Title: Comprehensive Technology for Metro Tunnel Across the Bridge Piles
Abstract: Xiju station- Dongguantou station Bystreet Section of Line 14 of Beijing Metro is constructed by using mining method. The tunnel is located in the Cobble Stratum where the self stabilizing of formation is poor. The tunnel is required to cross the Lizeqiao bridge area in Xisanhuan where the number of bridges reaches 14. The minimum distance between the tunnel and Bridge Base is only 0. 84 m,which causes a great risk to construction. In order to ensure the safety of construction,a series of reinforcement and isolation technical measures based on risk analysis are adopted,which effectively controlled settlement and avoided the risk. These successful technical measures provide plenty of experiences to the construction of metro tunnel across bridge areas and can be used in similar projects in the future.
Publication Year: 2014
Publication Date: 2014-01-01
Language: en
Type: article
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