The Modern Technique of Rock BlastingWiley, 1978 - 438 halaman |
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Halaman 10
... supply , electricity from water power plants , they all started their life with a round of explosives . The technique of rock blasting opens new opportunities for a wider and better use of underground space in cities , in communication ...
... supply , electricity from water power plants , they all started their life with a round of explosives . The technique of rock blasting opens new opportunities for a wider and better use of underground space in cities , in communication ...
Halaman 99
... supplies the compressed air is of a type which blows out the over - pressure of the loading tube when shut off . The internal longitudinal grooves of the tube render the formation of tight plugs more difficult . Cartridges with a spiral ...
... supplies the compressed air is of a type which blows out the over - pressure of the loading tube when shut off . The internal longitudinal grooves of the tube render the formation of tight plugs more difficult . Cartridges with a spiral ...
Halaman 376
... . Shelters i . Defence facilities j . Nuclear waste 13.3 . Economy FIG . 13 : 1 . Geological areas of the earth ( Courtesy AB Skånska Cement . gjuteriet ) . plentiful supply of suitable areas good supply of suitable areas 376.
... . Shelters i . Defence facilities j . Nuclear waste 13.3 . Economy FIG . 13 : 1 . Geological areas of the earth ( Courtesy AB Skånska Cement . gjuteriet ) . plentiful supply of suitable areas good supply of suitable areas 376.
Isi
Symbols used | 16 |
Calculation of the charge General part | 28 |
6 | 38 |
Hak Cipta | |
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Edisi yang lain - Lihat semua
Istilah dan frasa umum
advance per round Ammonit amplitude AN-oil angle of breakage applies bench blasting bench height blasting gelatine bottom charge burn cuts calculated cartridges cm/m column charge concentration of charge connection contour corresponding cracks cylinder cuts damage degree of packing deviation diagram distance dm³ drill hole drilled depth drilling pattern dynamite effect empty hole energy example explosive faults flash-over fragmentation frequency gives greater ground vibrations ignition pattern increased indicated instantaneous interval kg/m kg/m³ Langefors-Kihlström lb/cu.ft lb/ft less loader lower maximum burden meter mm/s multiple-row rounds Nabit Nitroglycerin Nonel number of holes obtained ordinary delay overcharge parallel hole cuts pneumatic possible presplitting pressure reduced risk rock blasting rock factor row of holes shock wave slope smooth blasting specific charge sq.ft stoping Sweden Täby throw tion tunnel underwater blasting V₁ vertical vibration velocity vibrogram weight strength width