| 狭窄空间条件下大级差塔式起重机抬吊施工 |
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| 引用本文： | 陈治,王朝阳,杨松,李龙海,朱红兵.狭窄空间条件下大级差塔式起重机抬吊施工[J].施工技术,2011,40(3). |
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| 作者姓名： | 陈治 王朝阳 杨松 李龙海 朱红兵 |
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| 作者单位： | 中建钢构有限公司,广东深圳,518040 |
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| 摘 要： | 深圳证券交易所营运中心工程巨型悬挑钢桁架安装过程中,局部重型构件受吊装工况限制,在操作空间十分狭小的情况下,采用平臂塔式起重机配合大吨位动臂塔吊联合吊装,倒链水平牵引就位的吊装方法,安全顺利地完成了吊装任务。首先对双机抬吊进行了难点分析及施工方案的可行性分析,然后详细介绍了抬吊施工工艺及安全控制要点。
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| 关 键 词： | 钢结构 钢桁架 重型构件 双机抬吊 |
Lifting by Two Great Difference Capability Tower Cranes in Confined Spaces |
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| Chen Zhi,Wang Chaoyang,Yang Song,Li Longhai,Zhu Hongbing.Lifting by Two Great Difference Capability Tower Cranes in Confined Spaces[J].Construction Technology,2011,40(3). |
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| Authors: | Chen Zhi Wang Chaoyang Yang Song Li Longhai Zhu Hongbing |
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| Affiliation: | Chen Zhi,Wang Chaoyang,Yang Song,Li Longhai,Zhu Hongbing(China Construction Steel Structure Co.,Ltd.,Shenzhen,Guangdong 518040,China) |
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| Abstract: | During installation of mega cantilever steel truss in Shenzhen Stock Exchange Operations Center,limited by hoisting conditions,part of huge members are lifted and hoisted with combination method of level-jib tower crane and large tonnage jib crane,and horizontal pulling emplacement by reversible chain in shallow working space.The authors analyze difficult points of lifting method by two tower cranes and reliability of construction scheme,introduce in detail construction method and safety control points. |
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| Keywords: | steel structure steel truss huge member lifting by two tower crane |
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