西安火车站改扩建站房屋盖大跨焊接球网架施工关键技术  

KEY CONSTRUCTION TECHNOLOGY FOR LARGE-SPAN WELDED BALL GRIDS IN THE ROOF OF THE RENOVATION AND EXTENSION PROJECT IN XI'AN RAILWAY STATION

作　　者：万涛平 马洁烽 WAN Tao-ping;MA Jie-feng(Zhejiang Jinggong Steel Structure Group Co.,Ltd.,312030,Shaoxing,Zhejiang,China)

机构地区：[1]浙江精工钢结构集团有限公司,浙江绍兴312030

出　　处：《建筑技术》2022年第11期1502-1505,共4页Architecture Technology

摘　　要：依托西安火车站改扩建项目,对大跨焊接球网架屋盖采用提升方式施工进行介绍,并对施工过程中的关键技术进行阐述,包括提升点的设置、提升架的设计、项目分期建设造成屋盖结构割裂并由此引发的问题处理等,总结了此类项目建设过程中的相关经验。The construction of the large-span welded ball grid roof by lifting method is introduced relying on the renovation and extension project of Xi'an Railway Station.Besides,the key technology in construction is expounded,such as the setting of lifting points,the design of lifting frames,the fragmented roof structure caused by the stage construction of projects and the corresponding handling methods,and the relevant experiences in constructions of such projects are summed up.

关 键 词：焊接球网架 提升 提升点 提升架 分期建设 

分 类 号：TU55[建筑科学—建筑技术科学]