欢迎访问《金属矿山》杂志官方网站,今天是 分享到:
×

扫码分享

金属矿山 ›› 2012, Vol. 41 ›› Issue (03): 10-14.

• 采矿工程 • 上一篇    下一篇

小煤窑采空区充填材料及复采技术研究

朱建明1,2,马中文2,徐金海3,吴吉南4   

  1. 1.北方工业大学建筑工程学院;2.北京航空航天大学交通科学与工程学院;3.中国矿业大学矿业学院;4.中煤平朔煤业有限公司
  • 出版日期:2012-03-27 发布日期:2012-04-18

Study on Goaf Filling Material of Small Coal Mine and Repeated Mining

Zhu Jianming1,2,Ma Zhongwen2,Xu Jinhai3,Wu Jinan4   

  1. 1.School of Civil Engineering,North China University of Technology;2.School of Traffic Science and Technology,Beihang University;3.School of Mining Engineering,China University of Mining and Technology;4.ChinaCoal Pingshuo Coal Co.,Ltd.
  • Online:2012-03-27 Published:2012-04-18

摘要: 为了实现中煤平朔安家岭2号井工矿B909工作面小煤窑采空区的安全高效开采,采用充填全部采空区的方式进行复采。根据施工和回采的要求,经过多方面的比选后,确定以瑞米材料和发泡水泥为充填材料。通过对取自施工现场的材料进行抗压和劈裂抗拉强度试验,结果表明,上述2种材料具有良好的力学性能,满足工作面充填复采的技术要求。  

关键词: 小煤窑采空区, 充填材料, 强度, 充填复采

Abstract: The goaf was filled in B909 working face of Pingshuo Anjialing No.2 underground coal mine of Chinacoal to realize the safety and high-efficiency.To meet the needs of construction and mining,Ruimi material and Foamed cement were confirmed as the filling material after a variety of comparative choices.The results of the compressive strength test and the splitting tensile strength test showed that the materials mentioned were with well mechanical properties,and they could fulfill the requirement of filling mining.

Key words: Goaf of small coal mine, Filling material, Ftrength, Filling repeated mining