| 福州江滨地区超高层建筑灌注桩成孔工艺分析 |
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| 引用本文： | 张志刚.福州江滨地区超高层建筑灌注桩成孔工艺分析[J].探矿工程,2017,44(6):84-87. |
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| 作者姓名： | 张志刚 |
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| 作者单位： | 赣中南地质矿产勘查研究院 |
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| 摘 要： | 以福州江滨地区2个有代表性的超高层建筑桩基础工程实例为依据，通过无卡式冲击 正循环，旋挖 气举反循环，回转 泵吸反循环3种成孔工艺之间的比对，提出了在福州市江滨地区超大粒径厚层卵石与花岗岩地层灌注桩施工成孔工艺方面的一些见解，认为回转 泵吸反循环是较为可靠的工艺。
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| 关 键 词： | 超高层建筑 灌注桩 厚层卵石 花岗岩 回转 泵吸反循环成孔工艺 福州江滨地区 |
| 收稿时间： | 2016/10/10 0:00:00 |
| 修稿时间： | 2017/4/3 0:00:00 |
Borehole Completion Process of Cast-in-place Pile for Super High-rise Buildings in Fuzhou Riverside Area |
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| ZHANG Zhi-gang.Borehole Completion Process of Cast-in-place Pile for Super High-rise Buildings in Fuzhou Riverside Area[J].Exploration Engineering(Drilling & Tunneling),2017,44(6):84-87. |
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| Authors: | ZHANG Zhi-gang |
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| Institution: | Ganzhongnan Institute of Geology and Mineral Exploration |
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| Abstract: | Taking 2 representative prohect examples of super high-rise buildings in Fuzhou riverside area as the basis, by the process comparison of conventional percussion drilling normal circulation drilling, rotary drilling air lift reverse circulation drilling and rotary drilling pump suction reverse circulation drilling, some opinions are presented for the grouting pile drilling construction in thick layer of super large-size gravel and granite formation in Fuzhou riverside area, rotary drilling pump suction reverse circulation process is decided to be reliable. |
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| Keywords: | super high-rise buildings cast-in-place pile thick layer of gravel granite borehole completion by rotary drilling pump suction reverse circulation drilling Fuzhou riverside |
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