On the Application of Outer-hole Blast in Medium Length Hole

YIN Hong. On the Application of Outer-hole Blast in Medium Length Hole[J]. Nonferrous Metals Science and Engineering, 2009, 23(3): 21-22, 41.

Citation:

YIN Hong. On the Application of Outer-hole Blast in Medium Length Hole[J]. Nonferrous Metals Science and Engineering, 2009, 23(3): 21-22, 41.

Citation:

YIN Hong. On the Application of Outer-hole Blast in Medium Length Hole[J]. Nonferrous Metals Science and Engineering, 2009, 23(3): 21-22, 41.

Abstract

The impacts of geological structure and ground pressure are likely to result in the collapse of preparatory project and deformation of medium length hole in block caving mining. Outer-hole delay blast has been applied in the cluster blasts Tieshanlong Tungsten Mine.

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