暗挖隧道穿越高速公路浅埋软弱围岩支护方法研究  

Study on Supporting Method of Shallow-buried Weak Surrounding Rock of Underground Tunnel Crossing Expressway

作　　者：姜元龙 JIANG Yuan-long(The 3rd Engineering Co.,Ltd.of China Railway 12th Bureau Group,Taiyuan 030000,China)

机构地区：[1]中铁十二局集团第三工程有限公司,太原030000

出　　处：《价值工程》2021年第8期180-182,共3页Value Engineering

摘　　要：结合成昆铁路米易至攀枝花段,以旺牛村隧道DK608+005至DK608+080下穿京昆高速公路浅埋软弱围岩段超前支护为施工实例,详细阐述了采用“单工作间长管棚”方法作为浅埋软弱围岩段超前支护一次性完成穿越高速公路的监控量测及施工关键技术。Combined with the Miyi-Panzhihua Section of Chengdu-Kunming Railway,taking the advanced support of Wangniucun Tunnel DK608+005 to DK608+080 underpassing the shallow-buried weak surrounding rock section of Beijing-Kunming Expressway as the construction example,this paper expounds in detail the key technology of monitoring measurement and construction of crossing expressway by using"single working room long pipe shed"method as advanced support of shallow soft surrounding rock section.

关 键 词：浅埋 软弱围岩 超前支护 单工作间 长管棚 

分 类 号：U455[建筑科学—桥梁与隧道工程]