| 利用浮托力弥补打桩船吊装能力的不足 |
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| 引用本文： | 曹宏生,祁锋.利用浮托力弥补打桩船吊装能力的不足[J].水运工程,2007(2):83-84. |
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| 作者姓名： | 曹宏生 祁锋 |
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| 作者单位： | 河海大学,交通与海洋工程学院,江苏,南京,210098;南京水利科学研究院,江苏,南京,210029 |
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| 摘 要： | 针对混凝土大直径管桩沉桩施工时打桩船吊装能力存在不足的问题进行了分析,提出了利用管桩空腔排水产生的浮托力来弥补的措施。沉桩结果表明,这种方法是切实可行的,对类似工程的沉桩施工具有参考价值。
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| 关 键 词： | 浮托力 打桩船 吊装能力不足 预应力混凝土大直径管桩 |
| 文章编号： | 1002-4972（2007）02-0083-02 |
| 收稿时间： | 2006-09-29 |
| 修稿时间： | 2006年9月29日 |
Application of Buoyancy to Remedy Inadequacy of Lifting Capacity of Piling Barge |
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| CAO Hong-sheng,QI Feng.Application of Buoyancy to Remedy Inadequacy of Lifting Capacity of Piling Barge[J].Port & Waterway Engineering,2007(2):83-84. |
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| Authors: | CAO Hong-sheng QI Feng |
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| Institution: | 1. Communications and Ocean Engineering Institute, Hohai University, Nanjing 210098, China; 2. Naniing Hydraulic Research Institute, Nanjing 210029, China |
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| Abstract: | Based on the analysis of the inadequacy of the lifting capacity of piling barge in large-diameter prestressed concrete pipe pile driving construction,the measure of applying buoyancy generated by cavity drainage to remedy the inadequacy is put forward.The result of pile driving proves that the measure is feasible and may serve as a reference for pile driving construction of similar projects. |
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| Keywords: | buoyancy piling barge inadequacy of lifting capacity large-diameter prestressed concrete pipe pile |
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