共搜索到3691条信息，每页显示10条信息，共370页。用时：0小时0分0秒681毫秒
; Performance of cemented coal gangue backfill ZHANG Qin-li(张钦礼), WANG Xin-min(王新民) (School of Resources and Safety Engineering, Central South University, Changsha 410083, China) Abstract: Possibility of cemented gangue backfill was studied with gangue of Suncun Coal Mine, Xinwen Coal Group, Shandong, and fly ash of nearby thermal power plant, in order......
J. Cent. South Univ. (2017) 24: 1252-1262 DOI: 10.1007/s11771-017-3529-2 Particle size distribution of coal and gangue after impact-crush separation YANG Dao-long(杨道龙)1, LI Jian-ping(李建平)1, DU Chang... and gangue, the mineral material impact experiments were conducted utilizing the hardness difference between coal and gangue according to the uniaxial compression experiments. The broken coal and gangue......
J. Cent. South Univ. (2016) 23: 1883-1889 DOI: 10.1007/s11771-016-3243-5 Conversion of coal gangue into alumina, tobermorite and TiO2-rich material LUO Jun(罗骏), LI Guang-hui(李光辉), JIANG Tao(姜涛...-Verlag Berlin Heidelberg 2016 Abstract: A large amount of coal gangue from coal mining and processing is regarded as waste and usually stockpiled directly. In order to recycle the valuable elements......
Microscopic Pore and Filling Performance of Coal Gangue Cementitious Paste王忠昶1,2,WANG Zechuan1,ZHAO Wenting11. School of Civil and Safety Engineering,Dalian Jiaotong University2. The State Key Laboratory of Coastal and Offshore Engineering,Dalian University of Technology摘 要:To obtain the influence laws of the fine gangue rate on the properties of coal......
Early Hydration of Composite Cement with Thermal Activated Coal Gangue郭伟Department of Material Engineering,Yancheng Institute of TechnologyInstitute of Material Science and Engineering,Nanjing... diffraction(XRD), scanning electronic microscopy (SEM) and pore structure analysis. Results demonstrate that the thermal activated coal gangue could accelerate the early hydration of cement clinker......
" name="ChDivSummary">The oxidation behavior of different SiAlON phases(β-SiAlON,X-phase SiAlON and 12H powders) synthesized from coal gangue in air atmosphere was investigated using isothermal thermogravimetry(TG) and field-emission scanning electron microscopy(FE-SEM).The effect of ferric oxide impurities in coal gangue was studied.The results show that ferric oxide contributes to the growth......
Structure and Pozzolanic Activity of Calcined Coal Gangue during the Process of Mechanical Activation郭伟Department of Material Engineering, Yancheng Institute of TechnologyInstitute of Material Science and Engineering, Nanjing University of Technology摘 要:On the basis of analyzing coal gangue’s chemical and mineral compositions, the structure change......
">To elucidate the intrinsic reaction mechanism of cementitious materials composed of red mud and coal gangue(RGC), the hydration kinetics of these cementitious materials at 20°C was investigated... of nucleation and crystal growth(NG), interaction at phase boundaries(I), and diffusion(D) in order, and the pozzolanic reactions of slag and compound-activated red mud–coal gangue are mainly controlled......
Utilization of Coal Gangue and Copper Tailings as Clay for Cement Clinker Calcinations裘国华1,2,施正伦11. State Key Lab of Clean Energy Utilization,Zhejiang University2. College of Communication Engineering,China Jiliang University摘 要:In order to avoid environmental pollution from Coal gangue (CG) and copper tailings (CT), the utilization as cement clinker......
the structural characteristics of coal gangue embankment, a field test was conducted on the site of K127+700 km and K127+720 km of Anhua-Shaoyang expressway in Hunan Province, and its settlement of embankment.... The maximum horizontal earth pressure of two embankments appears at the interface between coal gangue embankment and clay subgrade. In the construction process, the soil at this interface of inside......
