2016年7月下 施工技术 第45卷第14期 CONSTRUCTION TECHNOLOGY 163 D0I:10.7672/8js2016140163 火电厂旧烟囱钢内筒顶升倒装施工技术 李富荣，陈保平 (江西建工第二建筑有限责任公司，江西南昌330029) [摘要]钛钢内筒是改造旧烟肉的有效方式.详细介绍了钛钢内筒顶升倒装施工工艺.钛钢内筒安装最常用的方 法就是利用外筒作为支撑通过液压提升内筒就位，为消除安装荷载对外筒带来的影响，在烟肉内部基础上直接增 加支撑立柱，将液压提升设备的荷载通过立柱直接传递至基础，使得安装荷载对外筒的影响降至最低.该项技术 在确保安全的前提下完成旧烟肉的改造，取得最大的经济和社会效益. [关键词]钢结构；钢内筒；顶升；倒装；施工技术 [中图分类号]TU391 [文献标识码]A [文章编号]1002-8498(2016)14-0163-03 Jacking Construction Technology of Old Chimney Steel Inner Tube of Thermal Power Plant Li Furong Chen Baoping Jiangxi the Second Construction Co.Lad.Nanchang Jiangxi 330029 China) Abstract:Titanium tube is an effective way to transform the old chimney.This paper introduces steel tube jacking inverted construction technology in details.The most monly used method of titanium steel inner tube installation is the use of outer tube as a support by hydraulic lifting the inner tube in place.In order to eliminate the influenee brought by the external load cylinder the support column is added on the basis of the inside of the chimney which makes the hydraulic lifting loads in the equipment through the column is passed directly to the foundation and makes the installation of the influence of external load cylinder is reduced to the minimum.The technology pletes the transformation of the old chimney under ensuring the safety of the premise which obtains the maximum economic and social benefits. Key words:steel structure;steel inner tube;jacking;inverted installation;construction 随着经济社会的发展，国家对环保要求的...
火电厂旧烟囱钢内筒顶升倒装施工技术.pdf
