NZGS Symposium

Modelling of single pile-soil interaction using Ruaumoko

A model was developed to represent single piles embedded in cohesive soil deposits using the Ruaumoko analysis program, utilizing the available capabilities and modifications of existing elements. The non-linearity of both the soil and the pile was able to be represented within the
model in order to accurately characterise the behaviour of the soil-pile system.

Using a range of pile solutions, the accuracy of the model was verified for monotonic, cyclic and dynamic loading. Monotonic loading characteristics were identical to closed form Winkler bed of springs solutions for displacement, rotation, bending moment, and shear down the pile
shaft. Similar monotonic loading comparisons incorporating gapping adjacent to the pile indicated matching characteristics to a previously developed pile gapping program. Data from cyclic loading at the tip of a column/pile shaft was well represented by the Ruaumoko model using force-displacement, gap opening, and bending moment characteristics. Finally, the displacement and velocity at the head of a dynamically loading pile were identical for the Ruaumoko model and closed form solutions.

Tags : #Cyclic response#Dynamic response#Modelling#Piles

Downloads
NZGS_Symposium_18_22-3.pdf
Published
09/01/2008
Collection
NZGS Symposium
Authors(s)
Athol Carr, Liam Wotherspoon, Mick Pender
Compilation
NZGS Symposium>18th NZGS Symposium
Link
N/A
Issue
1
Volume
34
Version
N/A
Location
N/A
Type
Paper
Tags
N/A
ISBN
ISSN
0111-9532

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