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521
Experimental and Numerical Evaluation of Rock Dynamic Test with Split-Hopkinson Pressure Bar
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522
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526
Microseismic Response Characteristics Induced by Mining Activities: A Case Study
Published 2021-01-01“…For deep coal mines, geological disturbances or mining activities can cause damage to coal and rock masses, easily inducing dynamic disasters such as rock bursts or coal and gas outbursts, which seriously threaten the safety production of coal mine. …”
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527
Dynamics and Statics Analysis of Manipulator of Coalmine Detection Robot
Published 2017-01-01“…Aiming at the actual situation of coal mines unmanned area,a four wheels drives small space detecting robot system for collecting information and samples of the underground environment is designed and developed. …”
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528
Mechanical properties and crack propagation law of coal under different CO2 adsorption time
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529
Overlying strata movement law and rockburst prevention & control for fully mechanized top coal caving face in extra-thick coal seams
Published 2025-02-01“…Taking the 12,240 working face of Gengcun Coal Mine as the engineering background, initially, the calculation formula for the collaborative deformation load of hard rock strata and the formula for the instability scale of hard rock strata are employed to precisely ascertain the position and instability scale of the key strata. …”
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530
Evolution characteristics of overburden structure in inclined fully mechanized caving under residual coal pillars of the upper layer
Published 2024-12-01“…Based on the 250203 lower fully mechanized caving face at Yanbei Coal Mine of Gansu Huating Coal Power Co., Ltd., methods of physical similarity simulation experiments, numerical modeling, and field measurements were applied to study the overburden movement and stress distribution evolution characteristics under residual coal pillars of the upper layer during inclined fully mechanized caving. …”
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531
Experimental Study on Compaction Characteristics and Mechanical Behavior of Crushed Rock Masses
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532
Analysis on Rock Burst Risks and Prevention of a 54 m-Wide Coal Pillar for Roadway Protection in a Fully Mechanized Top-Coal Caving Face
Published 2021-01-01“…A case study based on the 401103 fully mechanized caving face in the Hujiahe Coal Mine was carried out in this research to analyze the rock burst risks in a 54 m-wide coal pillar for roadway protection. …”
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533
Mechanical Mechanism of Water Injection to Enhance the Stability of Soft Coal
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534
Optimization of turbidity and iron removal process for mine reuse water based on response surface methodology
Published 2024-12-01“…Response surface methodology(RSM) was used to optimize the turbidity and iron removal coagulation process for coal mine reuse water. On the basis of single-factor experiments, pH, coagulant dosage and aeration time were selected as influencing factors, turbidity removal efficiency and total iron removal efficiency were taken as the response values, three-factor three-level experimental design was carried out by using Box-Benhnken design(BBD), to study the effects of individual and interactive interactions between the respective variables on the response values. …”
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535
Analysis of the Occurrence Mechanism for Coal and Gas Outburst Based on Multiple Discriminant Indices
Published 2019-01-01“…In order to reveal the occurrence mechanism of coal and gas outburst and optimize the measures to prevent the disaster, a coal mine in Henan Province was undertaken as the research background. …”
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536
A Novel Design of Rescue Capsule considering the Pressure Characteristics and Thermal Dynamic Response with Thermomechanical Coupling Action Subjected to Gas Explosion Load
Published 2017-01-01“…The design method presented in this work provides a new thought for design of coal mine rescue capsule.…”
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537
A Control Approach of the Roof in No-Pillar Roadway Formed by Roof Cutting and Pressure Releasing
Published 2021-01-01“…Based on the Qiuji coal mine’s background, the numerical and field test study is conducted to verify the theoretical analysis, and the allowable variation range of roof cutting distance is obtained. …”
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538
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Cocompetitive Characteristics and Quantitative Design of Engineering Parameters for Coal Gas Predrainage Boreholes
Published 2022-01-01“…Finally, Comsol With Matlab is used to solve the multiconstraint nonlinear optimization problem of gas drainage engineering parameters along coal seam in 18401 working face of Tunlan Coal Mine. The effect of actual gas extraction investigation is very remarkable, which provides a quantitative calculation basis for scientific gas extraction in coal mine.…”
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540
Comprehensive characterization of pore structure in coal seams with abnormal gas emission in deep close range coal seam clusters
Published 2024-12-01“…Coal and gas outburst accidents have always been a major problem in coal mine safety production. Pores and fissures in coal are the main places for gas adsorption and migration. …”
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