本文根据笔者现场调查取得的第一手资料及收集其他地区的资料进行了分析对比,对构 造应力场的演化作了定性的分析,初步判定地应力的大小以及对隧道施工的影响。

Based o n the fi rstha nd informa tions o btained from autho r 's investiga tio n in situ and the info rmatio ns collected from o ther regio ns, the a nalyses and the compari sons betw een these info rmatio ns are put fo rw ard. The evo lutio n o f the st ructural st ress field i s a naly zed qualitativ ely. And the amount o f g round st ress a nd it s ef fect on tunnel co nst ructio n are decided preliminari ly.