| 大型双壁钢围堰气囊法下水施工技术及经济分析 |
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| 引用本文： | 文武松,李多修.大型双壁钢围堰气囊法下水施工技术及经济分析[J].铁路工程造价管理,2010,25(1):6-10. |
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| 作者姓名： | 文武松 李多修 |
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| 作者单位： | 中铁大桥局,南京大胜关长江大桥工程指挥部,江苏,南京,210039 |
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| 摘 要： | 大型双壁钢围堰体积和质量大，其下水作业难度较大。气囊法下水施工技术能很好地解决这一难题，具有简便易行、经济实用的特点。此文以南京大胜关长江大桥主墩基础工程为例，介绍深水基础大型双壁钢围堰气囊下水施工技术的特点及其相应的控制技术和手段，对施工的具体工艺流程和操作步骤进行详细的阐述，对工程的施工组织设计和经济性进行深入分析和探讨。
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| 关 键 词： | 双壁钢围堰 气囊法 下水施工 经济分析 |
Technical and economic analyses of launching construction with air-cap of large-scale double wall steel cofferdams |
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| Wen Wusong,Han Ronghua.Technical and economic analyses of launching construction with air-cap of large-scale double wall steel cofferdams[J].Railway Engineering Cost Management,2010,25(1):6-10. |
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| Authors: | Wen Wusong Han Ronghua |
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| Abstract: | Large-scale double wall steel cofferdams which have big volumes and weights,involves many difficulties during underwater operations.Launching construction techniques with air-cap,in the characteristic of simple accurate and economical and practical,can easily solve this problem.This article taking main pier foundation constructions in Nanjing Dashengguan Yangtze River Bridge for example,introduces characteristics and relevant control technologies and measures of launching construction with air-cap in the de... |
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| Keywords: | double wall steel cofferdam launching construction with air-cap economic analyses |
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