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1-4 of 4 results for Extra-thick coal seam

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Research article

First published 2017-10

Prediction of top-coal caving and drawing characteristics by the analytic hierarchy process-fuzzy discrimination method in extra-thick coal seams

Mingbo Chi, Dongsheng Zhang, Gangwei Fan [...]

Journal of Intelligent & Fuzzy Systems: Applications in Engineering and Technology

Open access

Research article

First published 2023-5

Surrounding rock activity law and support optimization of double flexible formwork wall gob-side entry retention in stratified mining coal seams

Xiaofan Cao, Xiaoli Wang, Zhiqiang Zhang [...]

Energy Exploration & Exploitation

Open access

Research article

First published 2022-9

Study on mechanism and improvement technology of Top coal loss in horizontal sublevel fully mechanized caving mining

Fengfeng Wu, Shurong Zhang, Xin Yue [...]

Energy Exploration & Exploitation

Open access

Research article

First published 2022-7

Study on instability discriminating condition and permeability variation of triangle articulated structure in highly inclined goaf

Song Qin, Haifei Lin, Zongyong Wei [...]

Energy Exploration & Exploitation