摘要
简要介绍了"国道217线K924+430～K925+055段隧道"的工程地质条件,对该段隧道进行了稳定性评价和围岩分级,得出该隧道围岩体主要以Ⅱ类岩体为主,Ⅲ类围岩体次之,并有少量的Ⅳ类和Ⅴ类岩体。
The paper has the brief introduction of the engineering geological conditions for ＂K924 ＋430 - K925 ＋ 055 section tunnel along 217 national line＂, has the stability evaluation and surrounding classifications for the tunnel, and concludes the tunnel＇ s rock mainly consists of Ⅱ type rock and Ⅲ type rock follows with rare Ⅳ and Ⅴ mountainous rocks.
出处
《山西建筑》
2010年第34期307-309,共3页
Shanxi Architecture
关键词
隧道
稳定性
围岩分级
tunnel, stability, surrounding rock classification
