Coal Mining Technology 2004 Issue 2 Risk assessment of floor water irruption in coal mines of North China

Risk assessment of floor water irruption in coal mines of North China
chen pei pei ; guan en tai ; qiu xian shui

..............page:1-3,9

Safe production is an important guarantee for improving economic benefit of mine companies
li rui zuo

..............page:82-83,34

Water supply,power supply and emulsion supply in long distance for mechanized mining
huang jia zheng

..............page:79-81

Diagnose and countermeasures of insulation failure of high-low voltage motors in underground drainage pump room
bo fan si

..............page:77-78

Development and application of hydraulic iron buttress in coal faces
fu jia de ; yang ji xiang

..............page:75-76

Dealing with the roof of initial cut in longwall with top-caving mining through deep-hole blasting to improve the coal recovery
li wei qing ; fu meng

..............page:37-38

Increasing the lump-coal ratio in full aspects
yang shi long

..............page:35-36

Application of Wanggeweili mining method in Shangwan mine
zhang yue ; wang fu bao

..............page:32-34

Application of roboticized mining techniques using coal plough on Malan mine
yang mao lin

..............page:30-31,36

The concepts of mechanized mining the coal under the buildings
meng zhao lian

..............page:28-29

Techniques and practice of longwall with top caving mining in soft and combustible coal Seam with steep dip,extra-thickness
zhang shu li ; wang wen qiang ; li xue jun

..............page:25-27

Practice of High-seam Fully-mechanized Face passing through soft coal areas
wang zhan xiong

..............page:23-24，27

Research of the application of light-duty caving support in Xi shan mine
xue zhan ru

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

Analysis of resistance reducing and anti-disaster abilities improving in combined ventilation mines with multi-air shafts
di mao bing

..............page:73-74,78

Gas-prevention measures in coal face of single seam with low air permeability
wang tai

..............page:70-72,81

Comprehensive prevention of gas in first face on level 13 of Zhao gezhuang mine,Kailuan
yao feng lin ; zhang jin fu ; zhang tong le

..............page:68-69

Probe into principle of gas emission in longwall with top-caving mining face of Cheng zhuang mine
zhang xin quan

..............page:66-67

Ignition mechanism and its prevention for longwall with top-caving mining face in multi-layers,inflammable,inclined coal face with extra-height
wang zhi qiang ; zhou peng ; wan yan xiao liang

..............page:62-65

Techniques of prevention and fighting using colloid for spontaneous ignition in longwall with top-caving mining face
wen hu ; qiu chun liang ; chen an ming ; zhang xin hai

..............page:59-61

Analysis and precaution measures of water disasters in Huozhuang mine
si de wen

..............page:58-58,81

Study of strata behavior of Driving the Roadway along Goaf in longwall with top-caving mining face of coal seams with extra-thickness and softness
xie jun wen ; xu ji zong ; wang ya feng ; zhao zong yan

..............page:54-57

Detection and analysis of failure height of the overlying strata in strip mining
wu ke sen ; xu yan chun ; ma shi liang

..............page:52-53,57

Study of rock pressure and rock burst of first deep coal face in Zhang xiaolou mine
wei jia yuan ; zou guo cai ; zhao huai lu

..............page:48-51

Analysis of strata behavior in longwall with top-caving mining face of three soft and relatively thinner thick coal seams
fan zhen bo

..............page:46-47,69

Analogical simulation analysis of overlying strata movement in "two-hard"condition coal seams with a 5m height
yu bin ; wang ai guo

..............page:43-45

Roof separation analysis and monitoring techniques in roadways
yao bao zhu ; zhou yin sheng

..............page:41-42,51

Application of the pre-excavation and bolt-mesh support roadways on mining coal island face in longwall with top-caving mining
fan zai liang

..............page:39-40

The feasibility study of longwall with top-caving mining in 3# coal seam on Wangpo mine field
jia guang sheng ; tian you ming ; chang hai lei ; gao sheng yuan

..............page:18-19,29

Measuring technique of Xiashan tunnels on the Ganlong railway
duan shu yi

..............page:16-17

Techniques and practice of detecting water flowing subsided column by Ground Direct Current Electrical Sound method
zhang nai hong

..............page:14-15

Investigation and analysis of damage complexity of ecological environment in Fu xin area
liu zuo zuo

..............page:10-13

Software Design and development of the Multimedia Retrieval System in special mining
hu bing nan ; zhang gang yan

..............page:8-9

Function analysis of Configuration Software and its application in the longwall with Top-caving mining face
zhang shou xiang ; cao jing an ; zhang xiu ping

..............page:4-7,22