To study the force and deformation characteristics of subsea mudmat-pile hybrid foundations under different combined loads, a project at a water depth of 200 m in the South China Sea was studied. A numerical model of a subsea mudmatpile hybrid foundation is developed using the numerical simulation software FLAC3D. The settlement of the seabed soil, the bending moments of the mudmat, and the displacements and bending moments along the pile shaft under different load combinations, including vertical load and horizontal load, vertical load and bending moment, and horizontal load and bending moment load, are analyzed. The results indicate that settlement of the seabed soil is reduced by the presence of piles. The settlement of the mudmat is reduced by the presence of piles. Different degrees of inclination occur along the pile shaft. The angle of inclination of pile No. 1 is greater than that of pile No. 2. The dip directions of piles No. 1 and No. 2 are identical under the vertical load and bending moment and are opposite to those under the other combined loads. The piles that are located at the junctions between the mudmat and the tops of the piles are easily destroyed.


    Access

    Download


    Export, share and cite



    Title :

    Study of the Force and Deformation Characteristics of Subsea Mudmat-Pile Hybrid Foundations


    Contributors:
    Kong Desen (author) / Deng Meixu (author) / Liu Yi (author) / Tan Xiaoyan (author)


    Publication date :

    2018




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    Unknown




    Study of the Force and Deformation Characteristics of Subsea Mudmat-Pile Hybrid Foundations

    Kong, Desen / Deng, Meixu / Liu, Yi et al. | Online Contents | 2018


    Method for footing Jack up Barge using Mudmat

    LEE JAE MIN / OH JUN / PARK HYUNG SUN et al. | European Patent Office | 2021

    Free access

    SUBSEA FOUNDATIONS

    BOTELHO CHARNAUX SERTÃ BERNARDO / VAZ COELHO JOÃO LUIZ / NASCIMENTO SILVA PAULO ANDERSON | European Patent Office | 2023

    Free access

    SUBSEA FOUNDATIONS

    BOTELHO CHARNAUX SERTÃ BERNARDO / VAZ COELHO JOÃO LUIZ / NASCIMENTO SILVA PAULO ANDERSON | European Patent Office | 2022

    Free access

    SUBSEA FOUNDATIONS

    BOTELHO CHARNAUX SERTÃ BERNARDO / VAZ COELHO JOÃO LUIZ / NASCIMENTO SILVA PAULO ANDERSON | European Patent Office | 2023

    Free access