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Gas-dynamic phenomena caused by rock mass tremors and rock bursts
International Journal of Mining Science and Technology ( IF 11.7 ) Pub Date : 2020-04-10 , DOI: 10.1016/j.ijmst.2020.03.012
Stanisław Wasilewski

Similar to coal, rock and gas ejections, rock mass tremors and rock bursts are among the most serious natural hazards accompanying the underground extraction of coal. Gas-dynamic phenomena caused by rock mass tremors and rock bursts observed as transient states of air parameters in mining headings, are usually generated as a result of a change in the geometry of headings and the release of considerable amounts of gases. Particular significance is attributed to transient states caused by disasters, which are often accompanied by rapid incidents, presenting threats to the life and health of the underground crew. In Polish mining there are known examples of transient states of air parameters recorded during gas-dynamic phenomena, e.g. tremors and rock bursts. The paper presents the case studies of rapid seismic incidents to show how records in mine monitoring systems broaden the knowledge about the transient states of air parameters in mining headings generated because of them.



中文翻译:

岩体地震和岩爆引起的气体动力学现象

与煤一样,岩石和瓦斯喷射,岩体震颤和岩爆是伴随煤炭地下开采而最为严重的自然灾害之一。通常由于抽头几何形状的变化和大量气体的释放而产生由岩体震颤和岩爆引起的气体动力学现象,这些现象是采矿参数中空气参数的瞬态状态。特别重要的是由于灾害造成的短暂状态,这些状态经常伴随着快速事件,对地下人员的生命和健康构成威胁。在波兰的采矿中,已知有在气体动力学现象(例如震颤和岩石破裂)期间记录的空气参数瞬态状态的示例。

更新日期:2020-04-10
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