ABSTRACT

ABSTRACT: The local mine stiffness concept has been investigated by a numerical analysis to provide guideline for longwall pillar design in bump-prone coal beds. The results show that local mine stiffness can be used in evaluation of longwall mine design and in control of pillar bumps.

Keywords:
metals & mining, displacement, pillar stiffness, south african institute, chain pillar, relation, coal, proceedings, stability, longwall face
Subjects:
Information Management and Systems, Data mining
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1994. A.A. Balkema - Permission to Distribute - American Rock Mechanics Association
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