Determination of the effect of roof pres
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Niyazi Bilim; Δ°hsan Γzkan
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Article
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2008
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Elsevier Science
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English
β 847 KB
Mechanized longwall mines require a systematic excavation schedule to control roof stress. Excavation sometimes becomes easier when the cutting cycle is interrupted and the face is subjected to in-situ strain, because the excavation machine may perform more efficiently. However, under those circumst