| 国家奥林匹克体育中心体育场工程钢结构超长悬挑钢梁无支撑安装工艺 |
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| 引用本文： | 陈华周,钱焕.国家奥林匹克体育中心体育场工程钢结构超长悬挑钢梁无支撑安装工艺[J].钢结构,2007(7). |
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| 作者姓名： | 陈华周 钱焕 |
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| 作者单位： | [1]中建三局股份钢结构公司北京分公司 [2]中建三局股份钢结构公司北京分公司 北京 |
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| 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。
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| 关 键 词： | 钢结构 超长悬挑大梁 无支撑 整体吊装 安装精度 |
UNSUPPORTED ERECTION TECHNIQUE OF SUPERLONG OVERHANGING STEEL BEAM OF STEEL STRUCTURE FOR STADIUM OF NATIONAL OLYMPIC SPORTS CENTER |
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| Chen Huazhou Qian Huan.UNSUPPORTED ERECTION TECHNIQUE OF SUPERLONG OVERHANGING STEEL BEAM OF STEEL STRUCTURE FOR STADIUM OF NATIONAL OLYMPIC SPORTS CENTER[J].Steel Construction,2007(7). |
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| Authors: | Chen Huazhou Qian Huan |
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| Abstract: | 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. |
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| Keywords: | steel structure superlong overhanging girder no bracing integral lifting erection precision |
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