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作 者:闫军伟 YAN Junwei(Lvliang Energy Development Service Center,Lvliang 033000,Shanxi,China)
机构地区:[1]吕梁市能源发展服务中心,山西吕梁033000
出 处:《能源与节能》2025年第4期314-317,共4页Energy and Energy Conservation
摘 要:针对煤矿大采高工作面煤壁片帮冒顶问题进行了系统研究。首先,分析煤矿大采高工作面的定义、特点及其开采工艺,详细阐述煤壁片帮和冒顶的基本概念及常见原因。其次,从岩层力学的角度深入探讨煤壁片帮和冒顶的力学机制,研究应力分布对其影响。综合分析地质构造、煤层及顶板特性、采矿方法和外部环境等多种因素对煤壁片帮和冒顶的影响。并介绍相关的监测技术和预警系统,通过实例验证其有效性。最后,提出包括物理加固、工艺改进和支护优化在内的防治措施。研究结果为煤矿大采高工作面安全生产提供了理论依据和技术支持,具有重要的实践意义。The issues of rib spalling and roof collapse in large mining height working faces in coal mines were systematically investigated.The research begins with an analysis of the definition,characteristics and mining methods of large mining height working faces,followed by a detailed explanation of the fundamental concepts and common causes of rib spalling and roof collapse.From the perspective of rock mechanics,the mechanical mechanisms behind these phenomena were delved into,examining the influence of stress distribution.A comprehensive analysis was conducted on various contributing factors,including geological structures,coal seam and roof characteristics,mining methods,and external environmental conditions.Relevant monitoring technologies and early warning systems were also introduced,with their effectiveness validated through case studies.Finally,preventive measures were proposed,encompassing physical reinforcement,process improvement and support optimization.The research findings provide theoretical foundations and technical support for safe production in large mining height working faces in coal mines,holding significant practical implications.
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