Preface ........................................................ IX
Organization .................................................. XII
Lectures
Fire extinguishing mechanism and application research of
nitrogen injection displacement ................................. 1
Guoshu Zhang, Shujie Yuan, Ming Deng
Study on characteristics and control technology of mining
induced stress shell in thick coal seam ......................... 7
Guangxiang Xie, Ke Yang
Thermal hazard in Chinese coal mines and measures of its
control ........................................................ 15
Shujie Yuan, Zhenbin Zhang, Kai Deng, Chaomei Li
Research on surrounding rock control techniques of the second
gob-side entry retaining for Y-type ventilation ................ 23
Xinzhu Hua, Yingfu Li, Denglong Zhang
Numerical modeling of outbursts of coal and gas with a
coupled simulator .............................................. 33
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 ......................................................... 41
Stanisław Nawrat, K. Soroko, S. Gola
Proecological technology utilization of methane from mines ..... 51
Piotr Czaja, Stanisław Nawrat, Sebastian Napieraj
Numerical simulation of airflow in blind headings ventilated
with freestanding fans ......................................... 59
Marian Branny, Bernard Nowak
Mining in Poland - history and future .......................... 69
Antoni Tajduś, Piotr Czaja, Marek Cała
The influence of natural hazards on occupational safety in
Polish collieries .............................................. 81
Zbigniew Burtan
Three-dimensional numerical simulation of spontaneous
combustion in goaf of fully mechanized top-coal caving
longwall ....................................................... 91
Weimin Cheng, Gang Wang, Jiacai Zhang, Lulu Sun, Gang
Wang, Jun Xie
The stability of soft rock roadway supporting and the analysis
of fractal feature of surrounding rock crack ................... 99
Xiangdong Zhang, Mingxing Zhang, Jianlai Xu
Study on pre-splitting blasting for gas drainage rate
improvement in heading excavation ............................. 109
Hongtu Wang, Xiaogang Fan, Zhigang Yuan, Houxue Xu
Analysis of the economic strength index model based on wet
fiber reinforced shotcrete .................................... 115
Aixiang Wu, Chunlai Wang, Li Li, Bin Han, Shaoyong Wang
Energy mechanism of sulphide dust explosion in sublevel
mining drawing outlet for high sulphur metal ore mine ......... 121
Yunzhang Rao, Sujing Huang, Jianping Zhang, Guangzhe Xiao
Influence of pore structure on low temperature oxidation of
coal .......................................................... 125
Guanglong Dai
Research on overburden strata deformation and protective
effect with far-distance lower protective layer ............... 131
Biming Shi
Control technology of structure coupling and engineering
applications to inclined-shaft under abundant-water
conditions .................................................... 139
Yongping Wu, Youfu Zeng, Hongwei Wang, Ping Ye
Construction technology of the inclined shaft through thick
wind-blown sand seam .......................................... 147
Ying Xu, Yong Sun
Forecast of rock burst intensity based on one-against-one
SVM classification methods .................................... 153
Yongkui Shi, Jiansheng Shao
Force analysis of material handled by belt conveyor at
loading point and in accelerated areas ........................ 159
Linjing Xiao, Hui Sun, Kewen Sun
Research on moisture emendation formula for coalbed gas
content by indirect methods ................................... 165
Zhongyou Tian
Selection of reasonable level of floor roadway in deep
mines ......................................................... 169
Dezhong Li, Xiaohu Xi, Zunyu Xu, Xing Wang
MC simulation research on adsorption and desorption of
methane in coal seam .......................................... 175
Xijian Li, Baiquan Lin, Hao Xu
Research on coal mine gas sensor systems based on two-
wavelength .................................................... 183
Mengran Zhou, Haiqing Zhang, Hongwei Wu
Numerical simulation analysis of coal-gas outburst during
excavation in coal seams ...................................... 189
Feng Cai, Zegong Liu
Application of multi-step sectional sealing technology in
gas pressure measurement in coal seam by a downward
borehole ...................................................... 197
Quin He, Wei Peng
Deduction analysis on development characteristics of mining
induced stress shell and mining induced fracture in deep
longwall mining ............................................... 201
Ke Yang, Guangxiang Xie
Study on geothermal temperature distribution
characteristics ............................................... 209
and it's affecting factors in an Huainan Mining Area
Guangquan Xu, Zegong Liu, Weining Wang, Peiquan Li,
Xiangjin Huang
Experimental studies on oxidation pattern of coal by
TG-DSC-GC technology .......................................... 215
Wei Peng, Qi-lin He, Xin-yu Ge
Research on gas sensor fault diagnosis based on wavelet
analysis and VLBP neural network .............................. 221
Junhao Wang, Xiangrui Meng
Technology of interactive collecting and processing mine
ventilation network information ............................... 229
Yingdi Yang, Guoshu Zhang
Design of coal pillar with roadway driving along goaf in
fully mechanized top-coal caving face ......................... 236
Jucai Chang, Guangxiang Xie, Ke Yang
Roadside supporting design for gob-side entry retaining and
engineering practice .......................................... 243
Yingfu Li, Xinzhu Hua
Research on a new structure of bolt-end based on broken
mechanism of FRP bolt ......................................... 253
Yingming Li, Nianjie Ma
Research on deformation and failure laws of aquifuge of coal
seam floor during pressurized working ......................... 259
Zhaoning Gao, Xiangrui Meng, Xiangqian Wang
Experimental study on strength development law of filling
body in gob-side entry retaining .............................. 265
Xiaoyu Lu, Liang Yuan, Xinzhu Hua
Wet shotcreting dual-mode design and dynamic zoning support
mechanism and technology for deep shafts ...................... 271
Yunhai Cheng, Guandong Wang, Shanxin Guo
Experimental study on the influence of effective confining
pressure on liquid permeability in coal seam .................. 279
Pin Lv, Zhisheng Wang, Li Huang
Deformation properties and control models of surrounding
rock in deep mines with complicated geological conditions ..... 285
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 ..................................... 291
Hong Shi, Huajun Wang
Study on dust collection and removal systems in heading face
based on air curtain technology ............................... 299
Yucheng Li, Man Liu, Bo Liu
Study on coal samples' acoustic emission law in triaxial
unloading compression with confining pressure ................. 307
Hua Nan, Yingming Wen
Study on pre-evaluation model of support effect on mining
roadways based on CBR ......................................... 313
Xiangqian Wang, Xiangrui Meng, Zhaoning Gao, Huizong Li,
Feng Zhong
Future perspectives of the coal mining sector in Poland ....... 319
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 ..................................... 335
Tadeusz Rembielak, Dariusz Chlebowski
Technologies used to reinforce preparatory headings before
longwall exploitation front in conditions of Polish hard
coal mines .................................................... 343
Jerzy Stasica
Comparison of methods used in Poland for the evaluation of
dewatering wells .............................................. 355
Krzysztof Polak, Karolina Kaznowska
Mechanised sublevel caving systems for winning thick and
steep hard coal beds .......................................... 361
Zbigniew Rak
Exploitation of thin hard coal beds in Poland - strategic
decisions at the threshold of the 21st century ................ 371
Artur Dyczko, Jacek Jarosz
Author Index .................................................. 379
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