华西龙希国际大酒店裙房多层曲面网架安装技术.pdf

2012年10月下 施工技术 第41卷第375期 CONSTRUCTION TECHNOLOGY 89 华西龙希国际大酒店裙房多层曲面网架安装技术 周琦，蔡金志 (中建钢构阳光惠州有限公司，广东惠州510640) [摘要]华西龙希国际大酒店裙房为多层曲面网架结构，结构复杂、节点坐标定位要求高、施工难度大.根据结构 特点和现场条件，采用了满堂脚手架及集束钢管柱支撑、高空散拼与单元拼装相结合的安装技术、全站仪三维空间 坐标测量控制技术，完成了复杂造型的网架工程安装.同时介绍了网架临时支撑卸载的基本原则及方法、卸载工 艺及顺序、卸载变形监测等. [关键词]钢结构；裙房；网架；安装；卸载 [中图分类号]TU758.1 [文献标识码]A[文章编号]1002-8498(2012)20-0089-04 Installation Technology of the Multi-layer Curved Space Truss of the Podium in Long Wish Hotel International Zhou Qi Cai Jinzhi (China Construction Steel Structure Sunbright Huizhou Co.Ltd.Huizhou Guangdong 510640 China) Abstract:The podium of Long Wish Hotel International is a multi-layer curved space truss structure.The plex structural form imposes high requirements to node coordinate positioning and brings construction difficulty.According to the structural characteristics and field situation the full scaffolds and collected steel tube column were used for supports the bination of the partial assemblies at high altitude and unit assembly were used for installation and the total station instrument was used for measurement and controlling of the 3D coordinates.These technologies were shown to have successfully finished the construction of the space truss.This paper also introduced the basic principle and methods of the unloading of temporary supports for the space truss as well as the technique and sequence of unloading and unloading deformation monitoring. Key words:steel structures;podium;space truss;installation;unloading 1...