Mine safety and efficient exploitation facing challenges of the 21st century : International Mining Forum 2010

The International Mining Forum 2010, jointly organized by Anhui University of Science and Technology (China), AGH University of Science and Technology (Poland) and Mineral and Energy Economy Research Institute of the Polish Academy of Sciences (Poland), has provided experts all over the world with an opportunity and platform to exchange information and ideas. Purpose of the forum was to promote research and development of mine safety, efficient exploitation theory and provide theoretical and technical support for mine safety improvement. Read more... Content: Lectures: Fire extinguishing mechanism and application research of nitrogen injection displacement / Guoshu Zhang, Shujie Yuan, Ming Deng -- Study on characteristics and control technology of mining induced stress shell in thick coal seam / Guangxiang Xie, Ke Yang -- Thermal hazard in Chinese coal mines and measures of its control / Shujie Yuan ... [et al.] -- Research on surrounding rock control techniques of the second gob-side entry retaining for Y-type ventilation / Xinzhu Hua, Yingfu Li, Denglong Zhang -- Numerical modeling of outbursts of coal and gas with a coupled simulator / Sheng Xue, Y.C. Wang, X. Xie -- The influence of sealing abandoned areas on climatic conditions in the room and pillar extraction method in copper mining / Stanisaw Nawrat, K. Soroko, S. Gola -- Proecological technology utilization of methane from mines / Piotr Czaja, Stanisaw Nawrat, Sebastian Napieraj Numerical simulation of airflow in blind headings ventilated with freestanding fans / Marian Branny, Bernard Nowak -- Mining in Poland : history and future / Antoni Tajdus, Piotr Czaja, Marek Caa -- The influence of natural hazards on occupational safety in Polish collieries / Zbigniew Burtan -- Three-dimensional numerical simulation of spontaneous combustion in goaf of fully mechanized top-coal caving longwall / Weimin Cheng ... [et al.] -- The stability of soft rock roadway supporting and the analysis of fractal feature of surrounding rock crack / Xiangdong Zhang, Mingxing Zhang, Jianlai Xu -- Study on pre-splitting blasting for gas drainage rate improvement in heading excavation / Hongtu Wang ... [et al.] -- Analysis of the economic strength index model based on wet fiber reinforced shotcrete / Aixiang Wu ... [et al.] -- Energy mechanism of sulphide dust explosion in sublevel mining drawing outlet for high sulphur metal ore mine / Yunzhang Rao ... [et al.] Influence of pore structure on low temperature oxidation of coal / Guanglong Dai -- Research on overburden strata deformation and protective effect with far-distance lower protective layer / Biming Shi -- Control technology of structure coupling and engineering applications to inclined-shaft under abundant-water conditions / Yongping Wu ... [et al.] -- Construction technology of the inclined shaft through thick wind-blown sand seam / Ying Xu, Yong Sun -- Forecast of rock burst intensity based on one-against-one SVM classification methods / Yongkui Shi, Jiansheng Shao -- Force analysis of material handled by belt conveyor at loading point and in accelerated areas / Linjing Xiao, Hui Sun, Kewen Sun -- Research on moisture emendation formula for coalbed gas content by indirect methods / Zhongyou Tian -- Selection of reasonable level of floor roadway in deep mines / Dezhong Li ... [et al.] MC simulation research on adsorption and desorption of methane in coal seam / Xijian Li, Baiquan Lin, Hao Xu -- Research on coal mine gas sensor systems based on two-wavelength / Mengran Zhou, Haiqing Zhang, Hongwei Wu -- Numerical simulation analysis of coal-gas outburst during excavation in coal seams / Feng Cai, Zegong Liu -- Application of multi-step sectional sealing technology in gas pressure measurement in coal seam by a downward borehole / Qilin He, Wei Peng -- Deduction analysis on development characteristics of mining induced stress shell and mining induced fracture in deep longwall mining / Ke Yang, Guangxiang Xie -- Study on geothermal temperature distribution characteristics and it's affecting factors in an Huainan Mining Area / Guangquan Xu ... [et al.] -- Experimental studies on oxidation pattern of coal by TG-DSC-GC technology / Wei Peng, Qi-lin He, Xin-yu Ge Research on gas sensor fault diagnosis based on wavelet analysis and VLBP neural network / Junhao Wang, Xiangrui Meng -- Technology of interactive collecting and processing mine ventilation network information / Yingdi Yang, Guoshu Zhang -- Design of coal pillar with roadway driving along goaf in fully mechanized top-coal caving face / Jucai Chang, Guangxiang Xie, Ke Yang -- Roadside supporting design for gob-side entry retaining and engineering practice / Yingfu Li, Xinzhu Hua -- Research on a new structure of bolt-end based on broken mechanism of FRP bolt / Yingming Li, Nianjie Ma -- Research on deformation and failure laws of aquifuge of coal seam floor during pressurized working / Zhaoning Gao, Xiangrui Meng, Xiangqian Wang -- Experimental study on strength development law of filling body in gob-side entry retaining / Xiaoyu Lu, Liang Yuan, Xinzhu Hua Wet shotcreting dual-mode design and dynamic zoning support mechanism and technology for deep shafts / Yunhai Cheng, Guandong Wang, Shanxin Guo -- Experimental study on the influence of effective confining pressure on liquid permeability in coal seam / Pin Lv, Zhisheng Wang, Li Huang -- Deformation properties and control models of surrounding rock in deep mines with complicated geological conditions / Wenhua Zha, Xinzhu Hua -- Analysis of the dynamic stability of hard and thick strata of overlying multilayer spatial structures in deep coal mines and its application / Hong Shi, Huajun Wang -- Study on dust collection and removal systems in heading face based on air curtain technology / Yucheng Li, Jian Liu, Bo Liu -- Study on coal samples' acoustic emission law in triaxial unloading compression with confining pressure / Hua Nan, Yingming Wen -- Study on pre-evaluation model of support effect on mining roadways based on CBR / Xiangqian Wang ... [et al.] Future perspectives of the coal mining sector in Poland / Zbigniew Rak, Jerzy Stasica, Zbigniew Burtan -- Injectory firming of a rock mass in the area of rebuilding an excavation as a way to prevent rocks from falling and the results of these fallings / Tadeusz Rembielak, Dariusz Chlebowski -- Technologies used to reinforce preparatory headings before longwall exploitation front in conditions of Polish hard coal mines / Jerzy Stasica -- Comparison of methods used in Poland for the evaluation of dewatering wells / Krzysztof Polak, Karolina Kaznowska -- Mechanised sublevel caving systems for winning thick and steep hard coal beds / Zbigniew Rak -- Exploitation of thin hard coal beds in Poland : strategic decisions at the threshold of the 21st century / Artur Dyczko, Jacek Jarosz Abstract: The International Mining Forum 2010, jointly organized by Anhui University of Science and Technology (China), AGH University of Science and Technology (Poland) and Mineral and Energy Economy Research Institute of the Polish Academy of Sciences (Poland), has provided experts all over the world with an opportunity and platform to exchange information and ideas. Purpose of the forum was to promote research and development of mine safety, efficient exploitation theory and provide theoretical and technical support for mine safety improvement Front Cover......Page 1 Table of Contents......Page 6 Preface......Page 10 Organization......Page 12 Fire extinguishing mechanism and application research of nitrogen injection displacement......Page 14 Study on characteristics and control technology of mining induced stress shell in thick coal seam......Page 20 Thermal hazard in Chinese coal mines and measures of its control......Page 28 Research on surrounding rock control techniques of the second gob-side entry retaining for Y-type ventilation......Page 36 Numerical modeling of outbursts of coal and gas with a coupled simulator......Page 46 The influence of sealing abandoned areas on climatic conditions in the room and pillar extraction method in copper mining......Page 54 Proecological technology utilization of methane from mines......Page 64 Numerical simulation of airflow in blind headings ventilated with freestanding fans......Page 72 Mining in Poland – history and future......Page 82 The influence of natural hazards on occupational safety in Polish collieries......Page 94 Three-dimensional numerical simulation of spontaneous combustion in goaf of fully mechanized top-coal caving longwall......Page 104 The stability of soft rock roadway supporting and the analysis of fractal feature of surrounding rock crack......Page 112 Study on pre-splitting blasting for gas drainage rate improvement in heading excavation......Page 122 Analysis of the economic strength index model based on wet fiber reinforced shotcrete......Page 128 Energy mechanism of sulphide dust explosion in sublevel mining drawing outlet for high sulphur metal ore mine......Page 134 Influence of pore structure on low temperature oxidation of coal......Page 138 Research on overburden strata deformation and protective effect with far-distance lower protective layer......Page 144 Control technology of structure coupling and engineering applications to inclined-shaft under abundant-water conditions......Page 152 Construction technology of the inclined shaft through thick wind-blown sand seam......Page 160 Forecast of rock burst intensity based on one-against-one SVM classification methods......Page 166 Force analysis of material handled by belt conveyor at loading point and in accelerated areas......Page 172 Research on moisture emendation formula for coalbed gas content by indirect methods......Page 178 Selection of reasonable level of floor roadway in deep mines......Page 182 MC simulation research on adsorption and desorption of methane in coal seam......Page 188 Research on coal mine gas sensor systems based on two-wavelength......Page 196 Numerical simulation analysis of coal-gas outburst during excavation in coal seams......Page 202 Application of multi-step sectional sealing technology in gas pressure measurement in coal seam by a downward borehole......Page 210 Deduction analysis on development characteristics of mining induced stress shell and mining induced fracture in deep longwall mining......Page 214 Study on geothermal temperature distribution characteristics and it’s affecting factors in an Huainan Mining Area......Page 222 Experimental studies on oxidation pattern of coal by TG-DSC-GC technology......Page 228 Research on gas sensor fault diagnosis based on wavelet analysis and VLBP neural network......Page 234 Technology of interactive collecting and processing mine ventilation network information......Page 242 Design of coal pillar with roadway driving along goaf in fully mechanized top-coal caving face......Page 248 Roadside supporting design for gob-side entry retaining and engineering practice......Page 256 Research on a new structure of bolt-end based on broken mechanism of FRP bolt......Page 266 Research on deformation and failure laws of aquifuge of coal seam floor during pressurized working......Page 272 Experimental study on strength development law of filling body in gob-side entry retaining......Page 278 Wet shotcreting dual-mode design and dynamic zoning support mechanism and technology for deep shafts......Page 284 Experimental study on the influence of effective confining pressure on liquid permeability in coal seam......Page 292 Deformation properties and control models of surrounding rock in deep mines with complicated geological conditions......Page 298 Analysis of the dynamic stability of hard and thick strata of overlying multilayer spatial structures in deep coal mines and its application......Page 304 Study on dust collection and removal systems in heading face based on air curtain technology......Page 312 Study on coal samples’ acoustic emission law in triaxial unloading compression with confining pressure......Page 320 Study on pre-evaluation model of support effect on mining roadways based on CBR......Page 326 Future perspectives of the coal mining sector in Poland......Page 332 Injectory firming of a rock mass in the area of rebuilding an excavation as a way to prevent rocks from falling and the results of these fallings......Page 348 Technologies used to reinforce preparatory headings before longwall exploitation front in conditions of Polish hard coal mines......Page 356 Comparison of methods used in Poland for the evaluation of dewatering wells......Page 368 Mechanised sublevel caving systems for winning thick and steep hard coal beds......Page 374 Exploitation of thin hard coal beds in Poland – strategic decisions at the threshold of the 21st century......Page 384