| 九畹溪大桥大跨度钢管拱分段整体吊装施工安全措施探讨 |
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| 引用本文： | 付瑞芳.九畹溪大桥大跨度钢管拱分段整体吊装施工安全措施探讨[J].安全与环境工程,2004,11(2):59-62. |
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| 作者姓名： | 付瑞芳 |
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| 作者单位： | 中铁16局第5工程处,河北,唐山,063030 |
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| 摘 要： | 在进行缆索吊装大跨度双肋钢管拱悬拼施工中，过去多采用空中焊接横联作业，该项施工难度大，尤其在桥高、风大、两岸地形陡峭、施工条件困难的情况下，施工安全和施工质量难以保证。是否能将空中焊接作业转化成地面作业，本文详细介绍缆索吊装大跨度双肋钢管拱进行悬拼施工新技术，并结合九畹溪大桥施工实例，探讨缆索吊装双肋悬拼钢管拱施工中工艺程序、质量控制、安全措施等工程施工新方法及施工效果。
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| 关 键 词： | 钢管拱桥梁 整体立拼 双肋整体吊装 |
| 文章编号： | 1671-1556(2004)02-0059-04 |
| 修稿时间： | 2004年1月6日 |
Integrated Installation Technology of Double Libs of Big Span Steel Tube Arch |
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| FU Rui-fang.Integrated Installation Technology of Double Libs of Big Span Steel Tube Arch[J].Safety and Environmental Engineering,2004,11(2):59-62. |
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| Authors: | FU Rui-fang |
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| Abstract: | Combined with the construction practice of Jiuwanxi Bridge,this paper introduces the new technology of suspended patching of double libs which are suspended by steel cable.The significant feature is that transferring the welding of the cross conjunction from air to ground will guarantee the safety of the construction and upgrade the installation quality. |
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| Keywords: | steel tube arch experimental patching of half-span with single lib integrated patching suspending installation of double libs |
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