Simplified failure load evnelopes for shallow foundation on dense sand

Butterfield, Roy and Gottardi, Guido (1996) Simplified failure load evnelopes for shallow foundation on dense sand. International Journal of Offshore and Polar Engineering, 6, (1), 62-67.


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Prediction of the ultimate load capacity of shallow, sand supported foundations carrying vertical (Y), horizontal (H) and moment (M) loads is a fundamental offshore engineering problem. The paper demonstrates how the complete failure envelope of such a foundation, represented by a system of parabolas and rotated ellipses, can be transformed into either a 45° inclined straight line or a unit circle by referring the applied loads to an origin located below the foundation centreline. The conjugate transformation applied to the corresponding displacements generates a symmetry amongst them, for symmetrical load paths, not otherwise apparent. Extensive, model-scale, experimental data are presented that provide strong support for the simple, transformed failure-envelopes.

Item Type: Article
ISSNs: 1053-5381 (print)
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions : University Structure - Pre August 2011 > School of Civil Engineering and the Environment
ePrint ID: 74714
Accepted Date and Publication Date:
March 1996Published
Date Deposited: 11 Mar 2010
Last Modified: 31 Mar 2016 13:07

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