摘要
通过对丰都至忠县高速全线隧道围岩的勘察以及分析,对所涉及的8座隧道的围岩进行合理分级,为设计提供参考。
Based on the investigation and analysis of tunnel surrounding rock of expressway from Fengdu to Zhongxian, 8 tunnel surrounding rock are graded reasonably, which can provide reference for design.
出处
《交通标准化》
2013年第1期67-69,共3页
Communications Standardization
关键词
丰忠高速
隧道围岩
分级
fengzhong expressway
tunnel surrounding rock
classification
