2015年4月下 施工技术 第44卷第8期 CONSTRUCTION TECHNOLOGY 53 D0I:10.7672/sgjs2015080053 靖江市体育中心体育馆张弦桁架拉索施工技术 贾尚瑞，邢遵胜1，罗斌2 (1.浙江精工钢结构集团有限公司，浙江绍兴312030；2.东南大学土木工程学院，江苏南京210096) [摘要]通过靖江市体育中心体育馆张弦桁架施工，总结了张弦桁架施工过程的总体流程方案，详细介绍了拉索开 盘、拉索安装、拉索张拉等关键施工技术，特别是拉索张拉，分别从群索张拉顺序的选择、支撑胎架对张拉索力的影 响、张拉工装和设备、张拉调整措施以及张拉监测等方面做了较全面的说明. [关键词]体育馆；钢结构；张弦桁架；索；安装；张拉 [中图分类号]TU758 【文献标识码]A[文章编号]1002-8498(2015)08-0053-03 Construction of the Truss String Cable for Gymnasium of Jingjiang Sports Center Jia Shangrui' Xing Zunsheng' Luo Bin2 (1.Zhejiang Jinggong Steel Building Group)Co.Ltd.Shaoxing Zhejiang 312030 China; 2.College of Ciwil Engineering Southeast University Nanjing Jiangsu 210096 China) Abstract:Through the construction of the gymnasium of Jingjiang Sports Center the overall flow program of truss string construction process was summarized.The key construction technologies of cable opening cable installing cable stretching were introduced in detail especially the cable stretching which prehensively illustrates from the sequence select of group cable stretching the effect of supporting frame to cable force tensioning tools and equipment tensioning adjustment measures tensioning monitoring and so on. Key words:gymnasiums;steel structures;truss string structure;cables;installation;tensioning 1工程概况 靖江市体育中心体育馆是下部为混凝土结构、 屋盖为钢结构的大型体育馆，其东西方向长约 140m 南北方向长约100m 座位总数6615个，总建 筑面积27844m2;屋盖钢结构主要由6张弦桁架 和屋面钢梁组成.如图1 2所示. 2结构特点 张弦桁架跨度约74m 高度从22.7~24.1m不 图1结构三维轴测图 等，断面为倒三角形式，其结构形式如图3所示；桁 Fig.1 3D axonometric drawing of the s...
靖江市体育中心体育馆张弦桁架拉索施工技术.pdf
