It is well recognised that footprints are formed during the spudcan insertion process, which can have a negative impact on adjacent pile foundations.This research presents a simplified three-dimensional finite element model to analyse the effect of footprints on the vertical bearing capacity of adjacent piles in clay. The soil parameters around the footprint were obtained via a comparative analysis of the results yielded by the hole-edge stress theory, a triaxial unloading shear test and an unloading state model test. Based on the simplified three-dimensional finite element model, the skin friction resistance changes of piles under different footprint depths, footprint diameters, and dimensionless distances L/D were calculated. The results showed that the reduction rate of the skin friction resistance of the pile decreases with increasing L/D and increases with increasing footprint diameter and footprint depth. .


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    Titel :

    The effect of spudcan footprints on the vertical bearing capacity of adjacent pile foundations


    Beteiligte:
    Liang, Chao (Autor:in) / Liu, Run (Autor:in) / Zhang, Haiyang (Autor:in) / Li, Chengfeng (Autor:in) / Yuan, Yu (Autor:in) / Cao, Tianming (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2021-03-16


    Format / Umfang :

    14 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Unbekannt




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