2016年7月下 施工技术 第45卷第14期 CONSTRUCTION TECHNOLOGY 83 D0I:10.7672/8js2016140083 南京国际博览中心二期平面张弦直梁钢屋盖结构 张拉施工关键参数分析 周凯1 2 3，黄炳生2，蒋国明3 (1.盐城工业职业技术学院建筑工程系，江苏盐城224005； 2.南京工业大学土木工程学院，江苏南京211816：3.上海宝冶集团有限公司，上海200941) [摘要]预应力张弦直梁结构由于其能够跨越较大跨度，在大型公共建筑中应用广泛.以南京国际博览中心二期 平面张弦直梁钢屋盖结构工程为背景，对张拉施工分析时的零状态形态以及临时支撑胎架与钢梁摩擦、支座与钢 埋件摩擦对张拉施工的影响进行研究. [关键词]钢结构；平面张弦直梁：屋盖；张拉；摩擦；施工技术 [中图分类号]TU393.3 [文献标识码]A [文章编号]1002-8498(2016)14-0083-03 Key Parameter Analysis of Tension Construction of Flat String Steel Roof Structure for Nanjing International Expo Center Phase II Zhou Kai.2.3 Huang Bingsheng Jiang Guoming' (1.Department of Architectural Engineering Yancheng Vocational Institute of Industry Technology Yancheng Jiangsu 224005 China;2.College of Ciuil Engineering Nanjing University of Technology Nanjing Jiangsu 211816 China;3.Shanghai Baoye Group Co.Ld.Shanghai 200941 China) Abstract:Prestressed string straight beam structure can stride across a large span so it is widely used in large public buildings.Taking flat string steel roof structure of the Nanjing International Expo Center Phase IⅡI as the background the zero-state shape of tension construction analysis and the influence on tension construction from the friction between the temporary supporting frames and the steel as well as bearing and the steels submerged were studied. Key words:steel structures;flat string beam;roofs;stretching;friction;construction 1工程概况 节点将拉索固定.单榀张弦直梁最重约85t(不含 南京国际博览中心二期北侧工程位于会展中 悬挑)，如图2所示.张弦桁架ZXL-9重约2021.张 心一期北侧，其北侧为河西大街，西...
南京国际博览中心二期平面张弦直梁钢屋盖结构张拉施工关键参数分析.pdf
