【摘 要】
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<正> A two-dimensional numerical model of a large (1 000 m×200 m) section ofmine strata in the vicinity of seam 349 in Iongwali panel 802 in part B of the
【机 构】
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FacultyofMiningandGeology,KatowiceCoalHoldingCompany
【基金项目】
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AcknowledgementsThe authors wish to express their appreciation to Mr Grzegorz Smolnik from the Silesian University of Technology as well as to Dr Grzegorz Stacha and Mr Waldemar Franczuk from the Murc