Effectiveness of Epoxy Chip Seals for SD Bridge Decks
Since the early 1990’s, the South Dakota Department of Transportation (SDDOT) has been using epoxy chip seals on bridge decks to reduce the water and chloride infiltration that leads to rapid deck deterioration. To check the effectiveness of the epoxy chip seals, SDDOT conducted tests on core samples from two bridge decks, a bridge deck with an epoxy chip sealing overlay and a deck without an overlay. It was found that the core samples with the overlay had more chloride contamination than those without the overlay. This obviously casts doubt on effectiveness of the current epoxy chip seals in preventing water or chloride infiltration. Research on the effectiveness and performance of different types of epoxy chip seals for bridge decks is required to reduce maintenance costs, and improve structure life. The objectives of this research are to: (1) Determine the effectiveness of various deck sealers for chloride infiltration available on the market today and (2) Determine if single or double coats of epoxy deck sealers are more effective at reducing chloride infiltration.
Language
- English
Project
- Status: Active
- Funding: $232320
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Contract Numbers:
SD2018-05
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Sponsor Organizations:
North Dakota State University
Fargo, ND United States 58108South Dakota Department of Transportation
700 East Broadway Avenue
Pierre, SD United States 57501 -
Managing Organizations:
South Dakota Department of Transportation
700 East Broadway Avenue
Pierre, SD United States 57501 -
Project Managers:
Howard, Micah
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Performing Organizations:
Dept. of Civil and Environmental Engineering
South Dakota State University
Brookings, SD United States -
Principal Investigators:
Seo, Junwon
- Start Date: 20190506
- Expected Completion Date: 20220430
- Actual Completion Date: 0
Subject/Index Terms
- TRT Terms: Bridge decks; Chip seals; Chloride content; Epoxy coatings; Overlays (Pavements); Seal coats
- Geographic Terms: South Dakota
- Subject Areas: Bridges and other structures; Highways; Materials; Pavements;
Filing Info
- Accession Number: 01768745
- Record Type: Research project
- Source Agency: South Dakota Department of Transportation
- Contract Numbers: SD2018-05
- Files: RIP, STATEDOT
- Created Date: Mar 29 2021 2:40PM