Performance evaluation of one coat systems for new steel bridges.

Yao, Yuan; Kodumuri, Pradeep; Lee, Seung-Kyoung; SES Group and Associates; Rutgers University. Center for Advanced Infrastructure and Transportation

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Performance evaluation of one coat systems for new steel bridges.

2011-06-01
By Yao, Yuan ; Kodumuri, Pradeep ; Lee, Seung-Kyoung

[PDF-3.09 MB]

English

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Details:

Creators:

Yao, Yuan ; Kodumuri, Pradeep ; Lee, Seung-Kyoung

Yao, Yuan ; Kodumuri, Pradeep ; Lee, Seung-Kyoung Less -
Corporate Creators:

SES Group and Associates ; Rutgers University. Center for Advanced Infrastructure and Transportation

SES Group and Associates ; Rutgers University. Center for Advanced Infrastructure and Transportation Less -
Corporate Contributors:

United States. Federal Highway Administration. Office of Infrastructure Research and Development
Subject/TRT Terms:

[+]

Accelerated Testing Accelerated Tests Coating Performance Evaluation Coatings Corrosion Protection One-coat Outdoor Exposure Protective Coatings Steel Bridge Coatings Steel Bridges Three-coat Two-coat
Publication/ Report Number:

FHWA-HRT-11-046
Resource Type:

Tech Report
Geographical Coverage:

United States
Edition:

Final report.
Corporate Publisher:

Turner-Fairbank Highway Research Center
NTL Classification:

NTL-HIGHWAY/ROAD TRANSPORTATION-Bridges and Structures
Abstract:

In an effort to address cost issues associated with shop application of conventional three-coat systems, the Federal

Highway Administration completed a study to investigate the performance of eight one-coat systems and two control

coatings for corrosion protection of highway bridges. Based on prior performance, a three-coat system and a two-coat

system were selected as the control coating systems. The performance of all coating systems was evaluated under

accelerated laboratory and outdoor exposure conditions. Accelerated testing was performed in the laboratory for

6,840 h. Natural weathering exposure was performed in the outdoor environment for 18 months and at a marine

exposure site for 24 months. A calcium sulfonate alkyd coating system was found to perform equally in comparison

with the three-coat system; however, curing was a major concern. Regression analysis was used to identify correlations

between color, gloss, adhesion strength, and coating defects for one-coat systems
Format:

PDF
Collection(s):

Federal Highway Administration US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:c1fa4411b88d772b7f5d3148cf2962c762ce9755244169bb322f080a233175c5
Download URL:

https://rosap.ntl.bts.gov/view/dot/24981/dot_24981_DS1.pdf
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Performance evaluation of one coat systems for new steel bridges.

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