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FOURTH NATIONAL WORKSHOP ON BRIDGE RESEARCH IN PROGRESS:
 
RESEARCH ABSTRACT
 
Title:
Durability of Bridges with Full Span Prestressed Concrete Panels
Author(s) and Affiliation(s):
Robert J. Peterman and Julio A. Ramierez Department Civil Engineering, Purdue University, West Lafayette, IN Randall W. Poston Whitlock Dalrymple Poston and Associates, Manassas, VA
Principal Investigator:
Julio A. Ramirez
Sponsor(s):
Indiana Department of Transportation and the Federal Highway Administration
Research Start Date:
September 1, 1993
Expected Completion Date:
August 31, 1996
Research Objectives:
Full-span prestressed concrete form panels can be used in short-span bridges of 40 ft or less to reduce on-site formwork and labor required by conventional cast-in-place (CIP) concrete systems. These panels, which serve as permanent formwork for a CIP topping, also provide the main positive moment reinforcement for the composite system. However, bridges constructed using this procedure in Florida and Louisiana often experienced regular longitudinal and transverse cracking soon after construction. The research findings on long-term durability of this type of structure with respect to the penetration of chlorides are reported.
Expected Products or Deliverables:
This research will determine the potential durability of this type of structure. Specifically, the wide-scale use of these bridges in Indiana depends on the favorable performance of the specimens in this study. Also, recommendations for the modification of specific connection and reinforcement details for of this type of structure will be made at the conclusion of the study. Modifications to details will be based on both durability and constructibility factors.

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