Abstract
Traditionally large blast holes over 127 mm in diameter have been drilled by rotary or down-the-hole methods. Most of the blast holes are drilled vertically, which has been favourable from the drilling point of view.
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© 1986 Springer Science+Business Media Dordrecht
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Auranen, I. (1986). Benefits of inclined hole drilling in large open-pits and quarries by use of new top hammer technology. In: Mining Latin America / MinerĂa Latinoamericana. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-2286-5_2
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DOI: https://doi.org/10.1007/978-94-017-2286-5_2
Publisher Name: Springer, Dordrecht
Print ISBN: 978-0-900488-92-4
Online ISBN: 978-94-017-2286-5
eBook Packages: Springer Book Archive