The essence of both rockburst and coal and gas outburst lies in fast energy release. In order to explore the energy action mechanism of coal and gas outburst induced by rockburst in rockburst and coal and gas outburst combined mines, the split Hopkinson pressure bar (SHPB) experimental device was firstly used to conduct uniaxial impact failure test of coal specimens prone to outburst under different strain rates, and their energy dissipation laws under impact loading were obtained. Next, under the engineering background of coal and gas dynamic phenomena induced by rockburst with different intensities in Xinyi Coal Mine and Pingdingshan Coal Group No. 12 Colliery in Henan Province and Dingji Coal Mine of Huainan Mining Group in Anhui Province, experimental study results were combined with numerical simulation analysis to discuss the energy mechanism of coal and gas outburst induced by rockburst. The study results show that the outburst can be divided into two different processes—critical outburst and outburst—according to the evolution law of outburst energy, and the critical energy conditions for coal and gas outburst are proposed. The minimum destructive energy range for the critical outburst of coal mass is obtained as (5–10) × 10⁴ J/m³. Under some low gas, high stress, or strong disturbance conditions, applied loads can become the main energy sources causing critical failure and even crushing and throwing of coal mass. The coal mass will present an interval splitting structure under dynamic loading, which is obviously different from the failure mode of coal mass under static actions.

中文翻译：

---

岩爆诱发煤与瓦斯突出的能量作用机制

岩爆和煤与瓦斯突出的本质都在于能量的快速释放。为探讨岩爆及煤瓦斯突出联合矿井岩爆诱发煤瓦斯突出的能量作用机理，首次采用分体式霍普金森压杆（SHPB）实验装置对易发生冲击的煤试件进行单轴冲击破坏试验。得到了不同应变率下的爆裂，以及冲击载荷作用下的能量耗散规律。接下来，在河南信义煤矿、平顶山12煤矿和安徽淮南矿业集团丁集煤矿不同强度岩爆诱发煤和瓦斯动力现象的工程背景下，将试验研究结果与数值模拟分析相结合，探讨了岩爆诱发煤与瓦斯突出的能量机制。研究结果表明，根据突出能量的演化规律，可以将突出分为临界突出和突出两个不同的过程，并提出煤与瓦斯突出的临界能量条件。煤体临界突出的最小破坏能量范围为（5-10）×10⁴ 焦耳/米³。在一些低瓦斯、高应力或强扰动条件下，外加载荷可成为引起煤体严重失效甚至压碎、抛煤的主要能源。煤体在动力荷载作用下会呈现区间劈裂结构，这与煤体在静态作用下的破坏模式明显不同。