气动或液动冲击回转双管正循环钻进工艺及MD-100型锚固工程钻机

Pneumatic or Hydraulic Percussive-rotary Dual Tube Normal Circulation Drilling Process and MD-100 Anchor Drill

摘要:

针对岩土锚固成孔的难题,提出适合复杂地层锚固钻进的新工艺"双管钻进”工艺,并结合新工艺应用,研制了新型锚固工程钻机.详细介绍了"双管钻进”方法和钻机情况.

Abstract:

A new process suitable for anchor drilling in difficult formation, Dual Tube Drilling Process, is put forward in respect of the difficulty in anchor hole completion. A new anchor drill has been successfully developed. The dual tube drilling process and the anchor drill is detailed.