| 东海大桥主墩大直径钻孔灌注桩钻头设计 |
| |
| 引用本文： | 王文明,吴初兴.东海大桥主墩大直径钻孔灌注桩钻头设计[J].探矿工程,2004,31(12):30-32. |
| |
| 作者姓名： | 王文明 吴初兴 |
| |
| 作者单位： | 上海广联建设发展有限公司;上海广联建设发展有限公司 |
| |
| 摘 要： | 针对钻头包泥堵钻和钙质胶结层难以进尺等影响钻进效率的几个问题，对刮刀钻头结构进行了改进设计，并取得了令人满意的效果。
|
| 关 键 词： | 东海大桥 主墩 钻孔灌注桩 钻头 导向钻头 刮刀钻头 切削齿 |
| 收稿时间： | 2004/6/30 0:00:00 |
| 修稿时间： | 2004/10/28 0:00:00 |
Bit Design for Main Pier Bored Piles of Donghai Bridge |
| |
| WANG Wen-ming and WU Chu-xing.Bit Design for Main Pier Bored Piles of Donghai Bridge[J].Exploration Engineering(Drilling & Tunneling),2004,31(12):30-32. |
| |
| Authors: | WANG Wen-ming and WU Chu-xing |
| |
| Institution: | Shanghai Guangliang Construction Development Limited Company;Shanghai Guangliang Construction Development Limited Company |
| |
| Abstract: | Aimed at resolve the several problems which affect drilling efficiency, such as balling up and calcareous cementation , the design of blade bits was modified. And the results of the modification are satisfying. |
| |
| Keywords: | Donghai Bridge main pier bored piles bit pilot bits blade bit cutter |
|
| 点击此处可从《探矿工程》浏览原始摘要信息 |
| 点击此处可从《探矿工程》下载免费的PDF全文 |
