摘要
结合渝怀线双路口隧道出口段浅埋偏压软弱围岩施工,阐述了施工中采用大管棚结合小导管注浆进行超前支护,出口段管棚和暗洞开挖施工方法及工艺,保证了施工的安全,为类似工程提供参考依据。
Combined with construction work of soft surrounding rock shallow cover and lateral pressure at the exit of Shuanglukou tunnel in Yuhuai railway advanced support construction combined with large-pipe-shed and small pipe-grouting is elaborated as well as construction method and technology of pipe shed at the exit of tunnel and excavation of cave-in, in order to ensure construction safety and provide references for similar works.
出处
《山西建筑》
2007年第36期310-311,共2页
Shanxi Architecture
关键词
大管棚
小导管
隧道
施工技术
设计
large-pipe-shed, small duct, tunnel, construction technology, design