raise boring für goldmine

Raise bore drilling: mining South Africa's heart of gold - Mining ...

Nov 15, 2012 ... A raise borer is a machine used in underground mining operations to bore a .... AngloGold Ashanti's Savuka gold mine is situated in Gauteng,...

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Thyssen Mining - Raiseboring

Mar 30, 2016 ... Thyssen Mining has been providing raise boring services to the mining and civil construction industries since 1976. Throughout North and...

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Raise borer - Wikipedia

A raise borer is a machine used in underground mining, to excavate a circular hole between two levels of a mine without the use of explosives. The raise borer is...

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Raise Boring Rig (RBR) - Herrenknecht AG

The Raise Boring Rig (RBR) developed by Herrenknecht is designed for the construction of shafts in rock down to 2,000 meters in depth. Thanks to its compact...

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Raise-boring experiences in the gold mines of the Anglo ... - SAIMM

... the objective of making raise-boring an economically viable technique in hard abrasive rock. ... raise-boring as a means of mechanising the arduous job of developing ...... appeal of raise- boring to gold mine managers - so much so, that the.

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