| 反井钻机在公路隧道通风竖井钻孔施工中偏斜的控制 |
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| 引用本文： | 董鑫.反井钻机在公路隧道通风竖井钻孔施工中偏斜的控制[J].筑路机械与施工机械化,2007,24(9):48-49,52. |
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| 作者姓名： | 董鑫 |
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| 作者单位： | 陕西省交通厅基本建设工程质量监督站,陕西,西安,710068 |
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| 摘 要： | 针对秦岭终南山特长公路隧道1号通风竖井工程,采用BMC-300型反井钻井法施工。分析了采用全机械化作业反井钻孔产生偏斜的原因,改善和增加钻孔施工时影响精度的预防措施,有效地控制了钻孔施工的精度和偏斜。
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| 关 键 词： | 公路隧道 通风竖井 钻孔施工 偏斜控制 |
| 文章编号： | 1000-033X（2007）09-0048-02 |
| 修稿时间： | 2007-01-02 |
Declination of Raise Drill in Excavate Pilot Ventilation Shaft Controlled in the Construction of Road Tunnel |
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| DONG Xin.Declination of Raise Drill in Excavate Pilot Ventilation Shaft Controlled in the Construction of Road Tunnel[J].Road Machinery & Construction Mechanization,2007,24(9):48-49,52. |
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| Authors: | DONG Xin |
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| Abstract: | The No.1 ventilation shaft construction technology of Extra-long Highway Tunnel of Qinling Zhon-gnan Mountain used BMC-300 type raise boring method.This paper analyzes the cause of the declination in a raise mechanisation boring and improves the measures to prevent and reduce the factors to influence the precision and declination in construction of pilot hole.The method controlled the precision and declination in construction of pilot hole. |
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| Keywords: | highway tunnel ventilation shaft construction of pilot hole declination control |
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