| 桩基取芯检测施工工艺 |
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| 引用本文： | 胡文华,黄朝阳,张晓东.桩基取芯检测施工工艺[J].福建地质,2002,21(3):166-168. |
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| 作者姓名： | 胡文华 黄朝阳 张晓东 |
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| 作者单位： | 福建省第四地质大队,宁德,352100 |
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| 摘 要： | 介绍了福宁高速公路部分高架桥跨海大桥桩基钻探取芯检测施工工艺，研究采用了φ89mm套管作钻杆，单动双管钻具钻进，从而保证了钻孔垂直度及砼芯采取率的较高质量要求。
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| 关 键 词： | 桩基 施工工艺 钻孔垂直度 砼芯采取率 钻头 扩孔器 |
| 修稿时间： | 2001年12月25 |
On Working Technique of Coring and Detection in the construction of the Pile Foundation |
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| Hu Wenhau,Huang Zhaoyang,Zhang Xiaodong.On Working Technique of Coring and Detection in the construction of the Pile Foundation[J].Geology of Fujian,2002,21(3):166-168. |
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| Authors: | Hu Wenhau Huang Zhaoyang Zhang Xiaodong |
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| Abstract: | The paper focuses on the discussion of working technique of coring and detection in the construction of some pile foundation of the sea-spanning bridge which is one part of Fu'an Express Highway. The technique is to use the 89-mm-wider socket tubes as drilling rods and make holes by the single-action twin-pipe drilling tools, which can ensure the perpendicularity of boreholes and the percentage recovery of concrete cores in the construction of bridge piers. |
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| Keywords: | borehole perpendicularity single-action twin-pipes percentage recovery of concrete cores |
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