| 松花江水下爆破孔施工技术 |
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| 引用本文： | 赵大军,徐龙献,陈宝义.松花江水下爆破孔施工技术[J].探矿工程,1998(4):12-14. |
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| 作者姓名： | 赵大军 徐龙献 陈宝义 |
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| 作者单位： | 长春科技大学勘察工程系 |
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| 摘 要： | 在东北严寒季节，在松花江上施工水下爆破孔。介绍了施工设备及施工平台，根据不同地层分别采用静压振动下套管护壁及潜孔锤钻进方法，设计了风路系统，改进了套管妆方法，并采取了科学的管理方法，取产好的效果。
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| 关 键 词： | 水上施工 水下爆破孔 套管 平台 松花江 |
Underwater Blasthole Drilling Technique |
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| Zhao Dajun,Xu Longxian,Chen Baoyi.Underwater Blasthole Drilling Technique[J].Exploration Engineering(Drilling & Tunneling),1998(4):12-14. |
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| Authors: | Zhao Dajun Xu Longxian Chen Baoyi |
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| Abstract: | Underwater blastholes had been drilled under the Songhua River during the freezing season in the Northeast. The drilling equipment and operation platform are described. Depending on different formations, the static pressure vibration method was used to sink casings for hole wall protection and the DTH drilling method was employed. The air circuit system was designed with the casing connection method improved. The scientific management method was carried out. These resulted in fairly good effects. |
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| Keywords: | freezing drilling on waters underwater blasthole static pressure vibration casing down the hole hammer |
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