Roof Control Methods at Longwall Faces in Ikeshima Colliery.
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چکیده
منابع مشابه
Stability Control of Retained Goaf-Side Gateroad under Different Roof Conditions in Deep Underground Y Type Longwall Mining
Stability of the retained goaf-side gateroad (RGSG) is influenced mainly by the movements of the roof strata near coal seam after coalface passes by. To make effective controlling technology for the stability of the RGSG, we analyze the roof structure over the RGSG to illustrate the mechanism causing the RGSG instability under different roof conditions. We then examine the dynamic evolution of ...
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ژورنال
عنوان ژورنال: Shigen-to-Sozai
سال: 1997
ISSN: 0916-1740,1880-6244
DOI: 10.2473/shigentosozai.113.780