Civil Engineering Association

New Directions for Florida Post-Tensioned Bridges

Author(s): Corven Engineering, Inc.
Published By: Florida Department of Transportation
Published Year: 2002 to 2004
DOI: N.A.
Size: Vol.1 to Vol. 10 - 37 MB
Quality: Original preprint
Abstract:

As a result of recent findings of corrosion of prestressing steel in post-tensioned bridges, the
Florida Department of Transportation will be changing policies and procedures to ensure the
long-term durability of post-tensioning tendons. The recommendations of the Consultant for
revising FDOT policies and procedures is presented in this study entitled, New Directions for
Florida Post-Tensioned Bridges. The study will be presented in several volumes, with each
volume focusing on a different aspect of post-tensioning or bridge type.

Volume 1:
Post-Tensioning in Florida Bridges presents a history of post-tensioning in Florida
along with the different types of post-tensioned bridges typically built in Florida. This volume
also reviews the critical nature of different types of post-tensioning tendons and details a new
five-part strategy for improving the durability of post-tensioned bridges.

Volumes 2 through 8:
Design and Construction Inspection of various types of post-tensioned
bridges - applies the five-part strategy of Volume 1 to bridges in Florida. Items such as
materials for enhanced post-tensioning systems, plan sheet requirements, grouting, and
detailing practices for watertight bridges and multi-layered anchor protection are presented in
detail. The various types of inspection necessary to accomplish the purposes of the five-part
strategy are presented from the perspective of CEI along with detailed checklists of critical items
or activities.

Volume 9:
Condition Inspection and Maintenance of Florida Post-Tensioned Bridges addresses
the specifics of ensuring the long-term durability of tendons in existing and newly constructed
bridges. The types of inspections and testing procedures available for condition assessments
are reviewed, and a protocol of remedies are presented for various symptoms found.

Volume 10:
Load Rating Segmental Post-Tensioned Bridges in Florida provides guidance for
meeting AASHTO LRFD load rating requirements as they pertain to precast and cast-in-place
segmental bridges.

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New Directions Post Tensioning

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