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Open AccessCorrection: Research on abutment stress distribution of roof-cutting coalface: numerical simulation and field measurement
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Article
Open AccessResearch on abutment stress distribution of roof-cutting coalface: numerical simulation and field measurement
During the processing of deep mining, revealing the distribution of abutment pressure is significant for controlling stability of the entry. In this study, the abutment pressure distribution of roof-cutting co...
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Article
Open AccessStudy on the disaster caused by the linkage failure of the residual coal pillar and rock stratum during multiple coal seam mining: mechanism of progressive and dynamic failure
Multi-seam mining often leads to the retention of a significant number of coal pillars for purposes such as protection, safety, or water isolation. However, stress concentration beneath these residual coal pil...
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Article
Numerical investigation on mechanism and fluid flow behavior of goaf water inrush: a case study of Dongyu coal mine
Goaf water inrush has become one of the most prominent issues threatening the safety production of coal mines. To better understand how this hazard develops, a mechanical model and a nonlinear flow model were ...
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Article
AE and Damage Characteristics of Coal with Different Water Soaked Depths Under Uniaxial Compression
The stability of remnant coal pillars is of great significance for safe mining of coal resources around them. The remnant coal pillars are often soaked in mine water with a certain height. Different water leve...