Results 171 to 180 of about 1,201 (198)

Investigation into the interactive feedback and rock burst mechanism under mining disturbance. [PDF]

Sci Rep
Bai J, Dou L, Gong S, Cao A, Zhang X, Miao L, Guo H.   +6 more
europepmc   +1 more source

Stability control of roadway surrounding rocks under repeated mining: a case study. [PDF]

Sci Rep
Wang T, Wang C, Yang K, Ren B, Chi X, Fu Q, Wang H.   +6 more
europepmc   +1 more source

Gas Loss Compensation Method for Prolonged Exposure Samples from Deep Boreholes: Experiment, Theory, and Numerical Simulation. [PDF]

ACS Omega
Shi G, Wei T, Liu Y, Li B, Wen Z, Zhang H, Tao M.   +6 more
europepmc   +1 more source

Enhancing safety and early warning capabilities in mining through microseismic monitoring technology. [PDF]

Sci Rep
Jin J, Xiao Y, Wu P, Wang J, Liu J, Mo Y, Zhang L.   +6 more
europepmc   +1 more source

Instability Control of Roadway Surrounding Rock in Close-Distance Coal Seam Groups under Repeated Mining [PDF]

Energies, 2021
In order to solve the problems of roadway stability and easy instability under repeated mining of close-distance coal seam groups, the mechanism and control technology of surrounding rock instability under repeated mining were studied via indoor testing,
Yu Xiong, Zhanbo Cheng, Dezhong Kong
exaly   +2 more sources

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Research on long-term migration behaviors of heavy metals after close-distance coal seam backfill mining

Journal of Hazardous Materials
The backfill mining of coal-based solid waste in goaf poses a potential risk of heavy metal pollution to the groundwater environment, and the migration behavior of heavy metals differs significantly under the disturbance of backfill mining in close-distance multi-layer coal seams and single-layer coal seams.
Junmeng Li, Yingshun Li
exaly   +3 more sources

Gas Migration Law and Precision Extraction in Close Distance Coal Seam Goaf: A Case Study

Geotechnical and Geological Engineering, 2023
Dezhong Kong, Kong Dezhong, Shang Yuqi   +2 more
exaly   +2 more sources

Analysis of Close Distance Coal Seam’s Mining Rational Staggered Distance

Advanced Materials Research, 2015
As 2# and 3# coal in Baoxin coal mine are close distance coal seams, combined mining is adopted to ensure the production, and reasonable staggered distance needs to be determined between the upper and lower adjacent workfaces. Calculated on the influence of strata movement, there is a empirical formula for the coal’s alternate distance.It is necessary ...
Bao Sheng Song, Dan Yang Jing, Yu Zhou, Dian Qi Zhou   +3 more
openaire   +1 more source

Research on Mining Fracture of Overburden in Close Distance Multi-seam [PDF]

Procedia Earth and Planetary Science, 2011
In order to explore the influence of the mining fracture of the lower coal seam mining to the previous upper coal seam mined in close distance coal seams, the shallow multi-seam of XinLiangyou mine in county Pu of Shanxi Province is selected as study ...
Xiao-qi Wei, Bai, Hai-bo, Rong, Hu-ren, Zhang, Bo-yang, Hai-bo Bai, Bo-yang Zhang, Jiao, Yang, Wei, Xiao-qi, Hu-ren Rong, Yang Jiao   +9 more
exaly   +2 more sources

Pressure-Relief Mining of the Working Face Under the Coal Pillar in the Close Distance Coal Seams

Geotechnical and Geological Engineering, 2016
Intensive strata behaviors are generated when the No. 8707 working face of the 8# coal seam in a coal mine is advanced by way of the pillars left over of the upper part of 7# close distance coal seam. The theoretical analysis, numerical simulation and filed measurement were utilized to obtain the rule of the stress change when the 8707 working face of ...
Jun Zhao, Guangbo Li
openaire   +1 more source