcasued and 80a8to thefabrication ofthesteelcolunnl bymultipleweldingassembling improve precision of
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