基于边坡时效性的露天煤矿端帮靠帮开采  

End slope mining and pit slope mining of surface mine base on slope time effect

作　　者：王博文[1] 才庆祥[1] 周伟[1] 舒继森[1] 周游[1] 

机构地区：[1]中国矿业大学煤炭资源与安全开采国家重点实验室,江苏徐州221008

出　　处：《煤炭工程》2010年第4期9-11,共3页Coal Engineering

基　　金：十一五国家科技支撑计划项目(2006BAB16B00);国家自然科学基金项目(50474069)

摘　　要：文章从内排露天矿的内排特点和露天矿边坡断面形式入手,通过比较不同边坡角、不同断面形式的端帮边坡稳定性及最下一个台阶的掩埋高度和时间来分析边坡时效性对露天煤矿端帮靠帮开采的影响。安家岭露天矿充分利用排土场边坡的内排时效性及凸形边坡的边坡设计方法,获得端帮煤量26.56万t,提高了经济效益。The in-pit dumping features of the surface mine and the cross section form of the surface mine,the comparison between the different slope angles,different cross section type end slope stabilities,as well as the next below bench buried height and time was applied to analyze the slope time effect affected to the end slop mining and the pit slope mining of the surface mine.With the in-pit dumping time effect of the dumping slope in the Anjialing Surface Mine and the slope design method of the convex slope,the coal production of 265,600 t from the end slope was obtained and the economic benefir of the surface mine was improved.

关 键 词：露天矿 边坡时效性 靠帮开采 回收率 

分 类 号：TD824[矿业工程—煤矿开采]