大跨钢连廊高空整体提升的变形协调控制技术  

Deformation compatibility control technique for overall lifting of large-span steel corridors at high altitude

作　　者：吴志杰 傅文炜 刘文娜 蔡毅敏 WU Zhi-jie;FU Wen-wei;LIU Wen-na;CAI Yi-min(Zhongyifeng Construction Group Co.,Ltd.,Suzhou 215131,China;School of Civil Engineering Suzhou University of Science and Technology,Suzhou 215011,China;College of Civil Engineering and Architecture,Zhejiang University,Hangzhou 310058,China)

机构地区：[1]中亿丰建设集团股份有限公司,江苏苏州215131 [2]苏州科技大学土木工程学院,江苏苏州215011 [3]浙江大学建筑工程学院,浙江杭州310058

出　　处：《空间结构》2024年第4期90-96,共7页Spatial Structures

基　　金：江苏省建设系统科技项目(2023ZD092)。

摘　　要：高空整体提升法是大跨度钢连廊的主要施工技术之一.为了进一步降低实际施工过程中的工作量,提出了一种以附属结构和主体结构共同构成提升单元的整体提升思路.以某48 m跨的钢连廊为研究对象,研究大跨钢连廊高空整体提升的变形协调控制问题.通过模型试验和数值模拟,分别研究钢连廊的局部变形和整体变形对于附属结构的影响,提出二者之间的变形协调控制策略,并设计基于位移控制的新型节点以解决高空整体提升中的变形协调控制问题.研究结果可为同类型大跨度钢结构的施工提供技术参考.The overall lifting method is a primary construction technique used for large-span steel corridors at high altitude.In order to reduce the workload during the construction process,this paper presents an overall lifting concept using secondary and main structures as lifting units.A 48-meter span steel corridor serves as the research subject to analyze the deformation compatibility control during the overall lifting process.Model test and numerical simulation are carried out to investigate the influence of local and overall deformation of the steel corridor on the secondary structure.A deformation compatibility control strategy between the main and secondary structures is proposed.A new type of connection is designed,which is based on vertical deformation control to address the compatibility problem during overall lifting at high altitude.The findings of this study can offer technical guidance for construction of similar large-span steel structures.

关 键 词：钢连廊 高空提升 附属结构 变形协调 新型节点 

分 类 号：TU393.3[建筑科学—结构工程] TU745.2