摘要
隧道围岩级别判定是新奥法施工反馈设计的重要组成部分,以平定至阳曲高速公路秋林特长隧道为例,介绍三车道隧道在施工过程中对围岩级别的判定过程,总结准确判定围岩级别的成功方法。
Combined with the construction practice ,the paper introduced the determination of surrounding rock level in the construction of three-lane tunnel, and proposed its relative methods.
出处
《山西交通科技》
2012年第6期61-63,共3页
Shanxi Science & Technology of Transportation
关键词
三车道隧道
围岩
级别
施工
判定
方法
three-lane tunnel
surrounding rock
level
construction
determination
method
