Numerical Analysis of Tunnel Excavation Method at Greatly Cross Undermine Huangzhuang Station of Beijing Subway

Jin Shui Xie; Ming Zhou Bai; Zhao Yi Xu; Ming Xing Xu; Zhu Shi; Guo Ping Cheng

doi:10.4028/www.scientific.net/AMR.243-249.5789

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Numerical Analysis of Tunnel Excavation Method at Greatly Cross Undermine Huangzhuang Station of Beijing Subway
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 243-249Numerical Analysis of Tunnel Excavation Method at...

Numerical Analysis of Tunnel Excavation Method at Greatly Cross Undermine Huangzhuang Station of Beijing Subway

Abstract:

Combined with the geological conditions and the project features, the selection problem of pilot tunnel construction method of Huangzhuang station is solved. Directing at the commonly used method including CD method, CRD method and double side wall pilot tunnel method, FLAC3D numerical calculation method is adapted to analysis and predict the ground surface deformation and supporting structure hand features. Through analyzing the size and law of surface settlement in this section, the feasibility and differences of these methods is concluded and analyzed. And finally an example is given.