Cave-In Disposal Measures at the Highly Fractured Zones in Tunnel 2 at Feishuiyan, Sichuan
详细信息
- 责任者：Zhou Gaosheng (Foundation Engineering Co. Ltd. ; Gezhouba Group ; Yichang 443002 ; China)
- 刊名：Journal of Geological Hazards and Environment Preservation
- 出版年：2013
- 卷期：24(1)
- 关键词：隧道 ; tunnels ; 崩塌 ; avalanches ; 四川 ; Sichuan Province
- 页码：p.100-105
- 图表：illus., 2 tables, 3 refs.
- 分类号：1702
- issnNo：ISSN1006-4362
- isbnNo：CN51-1467/P
摘要
The disposal methods are introduced for the small-scale cave-ins in the tunnel.Concrete was built above the collapsed slag to form a protective shell.Then the slag was removed by excavating on several positions before the timely concrete lining.The test shows the crown subsidence is in the control as required by the norms.
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