| 京沪高速铁路跨越长江特大桥桩孔施工技术 |
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| 引用本文： | 杨宗仁,张西坤,杨冬冰.京沪高速铁路跨越长江特大桥桩孔施工技术[J].探矿工程,2009,36(3):48-52. |
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| 作者姓名： | 杨宗仁 张西坤 杨冬冰 |
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| 作者单位： | [1]河北大直径工程井建设有限公司,河北石家庄050031; [2]河北建设勘察研究院有限公司钻探机械厂,河北石家庄050031 |
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| 摘 要： | 介绍了京沪高速铁路南京大胜关长江大桥桩孔工程施工的主要工艺技术。根据工程的特点,选择主要施工设备、钻头和刀具的具体形式。根据施钻区域的工程地质条件和设备能力,具体选择钻压、转速等钻进工艺参数。并讨论了获得最佳进尺效率与工艺参数之间的关系。
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| 关 键 词： | 桩基 钻孔 施工技术 钻进参数 京沪高速铁路 |
| 收稿时间： | 2008/11/14 0:00:00 |
Drilling Construction Technology in Super-large Bridge for Jing-Hu High-speed Railway Crossing Yangtze River |
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| YANG Zong-ren,ZHANG Xi-kun and YANG Dong-bing.Drilling Construction Technology in Super-large Bridge for Jing-Hu High-speed Railway Crossing Yangtze River[J].Exploration Engineering(Drilling & Tunneling),2009,36(3):48-52. |
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| Authors: | YANG Zong-ren ZHANG Xi-kun and YANG Dong-bing |
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| Institution: | YANG Zong-ren , ZHANG Xi-kun, YANG Dong-bing ( 1. Hebei Large Diameter Engineering Well Construction Co. , Ltd. , Shijiazhuang Hebei 050031, China; 2. Drilling Machinery Factory of Hebei Construction Exploring Institute Co. , Ltd. , Shijiazhuang Hebei 050031, China) |
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| Abstract: | The paper introduced the main technology of drilling construction for Dashengguan Changjiang brigde of Jing - Hu high-speed railway. Main construction equipments, concrete forms of drilling bits and cutting tools were selected according to the engineering characteristics; bit weight, rotating speed and other process parameters were selected according to the engineering geological conditions and equipment capacity. The relationship between optimum footage efficiency and process parameters was obtained by discussion. |
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| Keywords: | pile foundation borehole construction technology drilling parameter Jing - Hu high-speed railway |
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