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21 results returnedPermissible electrically operated post drills and drilling machines
Drilling and sampling with a wagon drill
Diamond drilling blast holes, Balmat Mine, St. Lawrence County, N.Y.
Diamond-drilling blast holes, Bellefonte Mine, National Gypsum Co., Centre County, Pa.
Diamond-drilling blast holes, Eastern Magnetite Mine C
Blast-hole diamond drilling in California mines
Bureau of Mines well-bore caliper
Diamond-bit performance in schist
Diamond-bit performance in limestone and dolomite
Diamond-bit performance in sandstone
Diamond-bit performance in cherty limestone and cherty dolomite
Use of a continuous borer in mining pitching anthracite beds
Stresses and displacements induced in rock by tunnel boring machine props
Design and development of drill equipment
Energetics of percussive drills-longitudinal strain energy
Prediction of penetration rate for percussive drilling
Drillability studies :percussive drilling in the field
Tunneling machine research :development of an experimental full-scale research rock cutting device
Tunneling machine research :interaction between disk-cutter grooves in rocks
Tunneling machine research :size distribution of rock fragments produced by rolling disk cutters
Correlation of laboratory cutting data with tunnel boring machine performance
Published Year
Subject
- Boring machinery (21) *
- Diamond bits (7)
- Rock-drills (4)
- Tunneling--Equipment and supplies (4)
- Blasting (3)
- Boring (3)
- Mining machinery (3)
- Dolomite (2)
- Limestone (2)
- Percussion drilling (2)
- Tunneling (2)
- Coal mines and mining (1)
- Coal-mining machinery (1)
- Cutting machines (1)
- Magnetite mines and mining--Equipment and supplies (1)
- Mine ventilation (1)
- Mines and mineral resources--California (1)
- Mines and mineral resources--Pennsylvania--Centre--Equipment and supplies (1)
- Sandstone (1)
- Schists (1)
- Strains and stresses (1)
- Well drillers (1)
- Zinc mines and mining--New York (State)--Saint Lawrence County--Equipment and supplies (1)
Author
- Long, Albert E. (4)
- Rad, Parviz F. (4)
- Mosier, McHenry. (3)
- Schmidt, Robert L. (2)
- Anderson, C. F. (1)
- Armstrong, F. E. (1)
- Blake, Wilson. (1)
- Bruce, William E. (1)
- Brunot, H. B. (1)
- Butner, D. W. (1)
- Cervik, Joseph, (1)
- Duvall, Wilbur I. (1)
- Gallagher, Michael J., (1)
- Gleim, E. J. (1)
- Hadden, J. D. (1)
- Hamontre, H. C. (1)
- Hausen, Donald M. (1)
- Ilsley, L. C. (1)
- Johnson, George H. (1)
- Lundquist, Robert G. (1)
- Mueller, F. G. (1)
- Olson, Richard C. (1)
- Olson, Richard C., (1)
- Schimmel, J. T. (1)
- Selim, A. Aly. (1)
- Soul©Øe, J. H. (1)
- Tavenner, William H. (1)
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