CRUSHED

作品数：53被引量：55H指数：4
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相关机构：中国农业大学清华大学更多>>
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Hydraulic support crushed mechanism for the shallow seam mining face under the roadway pillars of room mining goaf被引量：9
《International Journal of Mining Science and Technology》2017年第5期853-860,共8页Wang Fangtian Duan Chaohua Tu Shihao Liang Ningning Bai Qingsheng 
financially supported by the Fundamental Research Funds for the Central Universities of China(NO.2015XKMS002);the Priority Academic Program Development of Jiangsu Higher Education Institutions of China;gratefully acknowledge financial support of the above-mentioned agencies
While the fully-mechanized longwall mining technology was employed in a shallow seam under a room mining goaf and overlained by thin bedrock and thick loose sands, the roadway pillars in the abandoned room mining goaf...
关键词：Shallow seam ROOM MINING GOAF LONGWALL MINING Hydraulic support CRUSHED MECHANISM Safe and efficient MINING 
Theoretical Calculation of Effect Range of Shock Wave of Blasting
《International Journal of Mining Science and Technology》1998年第2期149-152,共4页田建胜 东兆星 程玉生 王钦福 
Based on the theories of shock wave and energy,this paper inquires into the effect range of shock wave in rock blasting with cylindrical coupling charges, and a new method for calculating the effect range is developed...
关键词：shock wave radius of CRUSHED zone cylindrical coupling charge EFFECT RANGE rock BLASTING 
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