| 正循环回转钻机在砂砾层的反循环应用 |
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| 引用本文： | 苏德刚. 正循环回转钻机在砂砾层的反循环应用[J]. 山西建筑, 2007, 33(24): 122-122 |
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| 作者姓名： | 苏德刚 |
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| 作者单位： | 玉田县交通局工程队,河北,玉田,064100 |
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| 摘 要： | 结合具体工程实例,根据施工经验,针对桥梁钻孔桩施工中遇到的砂砾层过厚、砾石粒径过大时,采用利用正循环回转钻机在砂砾层反循环应用的方法,并得出了该法施工效果较好的结论。
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| 关 键 词： | 正循环回转钻机 砂砾层 反循环桥梁 |
| 文章编号： | 1009-6825（2007）24-0122-01 |
| 修稿时间： | 2007-03-19 |
The application of normal-circulation rotator in reveres circulation drilling in sandy gravel stratum |
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| SU De-gang. The application of normal-circulation rotator in reveres circulation drilling in sandy gravel stratum[J]. Shanxi Architecture, 2007, 33(24): 122-122 |
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| Authors: | SU De-gang |
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| Abstract: | Combined with practical work and construction experiences,in view of the situations encountered in construction process,such as over thickness of sandy gravel stratum and oversize gravel reveres circulation drilling method is introduced utilizing normal-circulation rotator,which receive good effect in practice. |
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| Keywords: | normal-circulation rotator sandy gravel stratum reveres circulation drilling bridge |
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