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    Energy-Based Analysis of Laterally Loaded Caissons with Large Diameters under Small-Strain Conditions

    Source: International Journal of Geomechanics:;2022:;Volume ( 022 ):;issue: 008::page 05022005
    Author:
    Xiaojuan Li
    ,
    Guoliang Dai
    ,
    Fan Zhang
    ,
    Weiming Gong
    DOI: 10.1061/(ASCE)GM.1943-5622.0002407
    Publisher: ASCE
    Abstract: To better predict the response of laterally loaded caissons and the displacement distribution around the foundations, three different beam theories [Timoshenko beam theory with vertical (z) displacement in soil, Timoshenko beam theory without z displacement, and rigid beam theory with z displacement] were compared in the energy-based variationally method, and two caissons from real projects under the initial loading state were studied. The results from the three methods are compared with measured data from field tests and three-dimensional differential analysis. From the study, the method of the Timoshenko beam theory that considers z displacement in the soil domain produces the most accurate results. The rigid beam theory produced the worst prediction when estimating caisson displacement, rotation, and bending moment. Therefore, for the structure–soil interaction of a laterally loaded caisson, the suggested structure is a Timoshenko beam, and the vertical soil movement around the beam should be considered.
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      Energy-Based Analysis of Laterally Loaded Caissons with Large Diameters under Small-Strain Conditions

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/4286275
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    • International Journal of Geomechanics

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    contributor authorXiaojuan Li
    contributor authorGuoliang Dai
    contributor authorFan Zhang
    contributor authorWeiming Gong
    date accessioned2022-08-18T12:14:53Z
    date available2022-08-18T12:14:53Z
    date issued2022/06/01
    identifier other%28ASCE%29GM.1943-5622.0002407.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4286275
    description abstractTo better predict the response of laterally loaded caissons and the displacement distribution around the foundations, three different beam theories [Timoshenko beam theory with vertical (z) displacement in soil, Timoshenko beam theory without z displacement, and rigid beam theory with z displacement] were compared in the energy-based variationally method, and two caissons from real projects under the initial loading state were studied. The results from the three methods are compared with measured data from field tests and three-dimensional differential analysis. From the study, the method of the Timoshenko beam theory that considers z displacement in the soil domain produces the most accurate results. The rigid beam theory produced the worst prediction when estimating caisson displacement, rotation, and bending moment. Therefore, for the structure–soil interaction of a laterally loaded caisson, the suggested structure is a Timoshenko beam, and the vertical soil movement around the beam should be considered.
    publisherASCE
    titleEnergy-Based Analysis of Laterally Loaded Caissons with Large Diameters under Small-Strain Conditions
    typeJournal Article
    journal volume22
    journal issue8
    journal titleInternational Journal of Geomechanics
    identifier doi10.1061/(ASCE)GM.1943-5622.0002407
    journal fristpage05022005
    journal lastpage05022005-13
    page13
    treeInternational Journal of Geomechanics:;2022:;Volume ( 022 ):;issue: 008
    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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