Coal Mining Technology 2001 Issue 2 The conditions of separation emergence in overburden and the controllable factors of grouting to reduce surface subsidence

The conditions of separation emergence in overburden and the controllable factors of grouting to reduce surface subsidence
li feng ming ; lu yu de

..............page:47-49

Analysis of supporting problems arising from roadways and starting cut in fully mechanized mining in the thick seam of Sitai mine
zhang kuan li ; wang jian guang ; wang xiong wei ; zhou lin

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

The supporting technology by bolting-grouting and refuse-bags filling
kong de shan ; xiao chang huai

..............page:42-43，46

The method of broadening the starting cut in the process of equipment installation in fully mechanized face
zhang si xin

..............page:40-41

A simple discussion on the construction method of starting cut in fully-mechanized top-coal caving mining
zhang qi sheng

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

The top-coal caving technology with higher-general mining system and its practice
yang bo da ; cui kai fu ; li deng feng

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

The way to increase the unit output in thin-seam mining face
wang qing zhao ; zhang sheng li ; zhang bing

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

Mining by spirally drilling
li ji qing

..............page:31-34

The higher-general mining technology in the "three-soft" seam with regenerated roof
li zheng chang ; yu zhi xin ; lin lai bin

..............page:29-30

The mining technology to reduce the surface damages under the condition of thick-seam and deep mining
li si jun

..............page:25-28

Mining with roadways crossing protection pillars under surface buildings
wang yi zhen ; wang hui

..............page:24，28

The technology and the practice of weakening the hard top-coal by pre-blasting for fully-mechanized top-caving mining
zhou jian guo ; gong wen sheng ; chai ai fang

..............page:21-23

The layout and the support of drawing roadways for fully-mechanized top-caving mining in the residual section
wang jian qiang ; li jin ping ; wang qian ; guo min jian

..............page:18-20

Study on the rational layout of the high-productivity and high-efficiency face under the complicated geological conditions in the southern mines of China
xiang long ; zhu ze hu

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

Study on roadway layout in the protected thick seam in Shizuishan mining field
li ying wen ; jia ji yu

..............page:13-15

Analysis of the bedding-slip structures in Yungang mining field
li zhan wen ; zhang hong guo ; liu wang

..............page:11-12，17

Analysis of the deposit laws and the production prospect of seam 1# and 2# in Qishan mining field
zhang ke tao

..............page:9-10，20

Stick to the reform of mining designs, build the high-efficiency mine
luo cheng wei

..............page:7-8

The electrohydraulic controlling system for fully-mechanized powered supports
li xiao fu

..............page:5-6

To determine the sizes of protection pillars by deformation-estimating method
liu ji shu ; wu yong sheng

..............page:50-51

Study on the peculiarity of surface movement on both sides of the east and west in No.2 mine of Xinji
bao zheng ming

..............page:52-53

The study on air-chock support and its practice in trouble thin-seam mining
zuo qi zhong ; yang heng zuo ; chen de jun

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

Analysis on the reliability of powered support system in fully mechanized face
gong hong fei ; yin da jun ; li cheng sheng ; xiao ai min

..............page:57-58

Roof control and the application of its expert system
hu lan wen ; wang zhan guo ; li shou gang ; jiang shan yi

..............page:59-60

An effective method for tip-to-face roof supporting in higher-general mining
zuo zhao ming ; fu pei he

..............page:61-62

Application of water-controlling method by randomly intensively draining-off in fully-mechanized dip face
zhou xue zhi ; wang zhen jun

..............page:63-64，67

Grouting on the surface to control the water-inrush in mining face
wu lan zuo ; yu xiang ; mou bin shan

..............page:65-67

Analysis of the source of water-inrush in No.16102 working face
ren yu juan

..............page:68，58

The practice of reducing coal-dust by water injecting through the holes of gas suction
yang xing ; zhao shi xi ; wang de cai

..............page:69-70

The KS2-type fast support-moving system and its practical application in mining face
zhou qun ; luo yue yong ; guo ai dong ; liu ju sheng

..............page:71-72,75

The design and development of electronically-controlled water-supply adjusting system
li yan long

..............page:73-73,60

The application results of the MG250/600-WD1 shearer
zhou jian qiang ; zhu xiao chun

..............page:74-75

Discussion on the innovation management in deepening reform for state-owned enterprises
chang ke cheng ; zhang zhi ; li tu zuo

..............page:76-77