| 三门口跨海大桥陡坡裸岩区域钻孔桩基础施工技术 |
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| 引用本文： | 车明吉.三门口跨海大桥陡坡裸岩区域钻孔桩基础施工技术[J].国防交通工程与技术,2011,9(5):43-45. |
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| 作者姓名： | 车明吉 |
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| 作者单位： | 中铁十三局集团第一工程公司,辽宁大连,106033 |
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| 摘 要： | 针对浙江省象山县三门口跨海大桥岸边陡坡裸岩处桥墩钻孔桩施工中的难点，介绍了施工中通过采用水下剪刀撑、三角网格连接、水平承力系统拉结、灌注混凝土配重等技术措施，加强了钻孔平台的整体性和稳定性，成功完成了钻孔桩施工及承台钢吊箱围堰的施工作业。
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| 关 键 词： | 跨海大桥 陡坡裸岩 钻孔平台 水平承力系统 剪刀撑 |
Construction Techniques for the Bored-Pile Foundation of the Sanmenkou Sea-Crossing Bridge in the Steep Rock-Exposed Region |
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| Che Mingji.Construction Techniques for the Bored-Pile Foundation of the Sanmenkou Sea-Crossing Bridge in the Steep Rock-Exposed Region[J].Traffic Engineering and Technology for National Defence,2011,9(5):43-45. |
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| Authors: | Che Mingji |
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| Institution: | Che Mingji (The First Engineering Co. Ltd. of the 13th Bureau Group of the Railway Building Corporation of China,Dalian 106033,China) |
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| Abstract: | With greater stress placed on the introduction to the difficult points of the construction of the bored piles for the piers of the Sanmenkou Sea-crossing Bridge of the Xiangshan County, Zhejiang Province,which are located in a steep rock-exposed slope,elaborated in detail in the paper are technical measures adopted in the construction, such as the underwater shearing brace, the triangular grid connection, the level bearing system links, and the balancing weight for casting concrete, all of which help improve the integrity and stability of the hole-boring platform, and help complete the construction operation of both the bored piles and the steel hanging box cofferdam for the pile cap. |
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| Keywords: | sea-crossing bridge steep rock-exposed slope hole-boring platform level bearing capacity shearing brace |
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