采空区

• Practice on measuring temperature of spontaneous ignition in goaf in jianxin colliery
  建新矿采空区自然发火测温实践
• Practices on exploring coal pit c oft by electrical prospecting technology
  应用电法勘探技术勘查小窑采空区的初步尝试
• Brief analysis on outburst prevention in drivage and gas control in winning area
  采区上山过小煤窑采空区通风瓦斯管理
• Ground subsidence predictions for highway underlaying multiplayer goaf
  高速公路下伏多层采空区地表沉陷的预计评价方法
• Stability analysis and grouting treatment of mined - out area underlying speedway
  高速公路下伏采空区稳定性分析及注浆处理
• Key issues concerning transforming an underground mined area into tailings reservoir
  地下采空区改建尾矿库的几个关键问题
• Application of nitrogen injection technique for goaf of sublevel caving working face
  注氮技术在放顶煤工作面采空区的应用
• Mining practices on coal pillar and room mining under two goaf and highway bridge
  基于上覆两层采空区的公路桥煤柱条带开采
• Treatmant course and self - examination on a spontaneous combustion accident in gob
  一起采空区自然发火事故的处理经过及反思
• Simulating model and example analysis of applying electric surveying to detect gob
  二维电法探测采空区的模拟模型及实例分析