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标题 |
富水浅覆不均匀地层大断面隧道快速施工技术研究(52卷) |
英文标题 |
Study on rapid construction technology of large-profile tunnel in water-rich , shallow buried and complex stratum |
摘要 |
针对江门隧道下穿玉龙湖泄洪道段存在的富地表水、超浅埋、上软下硬地层、大断面等特点,施工期间极易引起塌方,风险极大。为此对地表泄洪道进行必要处理,同时采用水平旋喷和管棚注浆加固围岩,结合台阶法开挖,现场施工时加强施工控制与管理,确保了隧道在该地段的施工安全与质量,同时加快了施工进度,可供类似工程参考。 |
作者 |
新闻作者:苏立华 |
关键字 |