贝雷方柱支撑体系在大跨度钢结构中的应用  

Application of Bailey Square Column Support System in Long-span Steel Structure

作　　者：蒋卫 张位清 戴超虎 廖飞 邓正磊 JIANG Wei;ZHANG Weiqing;DAI Chaohu;LIAO Fei;DENG Zhenglei(China Construction Fifth Engineering Bureau The Third Construction Co.,Ltd.,Changsha,Hunan 410004,China)

机构地区：[1]中建五局第三建设有限公司,湖南长沙410004

出　　处：《建筑施工》2021年第9期1819-1821,共3页Building Construction

摘　　要：针对大跨度钢结构高空原位散装法的施工特点,以长沙黄花综合保税区进出口商品展示交易中心钢结构项目为实例,对比了各种常用临时支撑体系选用时的优劣势,介绍了贝雷方柱支撑体系的高度选取原理与细部连接设计,采用有限元软件对贝雷方柱支撑体系正常使用状态和极限偏心受压状态时的承重能力仿真分析,确保了其强度、变形及稳定性满足要求,并对贝雷方柱支撑体系的安装和拆卸作了阐述。总结的贝雷方柱支撑体系实践经验,为后续类似工程提供了实例借鉴。According to the construction characteristics of high-altitude in-situ bulk method for long-span steel structure,taking the steel structure project of import and export commodity exhibition and trading center in Changsha Huanghua comprehensive free trade zone as an example,this paper compares the advantages and disadvantages of various common temporary support systems,and introduces the height selection principle and detail connection design of Bailey square column support system.The load-bearing capacity of Bailey square column support system in normal service state and ultimate eccentric compression state is simulated and analyzed by using finite element software to ensure that its strength,deformation and stability meet the requirements,and the installation and disassembly of Bailey square column support system are described.The summarized practical experience of Bailey square column support system provides an example for follow-up similar projects.

关 键 词：贝雷方柱 贝雷片 支撑胎架 支撑体系 大跨度钢结构 

分 类 号：TU755.2[建筑科学—建筑技术科学]