Tangent Pile Wall
Tangent pile walls are not as commonly used as contiguous pile walls. The axial distance between the piles is exactly equal to their diameter, so there is no free space between them.
Tangent pile walls have a higher bearing capacity than contiguous walls and the positioning of anchors is easier because it is not necessary to use wales. A disadvantage of this structure is the larger consumption of concrete. The water flows between the piles freely, so it does not require further drainage.
Complete design and analysis of pile walls can be performed by programs GEO5 Sheeting Design or GEO5 Sheeting Check.
Programs provide different types of soil anchors. Pre-stressed bar anchors (VSL, Dywidag), strand anchors (VSL, Dywidag), helical anchors (Helical Anchors Ltd, Chance, MacLean), anchor bars (VSL, Minova), deadman anchors. Parameters of anchors are included in database, which is a part of programs.
Further sources:
Engineering Manual – Verification of a multi-anchored wall
Online Help – Sheet Pile Wall
Video Tutorial – Designing a Sheet Pile Wall in Sheeting Design
Video Tutorial – Designing an Anchored Retaining Wall in Sheeting Check
Types of excavation shoring structures solved by GEO5:
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