| 孵漂石地层大口径钻头与钻进工艺的选择 |
| |
| 引用本文： | 荆和平,经明,等.孵漂石地层大口径钻头与钻进工艺的选择[J].地质与勘探,2001,37(4):79-80. |
| |
| 作者姓名： | 荆和平 经明 |
| |
| 作者单位： | 山西冶金岩土工程勘察总公司, |
| |
| 摘 要： | 根据工程实例，通过钻头和钻进工艺的对比试验，得出了利用大直径滚刀钻头，在致密卵漂石地层施工中大口径桩孔，能大幅度提高钻进效率。
|
| 关 键 词： | 钻孔灌注桩 孵漂石地层 冲击反循环 滚刀钻头 钻进工艺 钻进效率 |
| 文章编号： | 0495-5331(2001)04-0079-02 |
| 修稿时间： | 2000年5月10日 |
THE ALTERMATIVE OF LARGE DIAMETER BORED BIT AND DRILLING TECHNOLOGY IN THE BOULDER BED |
| |
| JING He-ping,JING Ming,LIU Ning-sheng.THE ALTERMATIVE OF LARGE DIAMETER BORED BIT AND DRILLING TECHNOLOGY IN THE BOULDER BED[J].Geology and Prospecting,2001,37(4):79-80. |
| |
| Authors: | JING He-ping JING Ming LIU Ning-sheng |
| |
| Abstract: | According to th concrete examples,through comparative test between bit and drilling technology we came to the conclusing that the use of large diameter rolling-cutter-type bit could raise greatly the drilling efficiency wher large diameter bored piles are operated in the compact boulder bed. |
| |
| Keywords: | large diameter bored piles boulser bde reverse parcussive circulation rolling-cuter-type bit |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
| 点击此处可从《地质与勘探》浏览原始摘要信息 |
| 点击此处可从《地质与勘探》下载免费的PDF全文 |
