昆明新机场航站楼1～4号钢彩带安装技术.pdf

2012年5月上 施工技术 第41卷第364期 CONSTRUCTION TECHNOLOGY 昆明新机场航站楼1~4号钢彩带安装技术 丁国荣'，唐际宇2，杨啸磊3，蔡玉龙3，戈祥林2 (1.云南省工程质量监督管理站，云南昆明650228：2.中国建筑第八工程局有限公司广西分公司， 广西南宁530028：3.中建钢构有限公司，广东深圳518040) [摘要]昆明新机场航站楼1~4号彩带安装，根据拱形空间钢结构的特点，划分合理的吊装分段，通过计算机模拟 拼装检验构件尺寸.钢结构临时支撑采用租赁的组合贝雷架，采用大型履带式起重机进行跨外吊装，吊装前通过 计算机模拟仿真技术验证结构受力和变形，使钢结构吊装全过程受控.安装划分为若干施工段，采取从中间向两 端推进的吊装顺序，确保拱结构受力及变形的均衡.钢结构临时支撑卸载采取合理的顺序和技术措施，确保卸载 安全可靠. [关键词]机场；屋架；钢结构；钢彩带；安装；卸载 [中图分类号]TU744.5;TU758.1 [文献标识码]A [文章编号]1002-8498(2012)09-0001-05 Installation Technology on No.1 to No.4 Steel Ribbons in Terminal Building of the New Kunming Airport Ding Guorong' Tang Jiyu? Yang Xiaolei' Cai Yulong' Ge Xianglin? (1.Yunnan Engineering Quality Supervision Station Kunming Yunnan 650228 China; 2.Guangxi Branch of China Construction Eighth Engineering Bureau Nanning Guangxi 530028 China: 3.China Construction Steel Structure Co.Lad.Shenzhen Guangdong 518040 China) Abstract:Based on the spatial steel arch structure's characteristics to divide the ribbons into legal hoisting segments the No.1 to No.4 steel ribbons in terminal building of the new Kunming Airport are installed successfully by simulating and checking member's dimension.The ribbons are out-span hoisted by using the rented posite bailey truss as temporary support and large crawler crane.Before hoisting structure loading and deformation are simulated by puter to control structure hoisting process.The hoisting sequence is from middle to two ends which can assure average structure loading and deforma...