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Stress distribution rule of roadway affected by overhead mining in gently inclined coal seams groupKANG Qin-rong1, 2, TANG Jian-xin1, 2, HU Hai1, 2, ZHANG Wei-zhong1, 3(1. College of Resource and Environmental Sciences, Chongqing University, Chongqing 400030, China; 2. State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing 400030, China; 3. School......
Design Method and Performance for Large Stone Porous Asphalt Mixtures赵永利,黄晓明School of Transportation, Southeast University摘 要:Design method for large stone porous asphalt mixtures (LSPM) was analyzed to avoid the early distresses of semi-rigid asphalt pavements. Based on stone-to-stone skeleton structure concept, processes of LSPM gradation design......
Design of Small Stone Asphalt Mixture based on Anti-skidding Performance李蕊,裴建中Key Laboratory for Special Area Highway Engineering of Ministry of Education,Chang’an University摘 要:Small stone asphalt mixture(SSAM) was designed by Bailey method and coarse aggregate voids-filling method.The optimum asphalt content was determined by Marshal test.Surface......
Alkali desilicated coal fly ash as substitute of bauxite in lime-soda sintering process for aluminum production BAI Guang-hui(白光辉)1, TENG Wei(滕 玮)2, WANG Xiang-gang(王香港)1, QIN Jin-guo... 200433, China; 3. Pingshuo Coal Industry Company, Shuozhou 036006, China Received 6 July 2009; accepted 30 December 2009......
Structure and production fluid flow pattern of post-fracturing high-rank coal reservoir in Southern Qinshui BasinLIU Shi-qi(刘世奇)1, SANG Shu-xun(桑树勋)2, ZHU Qi-peng(朱启朋)2, LIU Hui-hu(刘会虎)3, GAO He... and hydraulic fracture of No.3 coal reservoir in Southern Qinshui Basin. Flow patterns of methane and water in pore-fracture system and hydraulic fracture were discussed by using limit method......
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J. Cent. South Univ. Technol. (2008) 15: 350-355 DOI: 10.1007/s11771-008-0066-z Settlement behavior of coal mine waste in different surrounding rock conditions MA Chun-de(马春德)1, LI Xi-bing(李夕兵)1, HU Bing-nan(胡炳南)2, CHEN Feng(陈 枫)1, XU Ji-cheng(徐纪成)1, LI Di-yuan(李地元)1 (1. School of Resources and Safety Engineering, Central South University, Changsha 410083, China; 2. Centre Coal Research......
-elements in coal fly ash by inductively coupled plasma mass spectrometry XIE Hua-lin(谢华林)1,2, TANG You-gen(唐有根)1, LI Yu-jie(李玉杰)1, LI Li-bo(李立波)2 (1. School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China; 2. Department of Chemistry, Hunan Institute of Technology, Hengyang 421008, China) Abstract: The contents of Cr, Cu, Ni, As, Cd and Pb in coal fly ash......
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