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Study on the safety distance determination model for natural gas wells in Ordos Basin subsidence areas of coal mining
Published 2025-01-01“…Abstract To optimize the safe distance between coal mining faces and natural gas wells, with the Ordos Basin as the engineering background for the intersectional development of natural gas and coal resources, a Gaussian function equation for subsidence curves under complete mining was proposed based on the probability integral method, and a model was constructed to determine the coordinated mining safety distance between coal mining faces and natural gas wells. …”
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102
A Case Study on the Control of Large Deformations in a Roadway Located in the Du’erping Coal Mine in China
Published 2019-01-01“…This paper describes a case study of large deformation control in a roadway surrounded with broken rock located in the Du’erping coal mine in the Shanxi Province of China. A new “shell + bolt + shotcrete” combined support structure is proposed to support the north wing main haulage roadway. …”
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DITC control strategy for semi-direct drive system with switched reluctance motor in coal mine belt conveyor
Published 2024-12-01“…The underground belt conveyor at Pingdingshan Tian'an Coal Mining No. 9 Co., Ltd. uses a drive system consisting of an asynchronous motor, hydraulic coupling, and reduction gears. …”
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105
Experimental Investigation of Flow Resistance in a Coal Mine Ventilation Air Methane Preheated Catalytic Oxidation Reactor
Published 2015-01-01“…This paper reports the results of experimental investigation of flow resistance in a coal mine ventilation air methane preheated catalytic oxidation reactor. …”
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106
Bed Separation Characteristics of an LTCC Panel and Subsidence Controlling Grouting: Case Study of Longquan Coal Mine, China
Published 2022-01-01“…The bed separation backfill grouting (BSBG) is commonly used to mitigate the surface subsidence caused by coal mining. The distribution characteristics of bed separation and its dynamic evolving process are crucial for BSBG design. …”
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107
Characterizing the deformation, failure, and water-conducting fractures evolution of shallow weakly cemented overburden under coal mining
Published 2025-02-01Subjects: Get full text
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108
Collaborative control technology and application of support and modification for soft-rock roadway in a kilometer-deep coal mine
Published 2025-01-01“…Abstract The soft-rock roadways in kilometer-deep coal mines are often damaged by large deformation and have to be periodically expanded and repaired, which seriously restricts the safe and efficient production of coal mines. …”
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109
Geological characteristics of coal mines in the Zagros Basin of Iran: Unveiling rock mechanical properties and time-dependent behavior
Published 2025-03-01Subjects: “…Coal mine…”
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110
Modified Stochastic Petri Net-Based Modeling and Optimization of Emergency Rescue Processes during Coal Mine Accidents
Published 2021-01-01“…The coal mine accidents seriously affect the safety and efficiency of mining for coal mining enterprises. …”
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111
Research on Arch Model and Numerical Simulation of Critical Water and Sand Inrush in Coal Mine near Unconsolidated Layers
Published 2020-01-01“…With the continuous increase of the upper limit of coal mining, in mining areas near unconsolidated layers, water and sand inrush disasters occur from time to time, seriously threatening the safety of mine production. …”
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112
Characteristics of Water Pollution and Evaluation of Water Quality in Subsidence Water Bodies in Huainan Coal Mining Areas, China
Published 2022-01-01“…The subsidence water bodies in coal mining areas are vulnerable to being polluted by the surrounding mining production wastewater, domestic sewage, and agricultural return flow. …”
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113
RESEARCH IN THE FIELD OF TECHNICAL EXPERTISE AND TRACK REHABILITATION FOR A COAL MINING MACHINE TYPE M4A T2052-78
Published 2023-05-01Subjects: Get full text
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114
Game Modelling and Strategy Research on Trilateral Evolution for Coal-Mine Operational Safety Production System: A Simulation Approach
Published 2020-01-01“…In view of the particularity and high risk of coal mining industry, the decision-making behavior of multiple agents inside the coal-mine enterprise plays a very important role in ensuring the safety and sustainable development of coal mining industry. …”
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115
Evaluation of the Influencing Factors of Using Underground Space of Abandoned Coal Mines to Store Hydrogen Based on the Improved ANP Method
Published 2021-01-01“…Hydrogen storage in abandoned coal mines can achieve the effective use of underground space while meeting the growing demand for energy storage facilities, which can bring economic and environmental benefits. …”
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116
Failure Characteristics and Stability Control of Bolt Support in Thick-Coal-Seam Roadway of Three Typical Coal Mines in China
Published 2021-01-01“…Based on field observations, the failure mechanism of selected roadway failures under distinct conditions at three representative coal mines in eastern and western China was analyzed. …”
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117
Machine learning-based monitoring of land cover and reclamation plantations on coal-mined landscape using Sentinel 2 data
Published 2025-02-01Subjects: “…Coal mine overburden…”
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Comprehensive Monitoring Research on the Effect of Roof Cutting and Pressure Release: A Case Study of the Jiulishan Coal Mine in China
Published 2022-01-01“…The longwall panel of the Jiulishan coal mine is affected by floor-confined water, while the roof rock weighting makes the production management of some longwall panels difficult. …”
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