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标题 |
大管棚超前支护环形开挖预留核心土三台阶隧道施工方法(49 卷) |
英文标题 |
Tunnel construction method of arc-shaped excavation and remained earth core and three benches with large-cross-section pipe shed forepoling |
摘要 |
以天马山隧道V级(偏弱)围岩施工为例,通过方案比选,提出了大管棚超前支护V级(偏弱)围岩,环形开挖预留核心土三台阶工法施工技术。经过论证,此方案安全可行,节省投资,进度加快,可为今后类似隧道的施工提供有益借鉴。 |
作者 |
新闻作者:唐朝松 |
关键字 |