作者单位:ZHANG Jia-yong,GUO Li-wen(College of Mining Engineering,Hebei United Univenity Tangshan Hebei 063009,China; Hebei Key Laboratory or Mineral Development & Security Technology, Tangshan Hebei 063009, China)张嘉勇,郭立稳(河北省矿业研究与开发重点实验室,河北唐山063009;河北联合大学矿业工程学院,河北唐山063009)