Use of Geothermal Energy for De-Icing Approach Pavement Slabs and Bridge Decks – Phase II

Yu, Xinbao; Puppala, Anand J.; Fakhrabadi, Alireza; Deshmukh, Aditya; Lei, Gang; Bhaskar, Puneet; University of Texas at Arlington. Department of Civil Engineering; Texas A&M Transportation Institute

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ROSA P serves as an archival repository of USDOT-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by USDOT or funded partners. As a repository, ROSA P retains documents in their original published format to ensure public access to scientific information.

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Use of Geothermal Energy for De-Icing Approach Pavement Slabs and Bridge Decks – Phase II

2025-02-01
By Yu, Xinbao ; Puppala, Anand J. ; Fakhrabadi, Alireza ; ...

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English

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Details:

Creators:

Yu, Xinbao ; Puppala, Anand J. ; Fakhrabadi, Alireza ; Deshmukh, Aditya ; Lei, Gang ; ... More +

Yu, Xinbao ; Puppala, Anand J. ; Fakhrabadi, Alireza ; Deshmukh, Aditya ; Lei, Gang ; Bhaskar, Puneet Less -
Corporate Creators:

University of Texas at Arlington. Department of Civil Engineering ; Texas A&M Transportation Institute

University of Texas at Arlington. Department of Civil Engineering ; Texas A&M Transportation Institute Less -
Corporate Contributors:

Texas. Dept. of Transportation. Research and Technology Implementation Office ; United States. Department of Transportation. Federal Highway Administration

Texas. Dept. of Transportation. Research and Technology Implementation Office ; United States. Department of Transportation. Federal Highway Administration Less -
Subject/TRT Terms:

[+]

Benefit Cost Analysis Bridge Decks Bridge Deicing Bridges Deicing Energy Storage Systems Externally Heated Bridge Deck Feasibility Analysis Finite Element Method Full-scale Geothermal Resources Heat Heated Bridge Technology In-service Bridge Pavement Deicing Pavements Renewable Energy Sources Shallow Geothermal Underground Structures
Publication/ Report Number:

FHWA/TX-25/0-6872-01-1
Resource Type:

Tech Report
Geographical Coverage:

Texas ; United States

Texas ; United States Less -
Edition:

October 2020 – August 2024
Corporate Publisher:

University of Texas at Arlington ; Texas. Department of Transportation

University of Texas at Arlington ; Texas. Department of Transportation Less -
Abstract:

Bridges in many parts of Texas are prone to icing on the bridge deck during winter events, which poses severe travel disruptions and potential accidents to the drivers. Therefore, bridge deicing is critical to ensure roadway safety, mobility, and productivity reasons. This study tested and implemented a geothermal bridge deicing system (GBDS) as a sustainable solution to prevent ice accumulation on bridge decks. The lab and field study included laboratory-scale heated slab tests, the development of a mock-up geothermal bridge, and the implementation of an in-service pilot geothermal bridge. Finite Element Method (FEM) simulations were performed to optimize system design, including heat flux analysis, hydronic heating loops, and ground loop heat exchangers. The pilot geothermal bridge’s performance was assessed under real-world winter conditions by monitoring and collecting field performance data. Additionally, a life cycle cost-benefit analysis was performed to assess the economic viability of geothermal deicing compared to conventional methods, considering installation, maintenance, and operational costs alongside benefits such as corrosion prevention, improved safety, and enhanced traffic flow. Finally, an operational manual was developed regarding the control, maintenance, and monitoring of the pilot geothermal bridge deicing system. The findings have shown that geothermal bridge deicing is an effective and cost-efficient alternative for winter road maintenance, enhancing transportation safety while reducing reliance on chemical deicers.
Format:

PDF
Funding:

0-6872-01
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha-512:d68a265c7c2ccc023ba463aabecc6ab2dedb6b5faab93aac7d3d830bdd406ddb8e2a6f78fb98b8eb45faf99401eb9c8676c8f342e8ea9ceb2f6483844e1ab6af
Download URL:

https://rosap.ntl.bts.gov/view/dot/80386/dot_80386_DS1.pdf
File Type:

[PDF-9.40 MB]