Sleeved Pile Foundations For The W. Seattle - Harbor Islands Swing Bridge And The Seattle Access Projects

Werle, Kent C.
Organization: Deep Foundations Institute
Pages: 5
Publication Date: Jan 1, 1990
This brief discusses the installation and application of sleeved piles of two different types for two different projects, the W, Seattle to Harbor Island Swing Bridge Project and the Seattle Access Project. A description of these relatively novel piling systems is given, as well as some notes on their installation and application. As implied by the term "sleeved" these are piles which consist of two piles, an inner pile combined with an outer concentric sleeve pile. Background, Swing Bridge The Swing Bridge project is virtually unique in the world in that it is a "lift and turn" swing bridge. It is also a concrete, cast -in-place segmental bridge which is designed to be moveable.
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