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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    Title :

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


    Contributors:
    Liang, Chao (author) / Liu, Run (author) / Zhang, Haiyang (author) / Li, Chengfeng (author) / Yuan, Yu (author) / Cao, Tianming (author)

    Published in:

    Publication date :

    2021-03-16


    Size :

    14 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    Unknown




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