Behavior of Anchored Sheet Pile Wall

Abstract

Present study discusses the behavior of an anchored sheet pile wall supporting a wide excavation based on the analysis using a computational tool based on the finite element method. The soil is modeled using the Mohr-Coulomb material and the sheet pile wall is modeled using the plate elements. A parametric study using numerical modelling is performed to investigate the behavior of an anchored sheet pile wall. The anchoring system is modeled by a combination of connectors (which do not interact with the soil) and geo-grids (which do interact with the soil and are used to account for grouting). The stability of the structure assessed using Strength Reduction Method and factor of safety for various combinations are calculated in the upper and lower bounds analysis. Results obtained from the parametric study indicate that the embedded depth of sheet pile wall, positioning of anchor, and length of anchors, inclination of the anchor govern the overall stability of structures studies in the present study. Moreover, the present study captures the failure modes of the anchored sheet pile wall system with the inclusion of multiple complex interfaces and supports conditions.