United States Department of Transportation
ROSA P serves as an archival repository of USDOT-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by USDOT or funded partners.
As a repository, ROSA P retains documents in their original published format to ensure public access to scientific information.
[PDF-4.80 MB]
Details:
-
Creators:
-
Corporate Creators:
-
Contributors:
-
Corporate Contributors:
-
Subject/TRT Terms:
-
Publication/ Report Number:
-
Resource Type:
-
Geographical Coverage:
-
Corporate Publisher:
-
Abstract:A study was made of the condition of prestressed concrete PS/C bridge elements located in adverse, potentially corrosive environments. A total of five bridges were subjected to detailed surveys. Additional structures were surveyed visually and given limited investigation. Bridges were located both in northern climates subjected to application of roadway deicing salts and in southern areas subjected to marine spray. Results indicated that, in northern areas, primary cause of deterioration of PS/C members is due to penetration of solutions containing deicing salts through concrete cover and through anchorage zones. Improperly designed and maintained joints and drainage systems are the primary pathways for the salt ingress. In southern areas primary cause of deterioration is marine salts sprayed directly onto substructural elements by wave action. Recommendations concerning procedures, parameters and threshold values for detection of corrosive environments and assessing the condition of prestressing steel in bridge components are included.
-
Format:
-
Funding:
-
Collection(s):
-
Main Document Checksum:
-
Download URL:
-
File Type:
