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Structural Layout and Parameters of Hydroimpactors for End Effectors of Mining Machines
AbstractThe authors substantiate the design of an excavator’s end effector for joint rock crushing and loading. The structural layout and parameters...
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Gangue grouting filling in subsequent space of coal green mining: methodology and case study
Underground backfilling stands out as a crucial technological strategy for the eco-friendly and effective management of solid waste in mining...
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Comparative Analysis on the Safety Characteristics of N00 Mining Method with Conventional 121 Mining Method
Driven by the need to address safety concerns in current mining systems, we have developed a novel coal mining technology known as the N00 mining...
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Fractal characteristics of mining-induced overburden fracture development during fully mechanized coal mining
In the process of coal mining, the residual goaf will destroy the stress balance state of the overlying strata, which will result in a large number...
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Evolution Law of Mining-induced Fractures in Shallow Buried Close Coal Seams Mining
In order to explore the evolution law of mining-induced fractures in shallow single coal seam mining and repeated mining, based on the background of...
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Research on the layout optimization and utilization of floor gas extraction roadway: a case study in Shoushan No.1 Coal Mine, China
Gas extraction with the crossing boreholes of the floor rock roadway is an important method to prevent accidents of coal and gas outbursts. The...
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Study of the Impact of Hard Rock Pillar Behavior on the Raise Caving Mining System
Raise caving is a novel mining method with an active stress control approach, which is suitable for deep mining environments. The application of...
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Considerations Related to Active Stress Management in Deep Mining
The objective of mining is to supply society with mineral and therefore to extract mineral deposits safely and economically, and as completely as...
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Influence of Mining Speed on Stope Energy in Deep Mines
Enhancing the mining speed of a working face has become the primary approach to achieve high production and efficiency in coal mines, thereby further...
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Influence of filling mining on ground stability in a metal mine
Large-scale mining of metal mines is likely to form a large area of goaf underground, which is easy to cause large-scale ground subsidence and goaf...
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Numerical Simulation Study on Pressure-Relief Effect of Protective Layer Mining in Coal Seams Prone to Rockburst Hazard
Protective layer mining is an important regional measure to reduce pressure and prevent rockburst. Based on the engineering background of frequent...
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Sublevel Shrinkage (SLSh) Mining—A State-of-the-art Review
Sublevel shrinkage (SLSh) is an underground mining method similar to sublevel caving (SLC) but with continuous backfilling from the top. It features...
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Evaluating the Safety of Using the Combined Mining Method in Close-Distance Coal Seams
This study aimed to investigate the internal dislocation law of coal seam working face under coal pillars with different widths and evaluate the...
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Relationship between soil water content and vegetation distribution in a small area before and after coal seam mining: a case study of coal mining subsidence area in Northwest China
Soil water content and vegetation are two key factors in the ecological recovery of coal mining subsidence areas, and the distribution of vegetation...
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Raise Caving—A Hybrid Mining Method Addressing Current Deep Cave Mining Challenges
Cave mining progresses to depths exceeding 1000 m and ore bodies situated in competent and strong rock masses are nowadays extracted by different...
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Analysis of Lateral Roof Structure and Stability Control Technology in Island Working Face Mining Roadways
Considering the challenge posed by formidable mining pressure in the exploitation of island working faces, this study focuses on the control...
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The influence of mining stress paths on rock damage and permeability
To explore the stability control mechanism of surrounding rock during coal seam mining, the rock mechanical properties under the mining stress path...
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Gas Flow Characteristics and Optimization of Gas Drainage Borehole Layout in Protective Coal Seam Mining: A Case Study from the Shaqu Coal Mine, Shanxi Province, China
With increasing demands for coal resources, coal has been gradually mined in deep coal seams. Due to high gas content, pressure and in situ stress,...
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Optimization of gateroad layout under remnant structures in longwall undermining based on slip line field theory
Optimization of roadway layout is the key of multi-coal seam long wall excavation. In this paper, the underlying gateroad layout optimization with...
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Stress Evolution of Repeated Mining Based on the Double-Yield Model in Multiple Coal Seam
AbstractThe Double-Yield (D-Y) model is a widely used method for predicting the mechanical properties of caved rock. However, determining the...
