The effect of crack motion during epoxy crack injection and curing.

Soltesz, Steven M.

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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.

i

The effect of crack motion during epoxy crack injection and curing.

2005-06-01
By Soltesz, Steven M.

[PDF-298.14 KB]

English

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Creators:

Soltesz, Steven M.
Corporate Contributors:

Oregon. Dept. of Transportation. Research Section ; United States. Federal Highway Administration

Oregon. Dept. of Transportation. Research Section ; United States. Federal Highway Administration Less -
Subject/TRT Terms:

[+]

Bridge Decks Bridge Management Systems Cracking Of Concrete Pavements Epoxy Resins Injection Seal Coating Methods Structural Integrity
Publication/ Report Number:

FHWA-OR-RD-05-11
Resource Type:

Tech Report
Geographical Coverage:

Oregon
Corporate Publisher:

Oregon. Dept. of Transportation. Research Section
Abstract:

One strategy to regain structural integrity of cracked reinforced concrete bridge deck girders is to inject the cracks with epoxy. Many bridge owners allow all traffic to use the bridge during injection and curing, while other bridge owners restrict traffic to produce a hold time in which cracks do not open and close. This research study used a laboratory setup to determine the effect of temperature and hold time on epoxy undergoing curing. The comparative measure was the tensile strength of the epoxy after curing. The results showed that traffic should be restricted to stop the crack motion during injection and until the epoxy sets. After the epoxy has set, crack motion while the epoxy undergoes full cure degrades the tensile strength of the epoxy, but not to levels that would affect the structural integrity of the beam.
Format:

PDF
Funding:

SPR 611
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:52c9744f63e073673a4cdc04a89cbdde9ab382798bd59bad7d8c5342b356452b
Download URL:

https://rosap.ntl.bts.gov/view/dot/22793/dot_22793_DS1.pdf
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No Additional Files

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The effect of crack motion during epoxy crack injection and curing.

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