Repair or Strengthening of Bridge Decks with Partial-Depth Precast Deck Panels

Pantelides, Chris P.; Briggs, Dylan T; Utah. Dept. of Transportation. Research Division

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Repair or Strengthening of Bridge Decks with Partial-Depth Precast Deck Panels

2024-01-01
By Pantelides, Chris P. ; Briggs, Dylan T

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English

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Details:

Creators:

Pantelides, Chris P. ; Briggs, Dylan T

Pantelides, Chris P. ; Briggs, Dylan T Less -
Corporate Creators:

Utah. Dept. of Transportation. Research Division
Corporate Contributors:

Utah Department of Transportation ; United States. Department of Transportation. Federal Highway Administration

Utah Department of Transportation ; United States. Department of Transportation. Federal Highway Administration Less -
Subject/TRT Terms:

[+]

Bridge Decks Concrete Delamination Highway Bridges Overpasses Precast Concrete Repairing
Publication/ Report Number:

UT-24.05
Resource Type:

Tech Report
Geographical Coverage:

United States ; Utah

United States ; Utah Less -
Edition:

Final Report Oct. 2020 – Jan. 2024
Corporate Publisher:

Utah. Dept. of Transportation. Research Division
Abstract:

The primary objectives of this research project involve: (a) forensic analysis of composite deck samples from the I-15 800 South bridge; (b) replication of non-composite specimens for testing; (c) destructive testing of retrofitted non-composite deck samples; and (d) recommended solutions for the repair of bridges affected by debonding of the cast-in-place concrete section from the precast section without impacting traffic. Five retrofit methods were performed: (1) uni-directional carbon fiber reinforced polymer composite strips bonded to the bottom of the precast section; (2) proprietary mechanical shear anchors connecting the cast-in-place and precast section; (3) high modulus epoxy injection between the cast-in-place and precast sections; (4) nonproprietary shear anchors connecting the cast-in-place and precast sections; and (5) epoxy injection with proprietary shear anchors. Based on the research findings, the epoxy injection retrofit method is recommended to be the most effective solution for repairing bridge decks affected by debonding of the cast-in-place section due to interlayer delamination without impacting traffic.
Format:

PDF
Funding:

21-8297
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:461c41289df0a9fd521021f7297e52286e5699ed3fc27f1c7e9dc55436a4f96f
Download URL:

https://rosap.ntl.bts.gov/view/dot/74095/dot_74095_DS1.pdf
File Type:

[PDF-9.80 MB]