Coal Science and Technology 2009 Issue 3 Test on Hard Top Coal Pre-Blasting and Weakening for High Gassy Fully Mechanized Top Coal Caving Mining Face

Test on Hard Top Coal Pre-Blasting and Weakening for High Gassy Fully Mechanized Top Coal Caving Mining Face
SUO Yong-lu;SUN Shu-liang;DUAN Wang-shuan;LIU Jian-ping

..............page:1-3

Numerical Simulation and Calculation on Plastic Zone Width of Coal Pillar for Strip Mining
LIU Gui;HAN Bang-hua;XING Feng;GUO Wen-yin;DU Ke-hui

..............page:4-6,37

Rapid Passing Through Fault Technology of Fully Mechanized Gateway Driving
ZHOU Ming;WANG Tong-ji;ZHANG Wei-song;ZHANG Dong-sheng;MA Li-qiang

..............page:7-9,50

Analysis on Stability of Coal Pillar in Goaf Area of No. 11 Seam in Tangshangou Mine
WU Shi-zhen;GAO Run-ping;HUANG Qing-guo

..............page:10-12

Stability Analysis of Mining Gateway under Seam Group Mining with Closed Distance Between Seams in Cuijiazhai Mine
LIU Jian-jun

..............page:13-16

Additional Strain Variation Law of Mine Shaft Lining under Joint Effect of Additional Force and Temperature
JING Liu-jie;WANG Bo;SHANG Xiang-yu;HU Kun;ZHONG Gui-rong

..............page:17-19

Location Optimization of Mining Gateway under Goaf in Seam with Closed Depth in Hexi Mine
LIU Zhi-yao

..............page:20-22

Fully Mechanized Coal Mining Face Rapid Removing Method with Trackless Rubber Tyre Vehicle
ZHANG Dian-bin

..............page:23-25

Study on Critical Value of Coal and Gas Outburst Prevention Prediction Sensitive Index in Deep Mine
ZHANG Yong-jiang;MENG Xian-zheng;TONG Bi;XIA Yong-jun

..............page:26-29,33

Application of Electromagnetic Radiation Technology to Outburst Prevention in Yanmazhuang Mine
LI Bo;LI Zhong-hui;YANG Ming;YANG Dao-wei;FENG Zhan-wen

..............page:30-33

Application of Pressurized Cementation Sealing Technology with Casing to Gas Pressure Measurement
LI Bo;LI Chang-song;WEI Jian-ping;HAN Hong-wei;KONG Xiang-hui

..............page:34-37

Study on Outburst Elimination Test of Coal Mining Face with Outburst Danger in Potential
ZHANG Jing-li

..............page:38-40

Thick Seam Gas Drainage Technology and Practices in Jincheng Mining Area
HE Tian-cai;LI Hai-gui;ZHANG Hai-jun

..............page:41-43,55

Research on High Pressure Water Jet Cutting to Improve Gas Drainage Efficiency
YU Hong;LU Ting-kan

..............page:44-46

Gas Drainage Technology of Goaf Along Up Section of Gateway
SONG Jun-jie;WANG Zhao-feng;SHAN Zhi-yong

..............page:47-50

Parameter Mode Method of Arc Extinguishing Coil Grounding System to Identify Fault Circuit
GAO Yan;LIU Lei;LI Ning;WANG Yan-wen

..............page:51-55

Selection Design on Trackless Rubber- Tyred Auxiliary Haulage System in Underground Mine
ZHANG Jun-feng;LI Ke-min;WANG Bin;YANG He

..............page:56-58

Calculation Method of Site Measured Piston Pump Discharged Volume Base on Inhaled Volume Efficiency
GUO Guang-ming;MA Xing-min;ZHAO Qiao-zhi;ZHOU Li-zhi;HAO Ming-rui;WU Miao

..............page:59-62,67

Technical Improvement of HZ Central Rotary Clamshell Mucker
ZHANG Guang-zeng;WANG Rong-guang

..............page:63-67

Hydraulic System of ZDY4000L Crawler Driller Base on Pump Controlled Hydraulic Technology
YAO Ke;FAN Dong;YIN Xin-sheng

..............page:68-70,119

Cause Analysis and Resolution of Mine Coal Bunker Jam
XUE Tong-long

..............page:71-72,76

Research on Relativity between Steel Cable Stress and Steel Wire Deformation of Strand
MA Jun;GE Shi-rong;ZHANG De-kun

..............page:73-76

Application of Scanning Tunnel Microscope Circuits to Coal Particle Observation
SUN Xun;ZHANG Ren-jie

..............page:77-79,40

Analysis on Electric Power Consumption and Energy Saving of Fenxi Coal Mining Group
YANG Jian-hua;LIN Fu-yan;WANG Guang-hui;WENG Gang-jian

..............page:80-82,86

Design on Mine Entrance Guard Attendance System Base on iButton Technology
SUN Xiu-juan;WU Jian;YIN Cui-xia;WANG Chuan-jiang

..............page:83-86

Research on Heterogeneous Data Integration of Digitalized Mine
HAN Xiao-bing;TIAN Feng

..............page:87-89

Design on Mine Safety Production Executive System Based on Multi Agent Technology
CAI Li;TONG Min-ming

..............page:90-92,99

Research on Water Prevention and Control of E11510 Coal Mining Face in Cuijiazhai Mine
FU Hui

..............page:93-95,99

Evaluation and Prevention Proposals of Water Inrush from Seam Floor in Wuyang Coal Mine
LI Zhen-hua;LI Jian-bo;XU Gao-ming

..............page:96-99

Application of Radio Wave Perspective Technology to Detect Tectonic Coal in Coal Mining Face
LI Huan-min

..............page:100-102

Application of Core Drilling Collecting Rate to Evaluate Seam Gas Content and Distribution
HONG An-na;YAN Jia-ping;ZHANG Yu-lin;CHEN Ping;RUAN Guang-ping

..............page:103-105

Water Treatment Experiment on Simulated Mine Goaf
HE Xu-wen;LI Yan;SHAO Li-nan;LIANG Kang-qiang

..............page:106-108

Preparation of Coal Refuse Base Consolidated Soil Material
XIAO Xue-jun;SUN Heng-hu;LI Hua-jian

..............page:109-111,114

Research on Flocculation Setting Test of Coal Slurry Water in Renlou Coal Preparation Plant
XU Chu-yang;YU Hai-ying;XU Tian-hai

..............page:112-114

Research on Classification Features of Fluidized Bed with Parallel Inclined Plates
SHI Chang-sheng;Tang Li-gang;MA Rui-xin;ZHI Jin

..............page:115-119

Cause Analysis and Measures for Difficult Pushing of Coke
HE Jian-zhong;SHEN Jun

..............page:120-123

Design and Development on Reactor of Coal Direct Liquefaction
HU Fa-ting;MAO Xue-feng;SHI Shi-dong;HUO Wei-dong

..............page:124-128