| 旋挖钻机在桥梁混凝土灌注桩成孔中的应用 |
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| 引用本文： | 王德仙. 旋挖钻机在桥梁混凝土灌注桩成孔中的应用[J]. 山西建筑, 2009, 35(30): 323-324 |
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| 作者姓名： | 王德仙 |
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| 作者单位： | 中铁二十二局集团公司,北京,100043 |
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| 摘 要： | 以某特大桥墩基础施工为例,结合R622HDM旋挖钻机技术性能,介绍了R622HDM型大口径旋挖钻机的成孔工艺和施工过程,并对施工中常见问题进行了分析且提出了处理方法,总结得出了R622HDM型旋挖钻机的优点及不足。
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| 关 键 词： | 灌注桩 旋挖钻机 技术性能 施工过程 |
On application of rotary drilling rig in foundation holes of bored piles on bridges |
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| WANG De-xian. On application of rotary drilling rig in foundation holes of bored piles on bridges[J]. Shanxi Architecture, 2009, 35(30): 323-324 |
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| Authors: | WANG De-xian |
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| Affiliation: | WANG De- xian |
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| Abstract: | Taking the pier foundation construction of some super-large bridge as an example,the paper,combining with the technological performance of R622HDM rotary drilling rig,introduces the holing craft and construction process of R622HDM large-diameter rotary drilling rig,analyzes some common problems in the construction and points out the treatment methods,and concludes the advantages and shortages of R622HDM rotary drilling rig. |
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| Keywords: | bored piles rotary drilling rig technological performance construction process |
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