| SY-SR250R旋挖钻机钻孔灌注桩施工质量控制 |
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| 引用本文： | 周川岭.SY-SR250R旋挖钻机钻孔灌注桩施工质量控制[J].铁道建筑技术,2010(9):72-74. |
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| 作者姓名： | 周川岭 |
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| 作者单位： | 中铁二十三局集团第三工程有限公司,成都,611130 |
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| 摘 要： | 根据成都枢纽成昆货车外绕线绕城高速立交双线特大桥的施工经验,在大桥桩基施工工艺上,采用SY-SR250R型旋挖钻机进行桩基开挖,提高了施工技术水平,减少了质量隐患,是钻孔灌注桩质量保证的有效举措。
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| 关 键 词： | 钻孔灌注桩 旋挖钻 质量控制 |
Construction Quality Control for Cast-in-situ Bored Pile with SY-SR250R Rotary Drilling Rig |
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| Zhou Chuanling.Construction Quality Control for Cast-in-situ Bored Pile with SY-SR250R Rotary Drilling Rig[J].Railway Construction Technology,2010(9):72-74. |
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| Authors: | Zhou Chuanling |
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| Institution: | Zhou Chuanling (China Railway 23(th) Bureau Group Co.Ltd.,Chengdu 611130,China) |
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| Abstract: | According to the construction experience of super double-track bridge of Chengdu Junction Bypassing Railway of Chengdu-Kunming Freight Line and based on the construction technology of pile foundations,SY-SR250R rotary drilling rigs manufactured in Sany Heavy Industry Co.,Ltd.are employed in the excavation of pile foundations for improving construction techniques,reducing concealed danger of quality and guaranteeing the quality of cast-in-situ bored piles effectively. |
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| Keywords: | cast-in-situ bored pile rotary drilling rig quality control |
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