Safety in Coal Mines 2014 Issue 1 Quantitative Relationship Between Gas Content and Burial Depth of Coal Seam

Quantitative Relationship Between Gas Content and Burial Depth of Coal Seam
gao jin long ;, yang yu zhong ;

..............page:1-4

Hole-spraying Mechanism of Hydraulic Slotting Drilling and the Influnence of Slotting Mode
lin bai quan ;, yang wei ;, zheng chun shan ;, zou quan le ;

..............page:5-8,12

Study on Development Height of Water Flowing Fractured Zone Controlled by Solid Filling Percentage
zhang hong zhong ;

..............page:9-12

Using Remote Sensing Data to Monitor the Change of Mining Subsidence Water Accumulation
guo guang li ;, jia peng ju ;, wang qi chun ;, wei kuang ling ;

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

Research on Floor Failure Depth of Working Face Mining on Confined Water
bai ya guang ;, kong de zhong ;, wang zhao hui ;, yang sheng li ;

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

Rock-burst Prevention Technology Theory and Optimization Design With Multi-field Stress Control on "Roof-seam" Structure Body
li xiao zuo ;, ou yang zhen hua ;, wang yong ren ;, zhang ning bo ;, zhao shan kun ;

..............page:21-25

Study on Similar Simulation for Roof Failure Characteristics of Steep Coal Seam
liu da peng ;, wang kun ;, zhao yang sheng ;, zhou qing long ;

..............page:26-28

Numerical Testing of Narrow Coal Pillar Width Identified With Large Section Roadway Driving Along Next Goaf
liu yu feng ;, tang zhi long ;, yang xiang qin ;, yang yong kang ;

..............page:29-31,35

Underground Ground Stress Field Measurements and the Analysis of Stress Fields Distribution Laws in Qianyingzi Coal Mine
he li hui ;, luo kun ;, sun yu liang ;

..............page:32-35

Determination of the Reasonable Chain Pillars Size of Isolated Island Fully-mechanized Caving Face
feng yu feng ;, tu hong sheng ;, tu shi hao ;, wang chen ;, wang quan ;, yuan yong ;

..............page:36-39

Experimental Study on Strata Behavior Laws at Fully Mechanized Mining Face in Near Shallow Coal Seam
chai jing ;, hao lei ;, liu wen gang ;, yao ji kai ;

..............page:40-43

Numerical Simulation of Forepoling Bolt Installing Angle
geng ya dong ;, liu de feng ;

..............page:44-46,50

Rationality Analysis of Chain Pillar Setting Width at Large Mining Height and Large Span Mining Face
chen xiao sheng ;

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

Experimental Research on Size Distribution Determination of Filling Gangue
yu zhong ming ;, zhang jin hong ;

..............page:51-53

Water-inrush Risk and Control Technology in Extra-thick Seam of Water-rich Overburden
gao xi cai ;, wu yong ping ;

..............page:54-56

Floor Heave Cause Analysis and Control Technology for Gubei Mine Soft Rock Roadway
chen ming chang ;, qu shi zhan ;

..............page:57-59,63

Compound Prestress Support Technology of Large Cross Section Open-off Cut With Thick Coal Roof
duan qi tao ;, he fu lian ;, liu zhi yang ;, xu zhu he ;, xu lei ;

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

Goafs Hazard Analysis and Control Technology of Room Mining in Shallow Coal Seam
li jian ;, li wen ;

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

Mechanical Behavior and Control of Surrounding Rock in Large Section Open-off Cut Excavation by Times
cai ling xiang ;, xu lei ;

..............page:67-70

The Soft Coal Roadway Damage Mechanism and High Prestressed Forced Supporting Technology
fan yong ;, zhang dong feng ;

..............page:71-73,77

Bolt Support Technology in Zhangshigou Coal Mine
li zhong hui ;

..............page:74-77

Optimized Design of Gas Extraction Throttling Device in Coal Mine
song wei bin ;, sun yu ning ;, wang yong long ;, wang zhen feng ;, zhou ying ;

..............page:78-80

Multi-channel Mine Wireless Monitoring System Based on ZigBee
chen yang yang ;, cui li zhen ;, gao li li ;, li lei ;

..............page:81-83,87

Computational Analysis of Mine Ventilator Straight-wall Diffuser Parameters
cheng kai ;, pan di lin ;, yang chun yu ;

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

Design of Mine-used Dry-type Pneumatic Drill
ding shou cai ;, liu li min ;, sun xiao fei ;, zhang qiang ;

..............page:88-89

Design of Mine Hoist Hydraulic Braking System
qu de chen ;

..............page:90-91,94

Application of Mine-used KT121M Communication System in Xiaoyugou Coal Mine
hou zhi hua ;

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

Optimization and Effect of Low-frequency Superposition Method on Power Parameters
li chuan yang ;, song jian cheng ;, su wen ;, yang hao yuan ;

..............page:95-97

Segment-based and Self-capacitive Displacement Sensor for Roof Abscission Layer Monitor
li feng zhen ;, sun chun wei ;

..............page:98-100

Pedestrian Safety Warning System of Mine-used Electric Locomotive
huang you rui ;, ling liu yi ;, zhang jun qing ;

..............page:101-104

Checking Device for Coal Mine Explosion-proof High-voltage Electrical Protection Performance
chen qing ;

..............page:104-105

Site Detection and Prevention Approach for Lower Layered Coal and its Roof Combustion Zone
gao jun wei ;

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

Fire Controlling and After-combustion Preventing Technology Application in Large Inclination and Large Height Mining Working Face
deng jun ;, fei jin biao ;, wang kai ;, di xiao wei ;

..............page:109-111

Fine Three-dimensional Seismic Exploration of the Ordovician Limestone Top Interface and the Application of the Results
wang hua jun ;, wu shan yuan ;, xu qing guo ;

..............page:112-114,121

Application of 1 000 m Drilling Machine in Grouting Reinforced Project for Water Proof in Coal Seam Floor
guo chun ;, li chang qing ;, xing wen ping ;

..............page:115-118

Prevention Measures and the Influence of Up-dip Mining on Rib Spalling in Complicated Geological Condition
chen hao ;, hao bing yuan ;, kang li xun ;, zhang bai sheng ;

..............page:118-121

Study and Practice of Gob-side Entry Driving for Wide Coal Pillar
guo feng ;, ma chang le ;, ma wei bo ;, yuan long fei ;

..............page:122-124,128

The Application of Bolt-grouting Technology in Surrounding Rock Reinforcement of Return Air Crossheading
guo ying ;, he xiao zuo ;, li long ;, ren jian xi ;, shi jing yang ;, sun jie long ;, zhan you ming ;

..............page:125-128

Critical Values and Reliability of Sensitive Indexes for Coal and Gas Outburst Prediction
liu hua feng ;

..............page:129-131

Trajectory Calculation and Error Analysis of Mine Directional Drilling
huang han jing ;

..............page:132-135

The Disaster Risk Index System of Coal Mine Gas Explosion Based on Rough Set Attribute Reduction Method
xue zuo ;, zhang tao tao ;

..............page:136-139

Numerical Simulation of High Level Gas Drainage Borehole Based on ABAQUS
hu yi lu ;, ma yong ;

..............page:140-142,146

Stress Strain Laws for Coal Body Around Through Beds Borehole Orifice in Outburst Coal Seam
han li bing ;, hun bao ju ;

..............page:143-146

Investigation of Particle Flow Simulation During Uncovering Coal Seam in Cross-cut
gao rui yuan ;, jiang cheng lin ;, meng jing jing ;

..............page:147-150

Discussion on Quantitative Analysis of Breakage Degree of Coal
jiang yun fei ;, ma hong yu ;, zhang shao shuai ;

..............page:151-154

Determination of Outburst-preventing Extraction Volume for Outburst Coal
huang jia yuan ;, wu gui yi ;

..............page:155-157,162

Analysis of Air Flow Damp-heat Process in Heat Damage Mine
ji jian hu ;

..............page:158-162

The Relationship Between Coal Seam Volumetric Strain and Gas Pressure in Cracks
bai zan cheng ;

..............page:163-165,169

Analysis of Mechanized Caving Mining Surface Movement and Deformation Laws in Guandi Mine
hu qing feng ;, kang xin liang ;, yuan tian qi ;, di yan ;, zhou jian ye ;

..............page:166-169

Critical Water Inrush Monitoring Index and Early-warning Model of Mine Water Disaster
sun ya jun ;, xu zhi min ;, zhu zong kui ;

..............page:170-172

Numerical Simulation of Gob Spontaneous Combustion "Three Zones" in Different Permeability
shao lei ;, wang bai shun ;, yang yong gang ;

..............page:173-175

Safety Technology Supervision of Ultra-high Head Water Hazards Control Engineering
zhou lin qing ;

..............page:176-178,182

Optimal Analysis of Spray Flow Patterns of Vertical Shaft-type Tunneling Machine Carried External Spraying
han fang wei ;, jiang jia xing ;, liu jian an ;, wang de ming ;

..............page:179-182

Numerical Simulation of Cooling Scheme at Fully Mechanized High Temperature Working Face
liu ze gong ;, zhou jian ;

..............page:183-185

Numerical Simulation of Goaf Flow Field for U-type Fully Mechanized Working Face
pang wen hua ;, qin ru xiang ;, tao yuan ;

..............page:186-188,191

Exploration and Practice of Open Cutting Section Form in Plow Face
ji yong gang ;, tian fa cheng ;, zhou ming hong ;

..............page:189-191

The Influence Analysis of Upper Liberation Layer Mining on Roadway Stability of Fully Mechanized Caving Face
huang jin kun ;, shu cou xian ;, wei quan de ;, xu en jin ;, zhang min zhe ;, zhu quan jie ;

..............page:192-195

Development Status and Suggestion of China's Coal Industrial Standardization
zheng hou fa ;

..............page:196-199

Safety Management Status and Suggestions of Coal Mine Special Equipments
sun yan ;, ye jian nong ;

..............page:200-203

Decision Analysis of Ecological Development in Coal-rich Regions Based on Game Theory
li xiao li ;, li xiu lin ;, wang ze jiang ;, zhang hong chao ;

..............page:204-206

Discussion on Safe and Effective Mining Mode in Old Mines and Resource Integrated Coal Mines
weng yi fei ;

..............page:207-210

Eliminating Outburst Scope and Effect Evaluation of Protective Layer Mining Under the Influence of Coal Pillar
liu ping ;, zhu heng zhong ;

..............page:211-214

Control Technology of Mine Pressure at Full-mechanized Caving Face in Tianshan Mining Area
li xiao zuo ;, wang yong ren ;, zhao shan kun ;

..............page:215-217

Segment Coal Pillar Retaining Technology of Close Distance Coal Seam Group in Danhou Coal Mine of Weizhou Mining Area
zuo bao jun ;

..............page:218-221

The Problems of Preventing Gas Overrun at Upper Corner of Mining Face
zhang wei ;

..............page:222-224