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level Caving

level Caving

level Caving

level Caving

1

The external load exerted on the support used in sub-level caving face generally moves forward .

放顶煤工作面的支架外载荷普遍前移。

2

of sections of the mine employing sub-level caving techniques .

对用人分矿放顶煤技术的部分。

3

Reliability study of the production system using fully mechanized mining with sub - level caving method in parallel operations

平行作业综放生产系统可靠性研究

4

Analysis and Governing of the Gas in the Working Face of the Fully- Mechanized Sub- Level Caving in the Small Coal Pillars

小煤柱综放工作面瓦斯涌出分析及治理

6

Study on Stability of Roof Coal in Face area in Fully- Mechanized Sub- Level Caving Mining Face and its Application

综放开采端面顶煤稳定性研究及其应用

7

Application of the fully mechanized longwall sub-level caving technology in the large-angle angular surface mining

综放技术在大倾角俯斜开采中的应用

8

Numerical Simulation of Flow Field and Gas Transportation in Goaf of Fully Mechanized Sub-Level Caving Face with J-Shape Ventilation System

J 型通风综放采空区流场与瓦斯运移数值模拟

9

Roof falling mechanism of face area in fully-mechanized sub-level caving mining face and its control

综放工作面端面冒顶机理及控制

10

The spot observation research on the surrounding-rock deformation laws of roadway in fully-mechanized sub-level caving mining face

综放回采巷道围岩变形规律的现场实测研究

11

Analysis and Discuss of the Factors Causing the Toppling of Hydraulic Support in the Sub-level Caving Working Faces

综放面液压支架倾倒的因素分析及探讨

12

Mechanical deformation analysis and principle of floor heave of roadway driving gob in fully mechanized sub-level caving face

综放沿空巷道底板受力变形分析及底鼓力学原理

13

Mechanical deformation analysis of floor strata of roadway driving along next goaf in fully mechanized sub-level caving face

综放沿空掘巷底鼓的受力变形分析

14

Research of the prediction on production capability of fully mechanized sub-level caving face

综放工作面生产能力预测研究

15

Feasibility Discussion of Super Long Spontaneous Combustion Coal Seam's Sub-level Caving Mining Technology

易燃煤层超长工作面综放开采工艺可行性探讨

16

Optimizing study on parameters of fully mechanized sub-level caving face with orthogonal regression method

综放工作面参数正交回归优化研究

17

Ideas for increasing top-coal recovery coefficient of the fully mechanized sub-level caving face

提高综采放顶煤回采率的设想

18

Influencing factors and improving methods for recovery ratio of sub-level caving coal blasting mining

炮采放顶煤回采率影响因素与提高方法

19

Object-oriented analysis and modeling of fully mechanized sub-level caving production system

基于面向对象的综放生产系统分析与建模

20

Mechanical model of pillar destruction in the interim from level caving to sublevel caving without sill pillar

自然崩落法向无底柱分段崩落法过渡中底柱破坏的力学模型

21

Reasonable width analysis of coal pillar preserving gateway in fully-mechanized sub-level caving

综放回采巷道护巷煤柱合理宽度分析

22

Sub- Level Caving Mining Technique in Complicated Geological Condition

复杂地质条件下的综放开采技术

23

J-Shape Ventilation System for Controlling High Gas Emission at Fully Mechanized Sub-Level Caving Face

综放采场 J 型通风系统治理高瓦斯涌出的研究

24

Extension and reversal teversal technology of fully mechanized sub-level caving face

综放工作面延长及旋转技术

25

The Exploration and Practice of Sub-level Caving Method in Drill and Blast Work-facing in Inclined Coal Seam

大倾角炮采工作面放顶煤开采的探索与实践

26

The effect of the parameters of fully mechanized sub-level caving mining support on the extraction of caving

综放支架部分参数对顶煤回收率的影响

27

Drainage Gas Technique with High Position Boring in Fully Mechanized Sub-level Caving Face

综放工作面高位顶板裂隙钻孔抽放瓦斯技术

28

Practice of Coal Winning Technology in the High Inclination-angle Sub-level Caving Working Face

大倾角综放工作面回采工艺实践

29

Roof Control of Sub - level Caving Mining in "Three- weak Elements" Unstable Thick Seam

“三软 ”不稳定厚煤层综放开采的顶板控制

30

Application of neural network method in fully mechanized sub-level caving face

神经网络方法在综放工作面的应用

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