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Evolution analysis of research on disaster-causing mechanism and prevention technology of mine goaf disaster
The goaf is an important factor that induces major accidents. Based on the quantitative analysis of the existing research results, summarize and sort...
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Constitutive relation and particle size distribution model of rock fragments in the goaf
Permeability is considered a key parameter used in goaf flow simulation. Particle size of caved rock fragments is an important factor that affects...
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Numerical simulation and investigation of methane gas distribution and extraction in goaf with U-type ventilation of working face
The accumulated methane in goaf during coal mining may leak into the working face under the airflow influence, which is possibly causing disasters...
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Characteristics and main factors of foam flow in broken rock mass in coal mine goaf
To protect the environment and reduce the occurrence of coal mine fire, foam injection in goafs is an effective measure for preventing and...
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Research on gas hazard prevention and control of a high-gas fully mechanized mining face based on ventilation system optimization
The gas accumulation in the return corner of a high-gas fully mechanized mining face can easily cause the gas volume fraction to exceed the safety...
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Dynamic prediction of displacement and deformation of any point on mining surface based on B-normal model
The surface displacement and deformation of goaf caused by coal mining destroy the underground rock structure and surface ecological environment in...
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Risk pre-control mechanism of mines based on evidence-based safety management and safety big data
The overexploitation of mineral resources and the heavy use of mineral resources have caused serious environmental damage. The growing problem of...
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Stability analysis of pumped storage hydropower plant in abandoned open-pit mine affected by dynamic surface subsidence of combined mining
The construction of a pumped storage hydropower plant (PSHP) in an abandoned open-pit mine is a potential alternative to green mining and energy...
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Experimental investigation on dynamic deformation characteristics of the overlying strata in backfilling strip mining at different time scales
The dynamic subsidence disaster caused by underground mining of coal resources is a complex spatiotemporal process, which is a common disaster in...
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Hydrochemical and Hydrogen–Oxygen Isotope-Based Identification of Water Sources in Mine Wells
AbstractMine gushing water disaster is one of the important factors affecting the safe production of coal mines, accurate identification of mine...
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A visual knowledge map analysis of mine fire research based on CiteSpace
Mine fire has always been a serious disaster in coal industry; many academic achievements have poured out in the past two decades for solving this...
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A method for evaluating the coal spontaneous combustion index by the coefficient of variation and Kruskal–Wallis test: a case study
Focusing on the precise prediction of coal spontaneous combustion (CSC), temperature-programmed experiment was conducted to identify the coal...
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Effect of the reignition characteristics on long-flame coal by oxidization and water immersion
After a coal seam is mined, the coal remaining in the goaf is prone to flooding and spontaneous combustion accidents. To explore the reignition...
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Assessment of coal mining land subsidence by using an innovative comprehensive weighted cloud model combined with a PSR conceptual model
Research on land subsidence is a global topic. In recent years, the environmental problems caused by coal mining have received great attention. In...
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Investigation on preventive inerting approach of coal spontaneous combustion in gob considering adsorption effect
Coal spontaneous combustion in the gob poses a significant threat to coal mining operations. Designing optimal process parameters for nitrogen...
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Experimental study on time-dependent rheological properties and mechanical performance of cemented fine tailings backfill mixed with polypropylene fiber
By preparing fine tailings slurry with different mass concentration and fiber content, the rheological parameters of slurry with different fiber...
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Modeling of gas emission in coal mine excavation workface: a new insight into the prediction model
Coalbed methane (CBM) is a clean energy source, but its utilization is inefficient due to the complexity and low accuracy of its emission prediction...
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Experimental study on the seepage mutation of natural karst collapse pillar (KCP) fillings over mass outflow
Conduction between the unique geological formation karst collapse pillar (KCP) and the fractures caused by mining in the coal seam floor can lead to...
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Differences in the dynamic evolution of surface crack widths at different locations in the trench slope area and the mechanisms: a case study
Coal seams were buried extremely shallowly in the trench slope area, which is prone to inducing surface cracks, seriously threatening the surface...
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Failure evolution and instability prediction of fiber-reinforced polymer-confined cement mortar specimens under axial compression
In geotechnical engineering, a large number of pillars are often left in underground space to support the overlying strata and protect the surface...
