Coal Science and Technology 2009 Issue 6 Key Layer of Direct Roof and Support Suitability of Fully Mechanized Top Coal Caving Mining Face in Ultra Thick Seam

Key Layer of Direct Roof and Support Suitability of Fully Mechanized Top Coal Caving Mining Face in Ultra Thick Seam
LIU Jin-rong

..............page:1-4,8

Comprehensive Prevention and Control Technology of Goaf Water for First Coal Pillar Mining Face in Mining Dip Gateway
NI Miao

..............page:113-115

Water Prevention and Control Technology of Seam Mining Under Thin Floor Condition
SANG Ze-hong

..............page:116-118,128

Research and Application of Environmental Mine Concentrated Liquid
HAN Yong;DU Yong;WANG Yu-chao;SHEN Dong;ZHAO Yu-ling

..............page:119-122

Industrial Experiment on Flocculation Assistance Filtration Law of Slime
GAO Jian-chuan

..............page:123-125

Experiment on Heat Pressing, Dewatering and Briquetting of Lignite
GAO Jun-rong;TAO Xiu-xiang;WAN Yong-zhou;XIAO Lei;ZHOU Sheng-fang;LI Yang

..............page:126-128

Grouting Control Technology for Water Inrush from Seam Floor in East Mine of Gequan Mine
YANG Lü-gang

..............page:110-112

Discussion on Seam Comparison Methods in Coalfield Geological Exploration
HE Guang-qiang

..............page:106-109

Analysis on Key Technologies of Dynamic Enquiry System for Coal Mine Underground Danger Sources
SHAO Wei-chao;MAO Shan-jun;JIANG Yun-feng;LI Mei

..............page:103-105,109

Virtual Private Network Applied to Safety Connection of Computer Networks Between Mining Areas
GU Chuang

..............page:99-102

Design on Coal Production Monitoring and Control System Based on Flex Technology
LIU Dao-yuan;WANG Chun-lei

..............page:95-98

Application of Vibrated Screen Jig to Coal Preparation in Fenxi Coal Mining Group
ZHAI Hong;CAO Wei

..............page:92-94

Design of Mine Water Drainage and Mine Emergency Rescue System
SUN Bao-jing;MENG Guo-ying

..............page:89-91

Design of Broach for Logarithmic Spiral Type Surface Borehole
LIU Chun-xiao;WANG Xing-wang;WANG Hai-yan

..............page:86-88

Model Establishing and Dynamics Simulation of Rotary Mechanism for Boom Type Roadheader
DONG Lei;REN Jia-jun;WANG Xi-sheng;WU Feng-lin

..............page:83-85

Analysis on Influence Factors of Haulage Force for Endless Rope Continued Haulage Device
CAO Ru-yan;ZHAI Qiang;YANG Fu-yu

..............page:80-82,85

Numerical Simulation of Oxygen Concentration Distribution in Gob Areas Based on FLUENT
SHI Guo-qing;WANG De-ming;XI Zhi-lin;DENG Xiao-lin

..............page:76-79

Experiment on Fine Water Spray to Extinguish Fire on Baffle Plate with Grid- shaped Obstacle
LI Zhen-feng;YU Ming-gao;YANG Ke

..............page:72-75,112

Application of Special Air Return Mine Shaft to Mine Safety Production
YAN Guang-zhun;FENG Yao-ting;SHI Jun

..............page:69-71

Analysis and Practices on Reduction and Resistance of Ventilation System in Taoshan Mine
YU Hui-hua;SHI Yan-fu;ZHA Zhong-yi

..............page:67-68,88

Test and Research on Gas Desorption Law of Intensive Failed Coal
JIA Dong-xu;CHEN Xiang-jun

..............page:64-66

Numerical Simulation on Air Leakage Flow Field in Spontaneous Combustion Three Zone of Goaf
HUANG Jin;YANG Sheng-qiang;CHU Ting-xiang;XU Quan;HUANG Jun-wan

..............page:60-63

Lab Mixing Ratio Test of Drilling Mud Flushing Liquid for Surface Ground Pre-Grouting
DING Zhen-yu

..............page:57-59

Dynamic Features and Prediction Method of Large Roof Pressurized
ZOU De-yun;ZHANG Guang-wen;XIN Cheng-peng;ZHANG Ming-hui

..............page:53-56

Test on Pressure Released Blasting Applied to Seam Opening of Cross-Cut in High Gassy and Low Permeability Seam
CHEN Peng;GUO Jin-dong;LI Zhong-hui;XI Run-ze;YANG Bo

..............page:49-52,56

Prediction on Electromagnetic Radiation of Mine Pressure Bumping Based on Control Map
LI Zhong-hui;WANG En-yuan;SONG Xiao-yan;LIU Xiao-fei;DENG Hong-bo

..............page:46-48

Discussion on landslide Mechanism of Hill Affected by Mining Activities in Yaojie Mining Area
SHANGGUAN Ke-feng;WANG Geng-yu

..............page:42-45

Experiment and Research on Deep Borehole Blasting in Mine Rock Roadway with Thick Soft and Weak Parting
SHAN Ren-liang;HUANG Bao-long;ZHANG Huai-wen

..............page:39-41,45

Calculation Method of Surface Pre-grouting Result Inspection and Measurement for Mine Shaft Sinking
ZHOU Hua-qun;SHAO Shi-pu

..............page:36-38

Technology and Practices on Deep Mine Shaft Sinking Through Multi Outburst Seam
WANG Hou-liang;WANG Ben-zhong;WANG Jin-hong;SUN Bao-ren;WEI Jin-dong;ZHANG Song

..............page:31-35,38

Analysis on Numerical Simulation of Rational Width for Coal Pillar in Different Sections of Fully Mechanized Coal Mining Face in Seam Island
REN Jian-feng;GAO Ming-shi;LI Ya-jun;ZHAO You-gong;GUO YU-shun

..............page:27-30

Discrete Element Simulation Analysis on Bolt Support for Broken Structure Roof of Mining Gateway
ZHU Jiang-hong;JI Hong-guang

..............page:24-26

Application of Controlled Directional Group Borehole Drilling Technology to Grouting in Xuandong Ventilation Shaft
WANG Wan-hai

..............page:21-23,26

Grouting Reinforced Support Technology for Gateway with Broken Surrounding Rocks Under the Mining Activity Influences
LIU Wen-chao

..............page:17-20

Technology and Application of Multi Continuous Rotary Mining to Fully Mechanized Longwall Coal Mining Face
WANG Qi;ZHAO Ming-zhou

..............page:14-16

Research and Application of Upward Top Coal Caving Mining Technology in Thick Seam
CHEN Yong;WANG Hong-sheng;GUO Nian-bo;ZHANG Dong-sheng

..............page:9-13

Equipment Installation Technology Along Dead Driving Face of Fully Mechanized Top Coal Caving Mining Face
LIU Dian-fu;LU Zhi-long;ZHU Kong-sheng

..............page:5-8