为避免上坪隧道深埋区存在的高地应力可能引起脆性围岩产生岩爆,本文通过对地应力的定性判定、水压致裂法的实测结果,并利用侯发亮及巴顿等人提出的发生岩爆的地应力临界条件进行综合对比分析,得出了上坪隧道局部会产生岩爆的结论。
is one of the pra ctical form of value s. The so-called val ues refers to the objective thi ngs are of no value and the value of fundamental perspe ctive. Different values, people's behavi our, attitudes, ways are different. People-oriente d focus on human value and reality, we nee d the br oade st masses as value s. A dhere to pe ople -oriented val ues, is t o make the economy more devel opme nt,