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Ground fissure development regularity and formation mechanism of shallow buried coal seam mining with Karst landform in Jiaozi coal mine: a case study
A comprehensive study was undertaken at Jiaozi coal mine to investigate the development regularity of ground fissures in shallow buried coal seam...
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Study on Supporting Technology of A Mining Roadway in Fault Fracture Zone with High Altitude
Accidents such as roof caving, water permeation, and instability of supporting structures often occur in the roadway in the fault fracture zone of...
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Stability Criteria for a Composite Clay-Overlying Strata Aquiclude During Mining Under a Loose Pressurized Aquifer
Aquicludes may become unstable during mining under loose pressurized aquifers, resulting in water inrush and sand burst at the working face. To deal...
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Dynamic prediction model of mining subsidence combined with D-InSAR technical parameter inversion
It is of great significance to obtain timely and accurate information of surface subsidence caused by mining. The probability integral method (PIM)...
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Numerical simulation of layered anti-inclined mining slopes based on different free face characteristics
A large number of geological disasters such as collapse, landslide and debris flow occur in Southwest China, and coal mining is replacing natural...
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Instability mechanism of mining roadway passing through fault at different angles in kilometre-deep mine and control measures of roof cutting and NPR cables
The angle α between the fault strike and the axial direction of the roadway produces different damage characteristics. In this paper, the research...
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Research on Active Advanced Support Technology of Backfilling and Mining Face
The mechanization level of coal mine in China has been developed toward automation and intelligence, which puts forward new requirements for the...
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Stability analysis and failure control of a longwall panel with a large mining height considering fracture distribution
With the increasing coal cutting height of a longwall panel with a large mining height, joints and fractures have a more obvious influence on coal...
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A Review on Applications of Time-Lapse Electrical Resistivity Tomography Over the Last 30 Years : Perspectives for Mining Waste Monitoring
Mining operations generate large amounts of wastes which are usually stored into large-scale storage facilities which pose major environmental...
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Optimization of Microwave Presplitting Iron Ore to Improve Mechanical Mining Efficiency
Optimizing the microwave parameters adopted in microwave-assisted mechanical mining is of great significance to improving the efficiency of the deep...
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Study on Failure Behaviors of Roofs with Varying Thicknesses in Longwall Coal Mining Working Face
The stability of the roof in coal mining plays a crucial role in ensuring safe excavation. After coal extraction, the roof experiences complex and...
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Ore and Backfill Dilution in Underground Hard Rock Mining
AbstractThe ore dilution is generally defined as the degradation of economical and valuable ore with the addition of the unwanted host rock, failed...
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Study on the distribution characteristics of stress deviator in the surrounding rock when mining closely spaced coal seams
In mining closely spaced coal seams, the roadway arrangement for gas drainage in lower coal seams is always a concern. This paper uses mechanical...
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Study on Cross Main Tunnel Mining Next to Large Fault Structure
Fault structure cut continuity of coal seam, inducing rock burst accident and mine water disaster easily, which bring serious threat to coal...
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Experimental Study of Strainbursts Caused by Stress Concentration and Local Mine Stiffness Decrease as Mining Proceeds
The important role of local mine stiffness (LMS) on rock strainbursts has been extensively recognized. Understanding the evolution of LMS as mining...
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Asymmetric deformation failure mechanism and support technology of roadways under non-uniform pressure from a mining disturbance
The asymmetric and large deformation of roadways under non-uniform pressure caused by a mining disturbance has been a difficulty in many coal mines...
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Development and formation of ground fissures induced by an ultra large mining height longwall panel in Shendong mining area
This study investigated the development and formation of ground fissures at panel 12,401 of the Shangwan Colliery in the Shendong mining area,...
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The development mining-induced surface cracks in shallow coal seam through double-gully terrain: a case study in a coal mine
Surface cracks induced by the mining of shallow seams in the gully region seriously threaten mining safety and ecological stability. This paper...
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Effective evaluation of pressure relief drilling layout for reducing rock bursts and sensitive factor analysis
Rock burst causes serious economic losses during mining. Due to the advantages of simple construction and strong adaptability to geological...
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Instability Mechanism and Surrounding Rock Control Technology of Roadway Subjected to Mining Dynamic Loading with Short Distance: A Case Study of the Gubei Coal Mine in China
The severe deformation of surrounding rock and the easy failure of the anchoring structure of roadway under large dynamic pressure influence in the...
