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作者:

Hu, Yu (Hu, Yu.) | Wang, Genzhong (Wang, Genzhong.) | Zhou, Min (Zhou, Min.) | Hu, Wangjing (Hu, Wangjing.) | Ye, Jin (Ye, Jin.) | Gao, Wenxue (Gao, Wenxue.)

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EI Scopus

摘要:

In order to study the evolution law of tunnel convergence deformation during the construction of shallow buried unsymmetrical pressure tunnel, the deformation characteristics and evolution law of shallow buried unsymmetrical pressure tunnel during the three-step construction method are studied based on the background of Qingshui No. 2 tunnel project and numerical simulation. The results show that: with the tunneling, when the tunneling depth is less than 40m, the settlement deformation gradually decreases, and the maximum settlement is at the entrance; When the tunnel footage is greater than 40m, the settlement deformation first increases and then decreases. The maximum settlement of the arch crown is 15m in front of the tunnel face, while the maximum settlement of the arch shoulder is 20m in front of the tunnel face; The maximum value of arch waist convergence appears at 10m in front of the tunnel; The effective combination of numerical simulation and monitoring technology can provide guidance for engineering practice. © Published under licence by IOP Publishing Ltd.

关键词:

Arches Numerical models Tunnels Steel beams and girders Convergence of numerical methods

作者机构:

  • [ 1 ] [Hu, Yu]Faculty of Architecture, Civil and Transportation Engineering, Beijing University of Technology, Beijing; 100124, China
  • [ 2 ] [Wang, Genzhong]Zhejiang Lihua Blasting Engineering Co., Ltd., Suichang; 323300, China
  • [ 3 ] [Zhou, Min]Zhejiang Lihua Blasting Engineering Co., Ltd., Suichang; 323300, China
  • [ 4 ] [Hu, Wangjing]Zhejiang Lihua Blasting Engineering Co., Ltd., Suichang; 323300, China
  • [ 5 ] [Ye, Jin]Zhejiang Lihua Blasting Engineering Co., Ltd., Suichang; 323300, China
  • [ 6 ] [Gao, Wenxue]Faculty of Architecture, Civil and Transportation Engineering, Beijing University of Technology, Beijing; 100124, China

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ISSN: 1742-6588

年份: 2023

期: 1

卷: 2519

语种: 英文

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