| 大直径超长嵌岩桩基成孔施工技术 |
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| 引用本文： | 自杰,朱德利. 大直径超长嵌岩桩基成孔施工技术[J]. 城市道桥与防洪, 2011, 0(10): 82-86,9 |
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| 作者姓名： | 自杰 朱德利 |
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| 作者单位： | 中交一公局厦门工程有限公司,福建厦门,361021 |
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| 摘 要： | 该文介绍了浙江省椒江二桥主塔近140 m长桩基的施工。在施工过程中进行了优化,对工艺进行了改进,尤其是在钻头上方适当位置增加了"扶正器",保证了桩基的倾斜率,确保了桩基顺利成孔。顺利灌注完成后,经最终检测全部为Ⅰ类桩。
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| 关 键 词： | 大直径 超长嵌岩桩 成孔施工 技术 |
Large Diameter Super Long Rock Socketed Pile Foundation Borehole Construction Technology |
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| Zi Jie,Zhu Deli. Large Diameter Super Long Rock Socketed Pile Foundation Borehole Construction Technology[J]. Urban Roads Bridges & Flood Control, 2011, 0(10): 82-86,9 |
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| Authors: | Zi Jie Zhu Deli |
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| Affiliation: | Zi Jie,Zhu Deli |
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| Abstract: | The article introduces the construction of 140-m long pile foundation of main pylon for Zhejiang Province Jiaojiang Bridge.It is optimized in the construction process and the technology is improved.Especially,the centralizer is added at the proper position above the drill bit to guarantee the inclination rate of pile foundation and ensure the smooth borehole of pile foundation.After the smooth pouring,all piles are finally tested and inspected as Class I piles. |
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| Keywords: | Large diameter super long rock socketed pile borehole construction technology |
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