摘要
国家奥林匹克体育中心体育场工程是2008奥运会改扩建场馆之一,须将原有结构部分拆除,拆除后安装钢结构看台和屋面悬挑结构。根据工程实践,对屋面超长悬挑结构的安装以及校正进行重点介绍。对于长而重,位置高的屋面悬挑结构,一般采用一端与结构相连,另一端搭设临时支撑的方法进行安装,根据结构特点,该工程采用悬挑和支撑杆整体安装的无临时支撑安装工艺。
The stadium project of Olympic Sports Center is one of the expansions for Beijing 2008 Olympic Games. Some parts of the original structure are removed,after which steel stand and roof overhanging structure are erected. It is mainly described the erection and correction of the roof superlong overhanging structure. The structure features longer length, heavier weight and high position. According to the structural characteristics of the project, the no temporary bracing technique is used to install this overhanging structure.
出处
《钢结构》
2007年第8期77-80,共4页
Steel Construction
关键词
钢结构
超长悬挑大梁
无支撑
整体吊装
安装精度
steel structure superlong overhanging girder no bracing integral lifting erection precision
