Delamination Surveys and Removal Procedures for Rubberized Asphalt Chip Seal (RACS) Bridge Deck Overlays.

Jenkins, C. H. M.

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Delamination Surveys and Removal Procedures for Rubberized Asphalt Chip Seal (RACS) Bridge Deck Overlays.

1998-07-07
By Jenkins, C. H. M.

File Language:

English

Details

Creators:

Jenkins, C. H. M.
Corporate Creators:

South Dakota Local Transportation Assistance Program. South Dakota School of Mines & Technology Office
Corporate Contributors:

South Dakota. Department of Transportation. Office of Research
Subject/TRT Terms:
Publication/ Report Number:

SD96-19
Resource Type:

Tech Report
Geographical Coverage:

South Dakota ; United States
Edition:

Final; May, 1997 to August 1998
Corporate Publisher:

South Dakota. Department of Transportation
Abstract:

Rubberized Asphalt Chip Seal (RACS) has been used for several decades to protect the bridges in South Dakota. RACS, among other things, prevents South Dakota Department of Transportation from evaluating the integrity of the bridge decks in an efficient and accurate manner. This study investigated methods to remove the RACS layer from the bridges in South Dakota. The procedure followed during the investigation was to first examine numerous options available for RACS removal. These were organized into a "decision matrix" and a formal procedure was followed to extract the most likely candidate methods for further investigation, namely, scraping, high pressure washing, and melting. Scraping with heating was deemed to be the method with the most potential for success, and a full-scale field test was conducted on an I-90 bridge deck. The report concludes with a recommended implementation procedure.
Format:

PDF
Funding:

310543
Download URL:

https://rosap.ntl.bts.gov/view/dot/80190/dot_80190_DS1.pdf
File Type:

[PDF - 692.87 KB]
Collection(s):

US Transportation Collection
Main Document Checksum:

urn:sha-512:1f37c941d6ecd179d0f147284289f21ca5e5638116ab7cd321648a040b48fbc6d6601d25c89e6b7d8ce2e0831e3977b90ac19646eb790637217f6bcbcac874c7

File Language:

English

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