Tripod bucket foundations are being used as alternative foundations to resist large horizontal and moment loadings from offshore wind turbines. The bearing capacity of the tripod bucket foundation differs particularly from that of the single bucket foundation due to the interaction among individual buckets of the tripod. This paper investigated the group effect of tripod bucket foundations in clay by three-dimensional finite element analysis. Parametric studies were performed varying the spacing between each bucket foundation, embedded depth of the bucket foundation, and loading directions. Normally consolidated clay under an undrained condition was modeled using a linear elastic-perfectly plastic model obeying the Tresca failure criterion. The undrained shear strength and Young's modulus of clay were assumed to linearly increase with depth. The group efficiency factor, which is the ratio of the bearing capacity of the tripod bucket foundation to that of the single bucket foundation, was evaluated based on finite element analysis for vertical, horizontal and moment loadings. Results showed that the efficiency factors were functions of the bucket spacing and embedment depth of the foundations.


    Access

    Access via TIB

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Group effect on bearing capacities of tripod bucket foundations in undrained clay


    Contributors:

    Published in:

    Publication date :

    2014


    Size :

    9 Seiten, 34 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




    An optimised failure envelope approach of bucket foundation in undrained clay

    Wang, Jiayu / Liu, Run / Yang, Xu et al. | Taylor & Francis Verlag | 2021


    A comparison of the bearing capacity between shallow bucket foundations and solid foundations in clay

    Ma, Pengcheng / Liu, Run / Chen, Guangsi et al. | Taylor & Francis Verlag | 2020


    The influence of the soil plug on the bearing capacity of bucket foundations in clay

    Liu, Run / Sun, Guodong / Wang, Xiaolei et al. | Taylor & Francis Verlag | 2023


    Seismic Responses of OWT Tripod Suction Bucket in Clays

    Cheng, Xinglei / Lu, Dechun / Wang, Piguang | Springer Verlag | 2024

    Free access

    Shape Effects on the Undrained Uplift Capacity of Skirted Suction Foundations in Clay

    Fan, Qing-Lai / Luan, Mao-Tian / Chen, Rong | Tema Archive | 2013