采动影响下巷道变形规律与控制对策  

Deformation regularity and control countermeasures of roadway under mining influence

作　　者：张涛[1] 刘红旗 Zhang Tao;Liu Hongqi(Yangdong Mine,Jizhong Energy Fengfeng Group,Handan 056201,China)

机构地区：[1]冀中能源峰峰集团羊东矿

出　　处：《煤炭与化工》2019年第11期11-13,17,共4页Coal and Chemical Industry

摘　　要：采准及工程巷道作为矿井运输、通风及行人的通道,对矿井安全生产起着重要的作用。通过对巷道围岩变形观测及理论分析的方法,研究了羊东矿回采工作面上覆斜巷在采动影响下的变形规律,提出相应控制对策。研究发现,巷道变形分3个阶段,受采动影响呈现出非对称型变形,顶底收敛剧烈,最大变形达300~400mm,并以底臌为主,两帮次之。针对此提出了避压、预留卸压槽、加强支护等控制对策,为采动影响下巷道的布置开挖及维护提供了参考。Mining standards and engineering roadways,as passageways for mine transportation,ventilation,and pedestrians,play an important role in mine safety production.Through the methods of observation and theoretical analysis of the surrounding rock deformation of the roadway,the deformation law of the overburden roadway under the mining face under the influence of mining were studied,and corresponding control measures were proposed.The study found that the deformation of the roadway was divided into three stages,and it showed asymmetric deformation under the influence of mining.The top and bottom converged sharply,the maximum deformation was 300~400 mm,and the bottom mainly,followed by the two sides.Aiming at this,control measures such as pressure avoidance,reserving pressure relief grooves,and strengthening support were proposed,which provided a reference for the layout and excavation and maintenance of the roadway under the influence of mining.

关 键 词：采动影响 巷道变形 支护控制 

分 类 号：TD322[矿业工程—矿井建设]