Coal Science and Technology 2014 Issue 7 Study on Stability of Roof-Coal Pillar in Room and Pillar Mining Goaf in Shallow Depth Seam

Study on Stability of Roof-Coal Pillar in Room and Pillar Mining Goaf in Shallow Depth Seam
XIE Xingzhi;

..............page:1-4,9

Experiment of the Intensified Artificial Freezing on Reaming Borehole Filled with Heat Conductive Material in Local Strata
CHEN Yuchao;,HUANG Mian;,HUANG Peige;,LI Dongyang;,LIU Bo;,WANG Kaiqiang;

..............page:5-9

L Type Borehole Ground Grouting Reinforcement Technology of Surrounding Rock in Deep Mine Roadway
AN Xuliang;,CHEN Yuankun;,CHENG Zhenfu;,DENG Jun;,HUANG Jian;,PU Chaoyang;,WANG Congping;,YUAN Hui;,ZHOU Weijin;

..............page:10-13,17

Study on Support Parameters Optimization of High Stress Roadway in Deep Mine
WU Xin;

..............page:14-17

Rotary Mining Technology of Fully-Mechanized Coal Mining Face in Deep Inclined Thick Seam with Soft Roof,Soft Coal and Soft Floor
HUA Xinzhu;,LU Wei;,MIAO Jianhua;,YANG Ke;,YANG Xiaojie;

..............page:18-21,25

Research on Stability of Gateway Retained Along Goaf in Thin Seam with Hard Roof and Hard Coal
ZHANG Xuefeng;

..............page:22-25

Analysis on Crushed Cause of Hydraulic Support in Fully-Mechanized High Cutting Coal Mining Face and Prevention Countermeasures
YIN Xiwen;

..............page:26-29

Gateway Retained Along Goaf Technology with Pier Pillar Backfilled with High Water Material in High Gassy Mine
SHI Guoyue;

..............page:30-32,60

Experimental Study on Response Features of Acoustic Emission to Coal Samples During Loading Process
JIA Bing;,NI Xiaoming;,SU Chengdong;

..............page:33-36

Analysis on Disaster-causing Mechanism and Key Stratum Compound Effect of Thick Hard Igneous Rock
CHANG Weibin;,DENG Zhigang;,KONG Shengli;,SHU Longyong;

..............page:37-41

Analysis on Gas Occurrence Influencing Factors in Coal Seam of Xuehu Mine
FU Xianglin;,HAO Fuchang;,LIU Mingju;,SONG Jipeng;

..............page:42-44,48

Study on Gas Drainage Technology of Throughput Fracturing Permeability Improvement by Borehole in Underground Mine
LIN Haixiao;,LIU Xiao;,TAO Yunqi;

..............page:45-48

Study on Determination of Coal Spontaneous Combustion Characteristic Temperature Based on Analysis Method of Index Gas Growth-Rate
DENG Jun;,ZHANG Yanni;,ZHAO Jingyu;

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

Study on Causes of Gas Abnormal Emission from Limestone Cracking Development Zone
CAO Zhaoqi;

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

Determination on Critical Value of Gas Content Based on Gas Adsorption and Desorption Experiment
CHEN Liang;,LIU Mingju;,WANG Chao;,WANG Yinkai;,WU Bing;

..............page:57-60

Study on Gas Drainage Technology of Screen Pipe Putting Down Along Full Length Borehole in Soft Outburst Seam
GUO KunMing;,LI Yanming;,XIAO LiHui;,ZHONG Pei;

..............page:61-64

Study on Dust Fall Mechanism and Experiment with Magnetized Water Spraying in Coal Mine
CHEN Meiling;,JIANG Zhongan;,SONG Wenchao;,TAN Cong;,WANG Ming;

..............page:65-68,87

Performance Analysis and Development of Gas Purifying Device Used in Emergency Refuge System
BO Zhige;

..............page:69-72,64

Design on Lithium-ion Battery Backup Power System in Coal Mine Refuge Chamber
CHANG Long;,GONG Dongliang;,XIAO Linjing;,YUE Mingchen;,ZHANG Ruixue;

..............page:73-76,102

Experimental Research and Design on Oriental Device of Overall Hydraulic Tunnel Drill Rig
SHAO Junjie;

..............page:77-80

Application and Development of Track-Mounted Drilling Rig with Acrossing Transportation Belt
CHEN Liang;,WU Di;,YAO Ke;

..............page:81-83,29

Research on Power Balance Control of Belt Conveyor with Variable Frequency Drive
XING Jinling;

..............page:84-87

Research on Digital Photographic Geological Logging Technology of Coal Mining Face
HUANG Haili;,LI Hao;,YANG Biao;,YANG Jianhua;,ZHANG Guangxue;

..............page:88-91,97

Analysis on Tectonic Characteristics and Tectonic Stress Field in Baode Area
CHEN Caihong;,JIANG Bo;,YANG Xiuchun;,YANGFan;,ZHOU Ke;

..............page:92-97

Analysis on Geological Control Factors of Hydraulic Fracture Extension of Coal Reservoirs in Zhengzhuang Block
CHEN Yang;,CUI Jinbang;,SUN Zeliang;,TANG Jidan;,YAO Yanbin;,YU Peng;

..............page:98-102

Study on Features of Surface Dynamic Movement and Deformation Caused by Coal Mining Under Thick Alluvium
LI Dehai;,XU Guosheng;,YU Huazhong;

..............page:103-106

Reserch on CO2 Gasification Characteristics of Yuanbao Candle Coal Char
CHEN Gang;,JIN Zhiwei;,LIU Shuqin;,LU Shen;,MA Dong;,WANG Liping;,ZHANG Jun;

..............page:107-110,41

Development and Application on MJS-1 Coking Coal Giesler Fluidity Testing Machine with Double Furnace
QI Wei;

..............page:111-115

Research on Concentrated Preparation Technics of Coal-Water Slurry from Lignite
JIANG Peng;,KANG Shanjiao;,LI Chunqi;,LIU Weibing;,LIU Xin;,MEI Changsong;,QI Yongli;,YANG Mingshun;

..............page:116-119

Analysis on Hydraulic Support Crushed Mechanism When Fully-Mechanized Coal Mining Face Passed Through Concentrated Coal Pillar Area in Above Seam
ZHOU Haifeng;

..............page:120-123,128

Technology of Power Supply Expansion to Haulage of Special Coal Transportation Line Based on Reactive Compensation
GUO Aijun;

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