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| 凹凸型钻孔灌注桩施工技术 | |
| 引用本文： | 秦宗付.凹凸型钻孔灌注桩施工技术[J].探矿工程,1996(6):30-31,41. |
| 作者姓名： | 秦宗付 |
| 作者单位： | 安徽省煤田地质局第二勘探队 |
| 摘 要： | 在砂层摩阻力不够的情况下，采用凹凸型钻孔灌注桩施工提高单桩承载力，获得成功。介绍了凹凸型钻孔灌注桩的设计，施工方法及应用效果。 |
| 关 键 词： | 凹凸型 钻孔灌注桩 打点法 施工技术 |
Concave-convex Type Bored Pile Drilling Technique |
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| Qin Zongfu.Concave-convex Type Bored Pile Drilling Technique[J].Exploration Engineering(Drilling & Tunneling),1996(6):30-31,41. | |
| Authors: | Qin Zongfu |
| Abstract: | In the case of insufficient friction resistance in sandy formation,the single pile bearing capacity is successfully increased by forming a concaveconvex type bored pile. The design,construction andresults of the concave-convex bored pile are described. |
| Keywords: | Concave-convex bored pile concave-convex forming with controlled bit weight at high rotary speed marking method |
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