2010年8月 施工技术 第39卷第8期 CONSTRUCTION TECHNOLOGY 101 上海世博会阳光谷钢结构施工变形控制技术 姜峰，黄明鑫，张晓杰 (长江精工钢构（集团）股份有限公司，上海200233) [摘要]上海世博会阳光谷钢结构工程为不对称、上大下小的箱形截面空间单层网格结构，且节点均采用焊接节 点.钢结构工程的变形控制是其准确安装的重要保证.详细介绍了上海世博会阳光谷钢结构施工的变形控制措 施.其中，自重变形控制措施果用施工全过程仿真分析和合理的施工流程；焊接变形控制措施包括：单杆双焊、双 杆单焊，隔层焊接，合理确定合龙温度，焊接前后结构变形监测等. [关键词]上海世博会；阳光谷；空间单层网格结构；焊接节点；变形控制 [中图分类号]TU393 [文献标识码]A[文章编号]1002-8498(2010)08-0101-03 Deformation Control Technology for Steel Structure Construction in Sun Valley of Expo 2010 Shanghai China Jiang Feng Huang Mingxin Zhang Xiaojie Changjiang Jinggong Steel Structure Group)Co.Lad.Shanghai 200233 China) Abstract:The steel structure of Sun Valley of Expo 2010 Shanghai China is asymmetric structure with bigger upper part and smaller lower part spatial single-layer grid of box-shape section.All the joints are welding ones.The deformation control of steel structure engineering is the assurance for installation.The deformation control methods for steel structure construction are introduced in detail of which for dead weight it applies simulation analysis for the whole construction process and proper construction procedure;and for welding deformation control methods single bar for double welding and double bars for single welding interlayer welding assuring reasonable closure temperature and deformation monitoring before and after welding are adopted. Key words:Expo 2010 Shanghai China;Sun Valley;spatial single-layer grid structure;welding joint; deformation control 1工程概况 上海世博会阳光谷钢结构工程（见图1）位于浦东 世博园核...
上海世博会阳光谷钢结构施工变形控制技术.pdf
