Results 221 to 230 of about 33,010 (259)
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Mechanism analysis and control technology of surrounding rock failure in deep soft rock roadway
Engineering Failure Analysis, 2020Abstract In order to research the surrounding rock control technology of deep soft rock roadway, the air returning cross-cut of Xinhu Coal Mine in Bozhou City was taken as an example to study the failure characteristics, roadway deformation mechanism and surrounding rock repair technology.
ChengXing Zhao +3 more
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The Thickness of Immediate Roof and Surrounding Rock Control Theoretical Research
Applied Mechanics and Materials, 2014Somewhere on the specific geological conditions of surrounding rock, adopt the different method, calculates the thickness of immediate roof in the area, the thickness of immediate roof was got, which to explore the suitable method for formation conditions of pressure control method, good effects have been achieved.
Wei Fang Sun +3 more
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Analysis and Controlling of the Surrounding Rock Stability Mechanism in Underground Engineering
Applied Mechanics and Materials, 2012This thesis introduces various factors of surrounding rock stability mechanism and instability modes, indicates its control methods and thought. The achievements apply well in engineering practices and have good values and researches on surrounding rock stability have instructive significance in engineering execution.
Xian Kai Bao, Guo Qiang Li
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Advanced Materials Research, 2012
To explore support technical problems in deep soft rock roadway, according to deep complicated geological conditions in 102 transport rise of Yuandian Mine, obtaining deformation characteristics of roadway in the initial support scheme under conditions, analysing the reasons of instability and failure of surrounding rock, proposing the surrounding rock
Wen Hua Zha, Xin Zhu Hua
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To explore support technical problems in deep soft rock roadway, according to deep complicated geological conditions in 102 transport rise of Yuandian Mine, obtaining deformation characteristics of roadway in the initial support scheme under conditions, analysing the reasons of instability and failure of surrounding rock, proposing the surrounding rock
Wen Hua Zha, Xin Zhu Hua
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Mechanical characteristics and deformation control of surrounding rock in weakly cemented siltstone
Environmental Earth Sciences, 2021The roof of coal seams are mostly soft rock with weak cementation. To further study the mechanical characteristics and deformation control scheme of the roadway with weakly cemented siltstone as roof, this paper took Linchang coal mine as the research background and adopted field investigation methods, laboratory experiments, and theoretical analysis ...
Weijian Yu +5 more
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Surrounding Rock Deformation Properties and Control Technique for Roadway along Goaf in Soft Rock
Advanced Materials Research, 2014Deformation of roadway driving along goaf was very serious during mining in Qidong coal Mine.This paper took the roadway as the engineering background, firstly, numerical simulation of the roadway has been made by FLAC3D,then its surrounding rock deformation properties and stress distribution were analyzed,the reinforcement technology was proposed ...
Ming Yang, Xin Zhu Hua, Deng Hong Chen
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Mechanism and Control of Roadway Floor Heave in the Paleogene Soft Rock Surroundings
Geotechnical and Geological Engineering, 2019To analyze the mechanism of roadway floor heave in the Paleogene soft rocks and provide corresponding control strategies, taking the monorail lane of the Liuhai Mine as the research background, the special geological conditions of the deep soft rock roadway and failure characteristics of the roadway floor are analyzed by means of an indoor physical ...
Jun Yang +5 more
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Advanced Materials Research, 2014
The purpose of the article is to introduce a kind of control theory and technology of roadway floor heave and the surrounding rock of the upper part deformation in a high stress field. On the basis of the stress state theory in the modern mechanics, this paper which uses Yang Zhuang III1 mining area coal mine hoist room as the research and experimental
Zhi Wei Li +3 more
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The purpose of the article is to introduce a kind of control theory and technology of roadway floor heave and the surrounding rock of the upper part deformation in a high stress field. On the basis of the stress state theory in the modern mechanics, this paper which uses Yang Zhuang III1 mining area coal mine hoist room as the research and experimental
Zhi Wei Li +3 more
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Modeling and control of surrounding rock support of hydraulic support
2022 IEEE 25th International Conference on Intelligent Transportation Systems (ITSC), 2022H. W. Ren, D. D. Wang
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Journal of Coal Science and Engineering (China), 2009
Through the description of the deformational features of the surrounding rock around high stress engineering soft rock roadways, the coupling stabilization principle of inner and outer structures in surrounding rock was put forward. The supporting principles of high stress engineering soft rock roadway (high resistance and yielding support, timely ...
Wei-jun Wang +3 more
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Through the description of the deformational features of the surrounding rock around high stress engineering soft rock roadways, the coupling stabilization principle of inner and outer structures in surrounding rock was put forward. The supporting principles of high stress engineering soft rock roadway (high resistance and yielding support, timely ...
Wei-jun Wang +3 more
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