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2011年10 期
| 标题 |
| 大断面隧道下穿泥石流沟施工技术(51 卷) |
| 英文标题 |
| Construction technology of large-profile tunnel passing through under mud-rock-flow valley |
| 摘要 |
| 兰渝铁路仓园隧道下穿泥石流沟松散堆积物地层，隧道在进入泥石流冲沟浅埋段后，出现掌子面多处渗水，围岩沉降最大达到1 389 mm，给施工人员造成极大的安全隐患。通过现场分析以及根据洞内施工情况分析，确定了对泥石流冲沟沟心段采取地表帷幕注浆、隧道掌子面注浆以及对仰拱 |
| 作者 |
| 新闻作者:黄庆文，柳 超，成 广 |
| 关键字 |
