provided by the National Natural Science Foundation of China (Grant No.51004101,No.51264035);the Science Foundation for Young Scholars of China University of Mining &Technology (Grant No.2009A001);the Project Funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD);the Fundamental Research Funds for the Central Universities (2012QNA35)
This paper provides an improved understanding of the movement mechanisms of both bed-rock gully and sandy soil gully when underground mining occurs underneath,followed by systematic analysis of the contributing factor...
Financial support for this work, provided by the Research Fund of the Fundamental Research Funds for the Central Universities of China University of Mining & Technology (No. 2010ZDP02B02);the State Key Laboratory of Coal Resources and Mine Safety (No. SKLCRSM08X2);the Jiangsu "333" High Qualified Talents, the National Natural Science Foundation of China (Nos. 50904063 and 51004101);the Scientific Research Foundation of China University of Mining & Technology (Nos. 2008A003 and 2009A001)
Underground pressure is abnormal during mining of shallow coal seams under gullies. We studied gully slope movements, subject to underground mining, with physical simulation and theoretical analysis. The rules disclos...
provided by the Research Fund of the Fundamental Research Funds for the Central Universities of China University of Mining & Technology (No. 2010ZDP02B02);the State Key Laboratory of Coal Resources and Mine Safety (No.SKLCRSM08X2);the Jiangsu "333"High Qualified Talents;the National Natural Science Foundation of China (Nos. 50904063 and51004101);the Scientific Research Foundation of China University of Mining & Technology (Nos. 2008A003 and 2009A001)
We determi:ned a suitable gate road layout in slice mining in an ultra-thick unstable coal seam, using theoretical anallysis and numerical calculations. Based on plasticity theory in terms of limiting equilibrium, th...