Comparing the “Modified Split and Fender” and “Shortwall” Methods for the Pillar Recovery in Room and Pillar Coal Mining Using A 3D Finite Difference Modeling in Tabas Central Coal Mine, Iran

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چکیده

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ژورنال

عنوان ژورنال: Journal of Aalytical and Numerical Methods in Mining Engineering

سال: 2019

ISSN: 2251-6565

DOI: 10.29252/anm.8.17.27