TY -的A2张Junfei AU -高,Baobin盟,任Chuangnan盟——咚,群盟——陈,身子PY - 2021 DA - 2021/06/25 TI -动态行为研究法律和微震监测巷道在回采过程中气体和高宽煤柱SP - 5135964六世- 2021 AB -为了研究开采过程中的动态特性和微震的分布与高气体和宽煤柱巷道,结合两种动态事件的N2105工作面Yuwu煤炭行业,理论分析和现场测量进行了研究。根据结构力学和地质力学理论,动态出现的原因进行了分析。结合具体情况,开采深度的影响,煤柱宽度、气体压力和内容的动态性能进行了分析。压力监测和微震监测煤层一侧进行。结果表明,采矿距离的增加,采空区的背后屋顶容易不平衡的断裂是由于缺乏横向压力,和用于产生的冲击压力背后的保留保护煤柱采空区,导致煤层底板隆起。下面的背斜构造所产生的复合应力工作面与工作面支承压力的产生叠加效应,可以促进的发生动态的外观。岩石破裂的临界深度Yuwu煤炭行业大约有600米。煤矿顶板沉降造成的弹性能量的增加更统一的煤柱宽度的增加。在煤层瓦斯压力的减少促进岩爆灾害。煤层的垂直压力的一侧工作面沿着趋势显示不同的演化特征和罢工。 The vertical stress of coal seam in the lateral range of 53 m is adjusted to different degrees and tends to be stable until 300 m behind the working face. The active microseismic area in the middle of the working face was located 50 m in front of the working face, and the microseismic activity continued to 30–50 m behind the working face. The active microseismic area at the side of the roadway was located 30 m in front of the working face, and the microseismic activity continued to 100–180 m behind the working face. The inflection point, where the stress in the elastic area of coal pillar increases sharply, corresponds to the active microseismic area, which indicates that the dynamic characteristics in the mining process of roadway with high gas and wide coal pillar are related to the distribution law of microseismic. This study has a certain guiding significance for optimizing the width of reserved coal pillar, monitoring the coal seam stress/microseismic, and understanding the dynamic disaster of coal and rock under complex conditions. SN - 1070-9622 UR - https://doi.org/10.1155/2021/5135964 DO - 10.1155/2021/5135964 JF - Shock and Vibration PB - Hindawi KW - ER -