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    Comparative Analysis of Longitudinal Seismic Responses of Rigid, Flexible, and Semirigid Immersed Tunnels Using the Analytical Method

    Source: International Journal of Geomechanics:;2024:;Volume ( 024 ):;issue: 012::page 04024284-1
    Author:
    Huanzhu Zhou
    ,
    Shengan Liu
    ,
    Bin Li
    ,
    Weiyun Chen
    ,
    Lei Su
    ,
    Jun-jie Zheng
    ,
    Yewei Zheng
    DOI: 10.1061/IJGNAI.GMENG-10220
    Publisher: American Society of Civil Engineers
    Abstract: To adapt to complex underwater geological conditions, immersed tunnel projects have gone through the development from rigid and flexible to semirigid immersed tunnels. The stiffness of segment joints and the element joint could reflect the differences in structural characteristics of the three types of immersed tunnels. This paper presents a theoretical model using segment joints, the element joint, and 16 segments for the longitudinal seismic response analysis of the three types of immersed tunnels. Based on the matrix transfer principle, the end boundary conditions and the continuity conditions for the forces and deformations at the segment joints and element joint were considered. Analytical solutions were validated by verifying the established laws. Results indicate that the semirigid immersed tunnel, in contrast to the rigid immersed tunnel, can reduce shear forces and bending moments along the longitudinal direction by using segment joints and the element joint. In addition, compared with the flexible immersed tunnel, the semirigid immersed tunnel has higher overall stiffness and better continuity of deformation between the adjacent soil regions through the prestressed tendons inside the tube element. The semirigid immersed tunnel is a viable solution for complex geological conditions where the strata change every few tens of meters.
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      Comparative Analysis of Longitudinal Seismic Responses of Rigid, Flexible, and Semirigid Immersed Tunnels Using the Analytical Method

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/4304217
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    • International Journal of Geomechanics

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    contributor authorHuanzhu Zhou
    contributor authorShengan Liu
    contributor authorBin Li
    contributor authorWeiyun Chen
    contributor authorLei Su
    contributor authorJun-jie Zheng
    contributor authorYewei Zheng
    date accessioned2025-04-20T10:12:30Z
    date available2025-04-20T10:12:30Z
    date copyright9/30/2024 12:00:00 AM
    date issued2024
    identifier otherIJGNAI.GMENG-10220.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4304217
    description abstractTo adapt to complex underwater geological conditions, immersed tunnel projects have gone through the development from rigid and flexible to semirigid immersed tunnels. The stiffness of segment joints and the element joint could reflect the differences in structural characteristics of the three types of immersed tunnels. This paper presents a theoretical model using segment joints, the element joint, and 16 segments for the longitudinal seismic response analysis of the three types of immersed tunnels. Based on the matrix transfer principle, the end boundary conditions and the continuity conditions for the forces and deformations at the segment joints and element joint were considered. Analytical solutions were validated by verifying the established laws. Results indicate that the semirigid immersed tunnel, in contrast to the rigid immersed tunnel, can reduce shear forces and bending moments along the longitudinal direction by using segment joints and the element joint. In addition, compared with the flexible immersed tunnel, the semirigid immersed tunnel has higher overall stiffness and better continuity of deformation between the adjacent soil regions through the prestressed tendons inside the tube element. The semirigid immersed tunnel is a viable solution for complex geological conditions where the strata change every few tens of meters.
    publisherAmerican Society of Civil Engineers
    titleComparative Analysis of Longitudinal Seismic Responses of Rigid, Flexible, and Semirigid Immersed Tunnels Using the Analytical Method
    typeJournal Article
    journal volume24
    journal issue12
    journal titleInternational Journal of Geomechanics
    identifier doi10.1061/IJGNAI.GMENG-10220
    journal fristpage04024284-1
    journal lastpage04024284-12
    page12
    treeInternational Journal of Geomechanics:;2024:;Volume ( 024 ):;issue: 012
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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