percussive drilling

释义

冲击钻探；

PercussiveDrilling
Diamond rock tools for percussive and rotary crushing rock drilling
Dynamics of ultrasonic percussive drilling of hard rocks
A theoretical and experimental study of the percussive drilling of rock part I—theory of percussive drilling
A theoretical and experimental study of the percussive drilling of rock Part II—force-penetration and specific energy determinations
A theoretical and experimental study of the percussive drilling of rock Part IV—application of the model to actual percussion drill...
Automatic monitoring of rotary-percussive drilling for ground characterization—illustrated by a case example in Hong Kong
A theoretical and experimental study of the percussive drilling of rock part III—experimental verification of the mathematical theory
Rotary and percussive drilling prediction using regression analysis
Microcomputer simulation of stress wave energy transfer to rock in percussive drilling