Division of Engineering Research On-Call Services Task 7: Durability of Anchorage Pour-backs and Improvements

Tatum, Garrett; Brenkus, Natassia; Ohio State University. Department of Civil and Environmental Engineering and Geodetic Science

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Division of Engineering Research On-Call Services Task 7: Durability of Anchorage Pour-backs and Improvements

2021-02-01
By Tatum, Garrett ; Brenkus, Natassia

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Alternative Title:

Durability of Anchorage Pour-backs and Improvements [Title from Cover]
Creators:

Tatum, Garrett ; Brenkus, Natassia

Tatum, Garrett ; Brenkus, Natassia Less -
Corporate Creators:

Ohio State University. Department of Civil and Environmental Engineering and Geodetic Science
Corporate Contributors:

Ohio. Department of Transportation. Office of Statewide Planning and Research ; United States. Department of Transportation. Federal Highway Administration

Ohio. Department of Transportation. Office of Statewide Planning and Research ; United States. Department of Transportation. Federal Highway Administration Less -
Subject/TRT Terms:

[+]

Anchorages Best Practices Bond Strength (Materials) Bridges Chloride Content Concrete Corrosion Durability Grout Interface Posttensioning Pour Backs Shrinkage Surface Preparation
Publication/ Report Number:

FHWA/OH-2021-02
Resource Type:

Tech Report
Geographical Coverage:

United States
Edition:

Final Report
Corporate Publisher:

Ohio. Department of Transportation. Office of Statewide Planning and Research
Abstract:

Pour-back materials are integral to the corrosion protection of post-tensioning anchorages, where all prestressing force is delivered. Two common grout materials and surface preparation techniques were investigated to assess the quality of the bond between the pour-back and the primary concrete member with regards to susceptibility to chloride intrusion and shrinkage effects. Recommendations for pour-back best practices are given based on these findings.
Format:

PDF
Funding:

PID: 107444 SJN 135785 Task 7
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:8133a6c1d1cf32cdcc45fe73e3fee8b4b937554e47443e1952b01469364845ab
Download URL:

https://rosap.ntl.bts.gov/view/dot/59032/dot_59032_DS1.pdf
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No Additional Files

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Division of Engineering Research On-Call Services Task 7: Durability of Anchorage Pour-backs and Improvements

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