The Modern Technique of Rock BlastingWiley, 1978 - 438 halaman |
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Halaman 363
... cable and blasting machine , you can have a greater number of detonators in the round . The loss of energy in the cable is much higher in parallel con- nection . In a 200 shot round with 5 ohm per shot and requiring , say , 0.6 amp each ...
... cable and blasting machine , you can have a greater number of detonators in the round . The loss of energy in the cable is much higher in parallel con- nection . In a 200 shot round with 5 ohm per shot and requiring , say , 0.6 amp each ...
Halaman 419
... cable English burn cut cable galería de cables jaula mineral calcáreo calcular fulminante , detonador capacidad cable shaft cage calciferous ore calculate cap capacity charón ) costo del capital capital costs Swedish brännkil kabel ...
... cable English burn cut cable galería de cables jaula mineral calcáreo calcular fulminante , detonador capacidad cable shaft cage calciferous ore calculate cap capacity charón ) costo del capital capital costs Swedish brännkil kabel ...
Halaman 426
... cable detonador ignite ignition ignition cable horisontal takbrytning med igensättning liggare slang hus husgrund tända tändning tändkabel ción inclinar incline inclinación inclination tändplan luta lutning inclinación de barreno ...
... cable detonador ignite ignition ignition cable horisontal takbrytning med igensättning liggare slang hus husgrund tända tändning tändkabel ción inclinar incline inclinación inclination tändplan luta lutning inclinación de barreno ...
Isi
Symbols used | 16 |
Calculation of the charge General part | 28 |
Calculation of the charge Practical application | 69 |
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Istilah dan frasa umum
advance per round Ammonit ammonium nitrate AN-oil angle of breakage bench blasting bench height blasting gelatine bottom charge burn cuts calculations cartridges cm/m column charge concentration of charge connection corresponding cracks cylinder cuts damage degree of packing detonators deviation diagram distance dm³ drill hole drilled depth drilling cost drilling pattern dynamite effect electric empty hole energy example 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/cu.yd lb/ft loading tube lower maximum burden meter multiple-row rounds Nabit Nitroglycerin Nonel number of holes obtained ordinary delay parallel hole cuts practical burden presplitting pressure reduced risk rock blasting rock factor row of holes shock wave slope smooth blasting specific charge sq.ft stoping Sweden swelling Täby throw tion tunnel underwater blasting V₁ velocity vertical weight strength width