Feasibility Study for Rapid Evaluation of Bridge Decks

Ziehl, Paul H.; Huynh, Nathan N.; Anay, Rafal; Abduljabbar, Rawya; Padmanabhan, Bhavya; Soltangharaei, Vafa; University of South Carolina. Dept. of Civil & Environmental Engineering

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Feasibility Study for Rapid Evaluation of Bridge Decks

2018-12-01
By Ziehl, Paul H. ; Huynh, Nathan N. ; Anay, Rafal ; ...

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English

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Creators:

Ziehl, Paul H. ; Huynh, Nathan N. ; Anay, Rafal ; Abduljabbar, Rawya ; Padmanabhan, Bhavya ; ... More +

Ziehl, Paul H. ; Huynh, Nathan N. ; Anay, Rafal ; Abduljabbar, Rawya ; Padmanabhan, Bhavya ; Soltangharaei, Vafa Less -
Corporate Creators:

University of South Carolina. Dept. of Civil & Environmental Engineering
Corporate Contributors:

South Carolina. Dept. of Transportation. Office of Materials and Research ; United States. Federal Highway Administration. South Carolina Division

South Carolina. Dept. of Transportation. Office of Materials and Research ; United States. Federal Highway Administration. South Carolina Division Less -
Subject/TRT Terms:

[+]

Bridge Decks Concrete Bridges Feasibility Analysis Inspection Nondestructive Tests Risk
Publication/ Report Number:

FHWA-SC-18-09
Resource Type:

Tech Report
Geographical Coverage:

United States
Edition:

Final Report
Corporate Publisher:

United States. Department of Transportation. Federal Highway Administration
Abstract:

The South Carolina Department of Transportation utilizes different methods for concrete bridge deck evaluation including visual inspection and chain dragging. The current methods for concrete bridge deck evaluation are effective, but they require traffic control and many operators. To address these limitations, this project investigates rapid evaluation methods including vehicle mounted scanning (utilizing ground penetrating radar, infrared sensing, and high definition video scanning), pole mounted scanning (utilizing ultra-time domain infrared sensing), and deck acoustic response to identify which method, or combination of methods, is well suited for the evaluation of concrete bridge decks in South Carolina. Four in-service bridge decks with differing damage levels were selected to serve as testbeds. Chloride sampling, chain dragging, and coring were performed to verify results. In addition, bridge deck specimens (removed from a bridge in South Carolina) were investigated in a laboratory and sensors were embedded in a newly constructed concrete bridge deck. Among the methods, deck acoustic response was found to be the most suitable for detection of delamination, with infrared and ultra-time domain imaging also providing good results. Ground penetrating radar was less effective for detection of delamination but showed promise for detection of chlorides and moisture intrusion. Benefit-cost analysis was performed to better understand the potential for implementation. Recommendations for implementation are provided for both local evaluation and asset management of concrete bridge decks in South Carolina.
Format:

PDF
Funding:

SPR No. 724
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:c8e5092e3533cc4301da483a5d3f70e5c3bf87a12db6e37ba2b08f3fcfc1db6f
Download URL:

https://rosap.ntl.bts.gov/view/dot/42701/dot_42701_DS1.pdf
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Feasibility Study for Rapid Evaluation of Bridge Decks

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