2010年7月 施工技术 第39卷第7期 CONSTRUCTION TECHNOLOGY 13 武汉火车站中央站房大型胎架滑移技术 王宏，戴立先，刘家华，刘曙 (中建钢构有限公司，广末深圳518040) [摘要]武汉火车站钢结构采用大型桥建合一大跨度枝状支撑空间双曲面钢结构.根据结构外形特点，结合施工 现场条件，反复比较各种施工方案，最终确定了采用大型滑移胎架、高空原位安装法施工工艺，采用液压千斤顶机 构进行胎架滑移，计算机同步控制，成功将长41.1m 宽32.875m 高52m 单部重2740：的胎架进行滑移和用于结 构安装，取得了显著的社会效益和经济效益. [关键词】武汉火车站；胎架；滑移；液压千斤顶 [中图分类号]TU758.11 [文献标识码]A [文章编号]1002-8498(2010)07-0013-03 Movable Technology of Large Jig in Central Station Building of Wuhan Railway Station Wang Hong Dai Lixian Liu Jiahua Liu Shu China Construction Steel Structure Co.Lad.Shenzhen Guangdong 518040 China) Abstract:Wuhan Railway Station adopts long-span branchlike support space hyperboloid steel structure which tends bridge and building to be united.Sky-high in-situ installation method with large movable jig is determined to be used by paring repeatedly several construction schemes and basing on structure characteristics and construction in-situ conditions.The large movable jig with 41.1m length 32.875m width 52m height and 2 740 tons weight is moved by hydraulic jack and synchronously controlled by puter.The steel structure is installed successfully with this jig.Social and economic benefit is earned. Key words:Wuhan Railway Station;jig;movable;hydraulic jack 钢结构滑移施工按滑移对象的不同可分为胎架滑台千斤顶沿前进方向①轴对称布置，使移动同步均匀. 移法、结构主体滑移法以及结构主体、胎架整体滑移现场共布置4台拖拉千斤顶，设4个液压泵站，由1个 法.胎架滑移法是指在结构的拼装胎架下设置滑移装 中控台控制，使得发出的信号命令一致，实现同步. 置，每次拼装完一个单元后，滑移至下一位置组拼；结 拼装胎架（见图1）的移动由胎架底盘、滑道系统 构主体滑移法是指拼装胎架位置固定不动（一般位于 (走行机构、轨道、轨承梁、基础)加上千斤顶动力源来 建筑物端头)，每次主体结构滑移拼装完毕后依次滑...
武汉火车站中央站房大型胎架滑移技术.pdf
