采空区

• Practice of goaf back filling using solid wastes
  固体废弃物充填地下采空区的实践
• Stability analysis of the building foundation for goaf
  采空区建筑地基稳定性评价研究
• Methods and prospects for methane drainage in goaf
  采空区瓦斯抽放方法与展望
• Practice of fire prevention and extinguishing in adjacent gobs
  相邻采空区防灭火实践
• Subsidence processing on goaf under railway
  铁路下采空区塌陷问题的处理探讨
• Study on goaf disposal of sandaozhuang mine area
  三道庄矿区采空区处理研究
• Congregation analysis of coalbed methane in gob area based on gis
  的采空区煤层气聚集分析
• Application of fire bulkhead and grouting in mined area
  防水墙及注浆技术在煤矿采空区的应用
• Geophysical methods on survey of mined - out area
  采空区的物探勘查方法
• Finite element simulation of the base stability on empty district
  采空区地基稳定性有限元模拟