The in situ rock stress prevents the rise of confined water and water inrush for thick floor aquifuge,but for thin floor aquifuge the in situ rock stress wo.

介绍了力力测量的原理和现场测量结,论述了煤层底板隔层带的理和承沿煤层上升的理,以及原岩力、与隙扩展的关系。