摘要
为了确定软煤层大采高综采覆岩"两带"发育高度,以赵庄煤业大采高综采工作面为研究对象,分析了大采高开采工作面的矿压显现规律,并采用电法监测技术实测得出了覆岩"两带"发育高度。基于以上实测结论,通过力学解析得到了覆岩"两带"发育高度的修正公式,为后续工作面高抽巷层位确定提供了指导。实践结果表明,该公式吻合现场实际,应用效果良好。
In order to confirmed ＇ two belts＇ height of overlying strata with large mining height fully mechanized mining in soft coal seam, it taking fully mechanized mining working face in Zhaozhuang coal mine as studying objects, then mine pressure rules of large mining height working face was analyzed, and ＇ two belts＇ development height was tested in filed by electrical monitoring tech- nique. On the basis of filed testing conclusions, modifier formula of ＇ two belts＇ development height was put forward by mechanical a- nalysis, it provided guidance for layer confirmation of high level drainage roadway, the practical results showed the formula satisfied for filed practical and application effect was good.
出处
《煤矿开采》
北大核心
2016年第3期94-97,121,共5页
Coal Mining Technology
基金
国家自然科学青年基金项目(51304118)
青年科学基金项目(51504136)
关键词
大采高综采
覆岩“两带”高度
修正公式
fully mechanized mining with large mining height
overlying strata ＇ two belts＇ height, modifier formula
