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Simulation experiment of pumped sand on immersed tunnel

Zheng Aiyuan,Tan Zhongsheng,Li Zhiguo

Strategic Study of CAE 2009, Volume 11, Issue 7, Pages 81-85

Abstract: justify;">Based on the similarity theory and simulation experiment, main construction parameters of immersedtunnel are researched.On the basis of analyzing test results, the main original parameters on construction of the immersedtunnel are verified and analyzed.tunnel.

Keywords： immersed tunnel foundation pumped sand simulation experiment

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Comparative study on foundation treatment methods of immersed tunnels in China

Shaochun WANG, Xuehui ZHANG, Yun BAI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 1, Pages 82-93 doi: 10.1007/s11709-019-0575-x

Abstract: Based on engineering practices of four typical traffic immersed tunnels built in China, this paper detailsthe features of the four dominant foundation treatment methods for immersed tunnel construction: pileThe findings of this article could henceforth be applied to foundation treatment work in immersed tubetunnel construction.

Keywords： foundation treatment method immersed tunnel subsoil stress settlement

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Key technology of design and construction on immersed tube tunnel

Du Chaowei,Wang Xiuying

Strategic Study of CAE 2009, Volume 11, Issue 7, Pages 76-80

Abstract:

Combined with the built immersed tube tunnel, comparison and selection

Keywords： immersed tube tunnel scheme comparison waterproof design construction technology

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Typical Underwater Tunnels in the Mainland of China and Related Tunneling Technologies

Kairong Hong

Engineering 2017, Volume 3, Issue 6, Pages 871-879 doi: 10.1016/j.eng.2017.12.007

Abstract: underwater tunnels in the mainland of China in terms of shield-bored tunnels, drill-and-blast tunnels, and immersedwith high seismic intensity, and the treatment of serious sedimentation in a foundation channel of immersedmade regarding the three potential great strait-crossing tunnels—the Qiongzhou Strait-Crossing Tunnel, Bohai Strait-Crossing Tunnel, and Taiwan Strait-Crossing Tunnel—and issues related to these great

Keywords： Underwater tunnel Strait-crossing tunnel Shield-bored tunnel Immersed tunnel Drill and blast

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Particle-scale simulation of fluidized bed with immersed tubes

ZHAO Yongzhi, JIANG Maoqiang, CHENG Yi

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 3, Pages 341-345 doi: 10.1007/s11705-008-0046-8

Abstract: The resulting method was employed to simulate hydrodynamics in a fluidized bed with immersed tubes.The bubble coalescence and break-up behavior when passing the immersed tubes was successfully predictedThe gas-solid flow pattern in the fluidized bed is changed greatly because of the immersed tubes.As particles and gas are come in contact with the immersed tubes, the gas bubbles will be deformed.

Keywords： unfavorable computational gas-solid particle discrete

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Performance analysis of an air-source heat pump using an immersed water condenser

Jie JI, Huide FU, Hanfeng HE, Gang PEI,

Frontiers in Energy 2010, Volume 4, Issue 2, Pages 234-245 doi: 10.1007/s11708-009-0056-3

Abstract: A distributed model of an air-source heat pump (ASHP) system and its experimental setup using an immersed

Keywords： air-source heat pump distributed model immersed water condenser

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Research on Demarcating Method for Deep Tunnel and Shallow Tunnel in Soil

Zhao Zhanchang,Xie Yongli

Strategic Study of CAE 2005, Volume 7, Issue 10, Pages 84-86

Abstract:

Directed against the demarcating problems of deep tunnel and shallow tunnel in exiting methods, thefeasible by two engineering cases, and is of importantce to lining design and construction of soil tunnel

Keywords： soil tunnel deep tunnel and shallow tunnel demarcating method

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Effect of cutterhead configuration on tunnel face stability during shield machine maintenance outages

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 4, Pages 522-532 doi: 10.1007/s11709-023-0930-9

Abstract: Engineering safety during maintenance outages is determined by the stability of the tunnel face.The tunnel face is supported by a medium at the bottom of the excavation chamber and compressed air atDisregarding the supporting effect of the cutterhead will result in a tunnel face with underestimated

Keywords： tunnel face stability cutterhead configuration aperture ratio pressure gradient support ratio

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Bending failure performance of a shield tunnel segment based on full-scale test and numerical analysis

Frontiers of Structural and Civil Engineering Pages 1033-1046 doi: 10.1007/s11709-023-0973-y

Abstract: This study focuses on the bending failure performance of a shield tunnel segment.

Keywords： shield tunnel bearing capacity failure mechanism segment reinforcement

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Discontinuous mechanical behaviors of existing shield tunnel with stiffness reduction at longitudinal

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 1, Pages 37-52 doi: 10.1007/s11709-022-0920-3

Abstract: analytical model is proposed to estimate the discontinuous mechanical behavior of an existing shield tunnelabove a new tunnel.The existing shield tunnel is regarded as a Timoshenko beam with longitudinal joints.Timoshenko beam GA, and different additional pressure profiles on the responses of the shield tunnel

Keywords： tunnel–soil interaction discontinuous analysis longitudinal joints existing shield tunnel Timoshenko

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A real-life stability model for a large shield-driven tunnel in heterogeneous soft soils

Xinyu HU, Zixin ZHANG, Scott KIEFFER

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 2, Pages 176-187 doi: 10.1007/s11709-012-0149-7

Abstract: The current models that have been published to date only allow for homogeneous soil at the tunnel faceThis paper presents a real-life face stability model to determine the minimal pressure needed at the tunnelface for a large shield-driven tunnel in heterogeneous soft soils.are conducted, and the effects of the involved parameters for a large, multilayered, shield-driven tunnel

Keywords： analytical solution shield-driven tunnel multilayered soil face stability

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Construction risks of Huaying mount tunnel and countermeasures

Haibo YAO, Feng GAO, Shigang YU, Wei DANG

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 3, Pages 279-285 doi: 10.1007/s11709-017-0414-x

Abstract: inrush because of existence of faults, high pressure gas, karst tectonics and coal goafs around the tunnel

Keywords： tunnel?construction gas?outburst geology?prediction automatic?monitoring?system

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Technical innovation for Sanyang Road Cross-river Tunnel Project

Yu ZHONG

Frontiers of Engineering Management 2018, Volume 5, Issue 3, Pages 411-415 doi: 10.15302/J-FEM-2018206

Abstract:

Keywords： valign= top class= J_zhaiyao

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Fast detection algorithm for cracks on tunnel linings based on deep semantic segmentation

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 5, Pages 732-744 doi: 10.1007/s11709-023-0965-y

Abstract: semantic segmentation called LC-DeepLab is proposed for detecting the trends and geometries of cracks on tunnelThe proposed method addresses the low accuracy of tunnel crack segmentation and the slow detection speedThe experimental results show that LC-DeepLab can accurately segment and highlight cracks from tunnel

Keywords： tunnel engineering crack segmentation fast detection DeepLabv3+ feature fusion attention mechanism

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On subsurface box-shaped lined tunnel under incident SH-wave propagation

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4, Pages 948-960 doi: 10.1007/s11709-021-0740-x

Abstract: element method is applied to obtain the seismic ground response, including a subsurface box-shaped lined tunnelOnly the boundary around the tunnel is required to be discretized.

Keywords： box-lined tunnel half-plane BEM surface response SH-wave time-domain