摘要:地铁隧道软围岩施工施工不当,常常会引发坍塌事故,因此,对于软围岩的施工必须采取针对性的措施进行施工防控。本文以某地铁隧道软围岩施工为例,介绍了其施工中采取的超前支护、开挖、衬砌等施工技术,供同类地铁隧道工程施工参考。 关键词:地铁隧道;软弱围岩;超前支护;开挖 Abstract: subway construction undeserved, soft surrounding rock
Sediments and surface water were sampled in a tide flat in the Huiquan Bay, Qingdao, China in January 2004 to simulate the exchange of NH4-N/NO3-N/ PO 43- betwe