Evaluation of grit-impregnated, epoxy coated prestressing strand on South Slough (Charleston) Bridge : final report.

Laylor, H. Martin; Oregon. Dept. of Transportation. Research Unit

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Evaluation of grit-impregnated, epoxy coated prestressing strand on South Slough (Charleston) Bridge : final report.

1995-04-01
By Laylor, H. Martin

[PDF-816.43 KB]

English

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Alternative Title:

Evaluation of grit-impregnated, epoxy coated prestressing strand on South Slough (Charleston) Bridge.
Creators:

Laylor, H. Martin
Corporate Creators:

Oregon. Dept. of Transportation. Research Unit
Corporate Contributors:

United States. Federal Highway Administration
Subject/TRT Terms:

[+]

Bonding Bridge Construction Concrete Structures Cracking Curvature Epoxy Coated Epoxy Coatings Grit Impregnated Grits Pressing Prestressed Concrete Bridges
Resource Type:

Tech Report
Geographical Coverage:

Oregon
Corporate Publisher:

Oregon. Dept. of Transportation. Research Unit
Abstract:

The use of grit-impregnated, epoxy coated prestressing strand is a relatively new design strategy being used for corrosion abatement on new concrete structures. This application was chosen for the South Slough (Charleston) structure because it subject to a corrosive environment created by the salt in the marine air. Findings from the evaluation of revealed that: 1) The coated strand was abrasion resistant and that normal handling during fabrication did not damage the coating, 2) The strands that were monitored did not display significant creep, 3) Camber measurements appear normal, showing good bonding, and 4) No cracking of the web or bottom flange was observed. The use of epoxy coated prestressing strand for beams in aggressive cloride-rich environments is recommended as "permitted alternative".
Format:

PDF
Funding:

Experimental Features Project OR 89-06
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:c8791a348f081de30458a8b219ac438bcacc162fc9ab80de9d275aa0d5a3349b
Download URL:

https://rosap.ntl.bts.gov/view/dot/22981/dot_22981_DS1.pdf
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Evaluation of grit-impregnated, epoxy coated prestressing strand on South Slough (Charleston) Bridge : final report.

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