工程爆破

2009, v.15;No.55(01) 35-37

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采取深孔水压爆破提高钻孔桩施工进度
CONSTRUCTION SCHEDULE ADVANCEMENT OF DRILLING PILE BY DEEP HOLE WATER PRESSURE BLASTING

徐华轩;郑先奇;
XU Hua-xuan,ZHENG Xian-qi(China Railway 16th Bureau Group Co.,Ltd.,Beijing 100018,China)

摘要(Abstract):

在扼要地介绍了斜坡岩面钻孔桩施工常规方法的基础上,为了加快施工进度、提高施工效率,研究开发了"钻孔桩深孔水压爆破"法,经实际应用取得了令人满意的施工效果。本文重点叙述了钻孔桩深孔水压爆破设计与施工工艺,并与钻孔桩常规方法施工效果进行了分析对比,为类似工程提供了成功的经验。
After a brief discussion on conventional method of drilling pile used in construction of sloped crag surface,a technology of "deep hole water pressure blasting" for speeding up the construction and improving its efficiency was developed.The technology saw a satisfied construction effects when used in engineering practice.The present paper discussed in detail the design and construction technique of this technology,and made an effect comparison with conventional drilling pile,and offered successful experience for similar engineering in future.

关键词(KeyWords): 钻孔桩;斜坡岩面;深孔水压爆破法;常规方法
Drilling pile;Sloped rock surface;Deep hole water pressure blasting;Conventional method

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作者(Author): 徐华轩;郑先奇;
XU Hua-xuan,ZHENG Xian-qi(China Railway 16th Bureau Group Co.,Ltd.,Beijing 100018,China)

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