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地层应力是参与和发动煤与瓦斯突出动力现象中一个非常重要的因素,较长时间以来直接观察应力活动的手段是十分奇缺的,特别是从地面观察井下瞬间应力变化并把它记录下来,则是瓦斯研究人员,地应力研究
Stratigraphic stress is a very important factor in participating in and initiating the phenomena of coal and gas outburst. It is very scarce to observe the stress activities for a long time. In particular, it is necessary to observe and record the instant underground stress changes from the ground, It is a gas researcher, geostress research