摘要
介绍了关角隧道进口段穿越浅埋河谷段开挖方案与支护参数,施工实践表明,该施工方案合理可行,效果良好,可为后续类似地段施工提供借鉴。
This paper in details presented the geological conditions and construction scheme about the inlet section of Guanjiao tunnel crossing through thin covered river valley. Practice made clear that this technique was reasonable and feasible, and of good results.
出处
《铁道建筑技术》
2011年第12期46-47,56,共3页
Railway Construction Technology
关键词
高原隧道
施工方案
浅埋
河谷段
highland tunnel
construction scheme
thin covered
river valley