CUED Publications database

Numerical analysis of shallow foundations under combined horizontal and torsional loading

Nouri, H and Biscontin, G and Aubeny, CP (2012) Numerical analysis of shallow foundations under combined horizontal and torsional loading. In: GeoCongress 2012: State of the Art and Practice in Geotechnical Engineering, 2012-3-25 to 2012-1-29, Oakland, CA pp. 346-355..

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Abstract

Foundations of subsea infrastructure in deep water subjected to asymmetric environmental loads have underscored the importance of combined torsional and horizontal loading effects on the bearing capacity of rectangular shallow foundations. The purpose of this study is to investigate the undrained sliding and torsional bearing capacity of rectangular and square shallow foundations together with the interaction response under combined loading using three-dimensional finite element (3D-FE) analysis. Upper bound plastic limit analysis is employed to establish a reference value for horizontal and torsional bearing capacity, and an interaction relationship for the combined loading condition. Satisfactory agreement of plastic limit analysis (PLA) and 3D-FE results for ultimate capacity and interaction curves ensures that simple PLA solution could be used to evaluate the bearing capacity problem of foundation under combined sliding and torsion.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Subjects: UNSPECIFIED
Divisions: Div D > Geotechnical and Environmental
Depositing User: Cron Job
Date Deposited: 07 Mar 2014 12:10
Last Modified: 17 Mar 2014 01:16
DOI: