| 嘉绍跨江大桥φ3.8 m钻孔灌注桩孔施工工艺 |
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| 引用本文： | 王自强,张辉,张宁,杨宗仁.嘉绍跨江大桥φ3.8 m钻孔灌注桩孔施工工艺[J].探矿工程,2012,39(1):61-64. |
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| 作者姓名： | 王自强 张辉 张宁 杨宗仁 |
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| 作者单位： | [1]上海广联建设发展有限公司,上海200438 [2]河北金汇岩土工程有限公司,河北石家庄050031 |
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| 摘 要： | 介绍了嘉绍跨越钱塘江特大桥Ф3．8m超大直径超深桩孔施工工艺技术，主要包括钢护筒沉放、泥浆循环系统布置、钻机及钻头的选择、护壁泥浆性能及钻进工艺参数的确定以及钻孔施工过程中采取的主要技术措施等。
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| 关 键 词： | 大直径桩孔 钻孔灌注桩 施工工艺 嘉绍跨江大桥 |
| 收稿时间： | 2011/10/13 0:00:00 |
| 修稿时间： | 2011/10/15 0:00:00 |
Drilling Construction Technology of 03.8 m Bored Grouting Pile in Jiaxing - Shaoxing River-spanning Bridge |
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| WANG Zi-qiang,ZHANG Hui,ZHANG Ning and YANG Zong-ren.Drilling Construction Technology of 03.8 m Bored Grouting Pile in Jiaxing - Shaoxing River-spanning Bridge[J].Exploration Engineering(Drilling & Tunneling),2012,39(1):61-64. |
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| Authors: | WANG Zi-qiang ZHANG Hui ZHANG Ning and YANG Zong-ren |
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| Institution: | 2 ( 1. Shanghai Guanglian Construction and Development Co., Ltd., Shanghai 200438, China; 2. Hebei Jinhui Geo-engineering Co., Ltd., Shijiazhuang Hebei 050021, China) |
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| Abstract: | The drilling construction technology of borehole with super-large diameter of 3.8m in Jiaxing-shaoxing riverspanning bridge is introduced： steel casing sinking, mud circulation system arrangement, drill and bit selection, performance of wall protection mud and technical parameters determination and main technical measures in drilling construction process. |
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| Keywords: | large diameter pile hole bored grouting pile construction technology Jiaxing-shaoxing river-spanning bridge |
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