软弱围岩条件下大跨度和浅埋及偏压隧道施工

Construction skills of huge-span,shallow-burying and tunnel-pressing in condition of soft rocks all around

结合隧道施工实例,确定了一系列预防变形和塌方的措施,着重介绍了超前注浆小导管预支护的施工工艺,阐述了施工中采取的主要技术措施和管理手段,对今后类似工程的施工提供参考依据。

Combined with the practice of tunnel construction, it fixes a series of measures on preventing from distortion and collapse, introduces the construction technique of small leading plasm-filling robes, elaborates the main skills and managing measures which is adopted in construetion, It offers reference for the familiar project.