Bearing Capacity of Single Pile-Friction Wheel Composite Foundation on Sand-over-Clay Deposit under V-H-M Combined Loadings

Bearing Capacity of Single Pile-Friction Wheel Composite Foundation on Sand-over-Clay Deposit under V-H-M Combined Loadings

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This paper presents numerical modelling to investigate the bearing capacities and failure mechanisms of single pile-friction wheel composite foundation in sand-overlying-clay soil conditions under combined V-H-M (vertical-horizontal-moment) loadings.A series of detailed numerical models, cirque colors hygge with validations of centrifuge testing results, are generated to explore the potential factors influencing the bearing capacity of this composite system.Intensive parametric study is then performed to quantify the influences of the foundation geometry, soil properties, sand layer thickness, papale primitivo di manduria pre-vertical loading and lateral loading height on the failure envelopes in the V-H-M domain.

Last but not least, an empirical design procedure is proposed based on a parametric study to predict the bearing capacity of this composite foundation under various loading conditions, which can provide guidance for its design and application.