Corrosion characteristics of post-tensioning strands in ungrouted ducts : summary.

Sagues, Alberto A.

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Corrosion characteristics of post-tensioning strands in ungrouted ducts : summary.

2011-01-01
By Sagues, Alberto A.

File Language:

English

Details

Creators:

Sagues, Alberto A.
Corporate Creators:

Florida. Department of Transportation
Subject/TRT Terms:
Publication/ Report Number:

BDK84 977-04
Resource Type:

Tech Report
Geographical Coverage:

Florida
Edition:

Summary.
Corporate Publisher:

Florida Department of Transportation
Abstract:

To prevent corrosion of post-tensioning strands, FDOT construction specifications currently require post-tensioning ducts to be grouted within seven calendar days of strand installation. This period challenges construction schedules on large projects and may be unnecessarily brief in mild service environments. A literature review indicated that the seven-day limit is a common specification among transportation agencies, but some allow periods up to 40 days for mild environmental conditions.
Format:

PDF
Download URL:

https://rosap.ntl.bts.gov/view/dot/21554/dot_21554_DS1.pdf
File Type:

[PDF - 697.52 KB]
Collection(s):

US Transportation Collection
Main Document Checksum:

urn:sha-512:f696eee46f6c396d0bcd390ed977abadfdc3100d39045c57b3518b64cc5922231a2e81acf94ab0817e4fb54ff3c68bcb1e6c3d9f36c4cdaed8eecd0d17d2afa0

File Language:

English

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