| 大跨桥梁高桩承台深水基础施工技术 |
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| 引用本文： | 陈昌武,刘朝芝,罗昌宏,代筠杰.大跨桥梁高桩承台深水基础施工技术[J].城市道桥与防洪,2010(5):90-93. |
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| 作者姓名： | 陈昌武 刘朝芝 罗昌宏 代筠杰 |
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| 作者单位： | 襄樊市交通规划设计院,湖北襄樊,441000;沪蓉西高速公路建设指挥部,湖北恩施,445000;华中科技大学土木工程与力学学院,湖北武汉,430074 |
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| 摘 要： | 丹江口二桥是跨越南水北调工程——丹江口水库的一座特大桥,桥跨布置88.0m+150.0m+150.0m+88.0m,为预应力混凝土连续梁桥。桥墩基础为高桩承台,常年水位深达52.0m。2#墩桩长64m,桥面到桩底高度达到105.446m。该文介绍了该桥2#墩深水基础施工的主要过程。
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| 关 键 词： | 大跨 桥梁 深水基础 高桩承台 钢护筒 钻孔平台 |
Construction Technology of Deep-water Foundation of High Pile Base Slab of Long-span Bridge |
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| Chen Changwu,Liu Chaozhi,Luo Changhong,Dai Junjie.Construction Technology of Deep-water Foundation of High Pile Base Slab of Long-span Bridge[J].Urban Roads Bridges & Flood Control,2010(5):90-93. |
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| Authors: | Chen Changwu Liu Chaozhi Luo Changhong Dai Junjie |
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| Abstract: | Danjiangkou No.2 Bridge is an overlarge bridge crossing Danjiangkou Reservoir which is the South-to-North Water Diversion Project.The bridge is a prestressed concrete continuous girder bridge of which the arrangement of the bridge span is 88.0m+150.0m+150.0m+88.0m.The pier foundations are the high pile base slabs.The perennial water depth is 52m.The length of No.2 pier pile is 64m.The height from the deck to pile bottom is 105.446m.The article introduces the main construction process of No.2 pier deep-water foundation of this bridge. |
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| Keywords: | long span bridge deep-water foundation high pile base slab steel casing bored platform |
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