摘要
本文简要介绍了南通市某高架工程上跨主线高架桥的钢箱梁吊装施工。吊装节段最重211.5 t,采用CC2500-1型500 t履带式起重机加超级提升装置进行吊装作业。临时支架采用400×8的钢管和[16槽钢组成格构式钢支架。箱梁焊接完成检测合格后进行体系转换,将钢箱梁平稳落在永久性支座上,并拆卸临时支架。
The article introduces the steel box beam hoisting construction of elevated bridge overpassing the main line in a viaduct of Nantong. The most weight of hoisted segment is 211.5 t, which has to be hoisted by CC2500-1 500-t crawler crane plus super-lifting device. The temporary support is the steel latticed support composed of φ400×8 steel pipe and 16# channel steel. The box beam after welded and inspected up to standard is carried out of system transformation. The steel box beam is smoothly and steadily fallen on permanent support. The temporary support is dismounted.
出处
《城市道桥与防洪》
2016年第3期89-92,12,共4页
Urban Roads Bridges & Flood Control
关键词
钢箱梁
吊装
临时支墩
高架桥
steel box beam
hoisting
temporary support
viaduct
