| 杭州湾跨海大桥大直径超长桩基础桩底压浆的关键技术 |
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| 引用本文： | 马成军.杭州湾跨海大桥大直径超长桩基础桩底压浆的关键技术[J].工程建设与设计,2013(5):87-89. |
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| 作者姓名： | 马成军 |
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| 作者单位： | 河北省石家庄市平山县交通运输局地方道路管理站,河北平山,050400 |
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| 摘 要： | 杭州湾跨海大桥主塔桩基础为大直径超长群桩基础,对全部38根桩进行了桩底后压浆,有效地提高了桩基承载力和整体刚度,减少了基础的不均匀沉降。重点介绍大规模群桩基础通过桩底压浆提高承载力的机理、压浆工艺及压浆效果。
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| 关 键 词： | 杭州湾跨海大桥 群桩基础 桩底压浆 承栽力 机理 压浆工艺 效果 |
Hangzhou Bay Sea-crossing Bridge Super Long Large Diameter Pile Foundation Pile Bottom Grouting Technology |
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| MA Cheng-Jun.Hangzhou Bay Sea-crossing Bridge Super Long Large Diameter Pile Foundation Pile Bottom Grouting Technology[J].Construction & Design for Project,2013(5):87-89. |
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| Authors: | MA Cheng-Jun |
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| Affiliation: | MA Cheng -Jun (Transportation Bureau Local Road Station Shij iazhuang County, Pingshan 050400,China) |
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| Abstract: | Hangzhou Bay Bridge Main Pylon pile foundation for large diameter overlength pile group foundation, for all 38 piles of pile bottom post pressure grouting, and effectively improve the bearing capacity of pile foundation and the overall rigidity, reduces the nonuniform settlement of foundation.Focusing on mass group pile foundation by grouting pile to improve the bearing capacity of the mechanism, grouting technology and grouting effect. |
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| Keywords: | Hangzhou Bay Sea-crossing Bridge pile foundation pile bottom grouting bearing capacity mechanism grouting technology effect |
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