Results 121 to 127 of about 138 (127)

Weak zone characterization using full drilling analysis of rotary-percussive instrumented drilling

International Journal of Rock Mechanics and Minings Sciences, 2016
Z Q Yue
exaly  

Real-Time Estimation of Rock Strength Using Mwd in a Percussive-Rotary Drilling System: Theoretical Model and Field Validation

Yang Zhou, Hongpeng Lai, Jinglai Sun, Ang Li, Qiuyang Hong   +4 more
openaire   +1 more source

Rotary and percussive drilling prediction using regression analysis

International Journal of Rock Mechanics and Minings Sciences, 1999
Sair Kahraman
exaly  

The optimization of the operational parameters of a rotary percussive drilling machine using the Taguchi method

World Journal of Engineering, 2018
exaly  

Assessment of rock strength by a new drillability index in percussive-rotary drilling

Bulletin of Engineering Geology and the Environment
Feng Shangxin
exaly  

Percussive rotary drilling law of granite under high temperature and high pressure

岩土工程学报, 2010
openaire   +1 more source

Review of theoretical, experimental, and numerical studies on rotary percussive rock drilling

International Journal of Mining, Reclamation and Environment
exaly