焦杖子隧道浅埋段盖挖法开挖及初支施工技术

Jiaozhangzi Tunnel Excavating Shallow Buried Section Covered Excavation Method and Beginning Construction Technology

结合隧道浅埋段对盖挖法开挖施工和初期支护施工方案进行了介绍,实践证明,该方法节省投资,缩短工期,保护环境。

Combined with the shallow buried tunnel segment for cover at the beginning of the excavation and excavation method construction schemes are introduced, the practice proved this method to save investment, shorten the construction period, protecting the environment.