This paper introduces thinking and parameter of design for bolt support with covering deeply on road driving next goaf with specific geological condition of 2102 roadway of Chensilou coal mine.

 
  • 结合陈四楼煤矿2102机巷的具体地质条件,介绍了大埋深沿空掘巷锚杆支护的设计思路、设计参数。
今日热词
目录 附录 查词历史