Presented paper

Surface Water Inrush Mechanisms of Shallow Buried Coal Seams: A Single Crack Experiment and Discussion

Hou, Enke (1); Che, Xiaoyang (1); Luo, Xiaoxia (2); Long, Tianwen (1); Chi, Baosuo (3)
1: Xi'an University of Science and Technology, China, People's Republic of; 2: Xi'an University of Science and Technology, China, People's Republic of; 3: Northern Shaanxi mining Co.,Ltd,China, People's Republic of

Water burst from ground channel crack is a scientific challenge in coal mine safety issue, fully understanding the rule of water burst is significant to mine water disaster in shallow coal seam.Variable controlling approach is used to discuss water crack volume with different variables including channel slope, crack widths and flow volume. The experiment results show that crack width has a positive correlation with water crack volume, whereas channel gradients has a negative correlation with it. The water crack volume can be calculated by the binary non-linear equation. The results may reduce risk of water burst accident.

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IMWA2019 Conference

Genkel st. 4, Perm, Russia, 614990

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