Excavation Supported by Cantilevered Sheet Pile Wall

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Example prepared by: Christopher McGann and Pedro Arduino, University of Washington

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This article describes the simulation of an excavation supported by a cantilevered sheet pile wall using OpenSees. The model considers plane strain conditions in two-dimensions, using quadrilateral elements with a pressure dependent constitutive model to simulate cohesionless soil, and beam-column elements to simulate a unit width of sheet pile wall. Beam-solid contact elements are used to model a frictional interface between the linear beam elements and the quadrilateral soil elements.

The input file used for this example is available to view and/or download here.


Model Description

Fig. 1: Undeformed FE mesh for the excavation model.

Boundary Conditions

Material and Element Definitions

Recorders

Initial State Analysis for Gravitational Loads

Excavation Analysis

Results

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