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blasting explosives as applied as a carrier of energy is the main means of blasting and it depends on the success of mining . During the design process of mining selection of the best types of explosives are made on the basis of
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VIBRATIONS FROM UNDERGROUND BLASTING by James J, Snodgrass T a~~ David E. Siskind T ABSTRACT The Bureau of Mines has investigated vibration levels produced by blast ing at four underground sites to establish how such factors as type of explo sive, delay blasting, charge weight, and•geology affect amplitudes of ground motion.
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blasting material used for mining of limestone is, Drilling and blasting is the controlled use of explosives and other methods such as gas pressure blasting pyrotechnics, to break rock for excavationIt is practiced most often in mining, quarrying and civil engineering such as dam or road construction .
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Designing Blast Patterns Using Empirical Formulas A Comparison of Calculated Patterns With Plans Used in Quarrying Limestone and Dolomite, With Geologic Considerations By Joseph M. Pugliese Twin Cities Mining Research Center, Minneapolis, Minn . . US Department of Interior Office of Surface Mining Reclamation and Enforcement Kenneth K. Eltschlager
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Blasting Practices at Open Cast Mines | Ask Mining One can easily say that the most important part in extraction from an open cast mine is blasting and by following . For Iron ore mines :-1.