Extending the Service-Life of Bridges Using Sustainable and Resilient Abutment Systems: An Experimental Approach to the Electrochemical Characterization of Lightweight Mechanically Stabilized Earth [Research Brief]

Tehrani, Fariborz M; Fishman, Kenneth L; Dehkordi, Farmehr M; Mineta Transportation Institute; San Jose State University. College of Business

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Extending the Service-Life of Bridges Using Sustainable and Resilient Abutment Systems: An Experimental Approach to the Electrochemical Characterization of Lightweight Mechanically Stabilized Earth [Research Brief]

2023-07-01
By Tehrani, Fariborz M ; Fishman, Kenneth L ; Dehkordi, Farmehr M

[PDF-608.42 KB]

English

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Creators:

Tehrani, Fariborz M ; Fishman, Kenneth L ; Dehkordi, Farmehr M

Tehrani, Fariborz M ; Fishman, Kenneth L ; Dehkordi, Farmehr M Less -
Corporate Creators:

Mineta Transportation Institute ; San Jose State University. College of Business

Mineta Transportation Institute ; San Jose State University. College of Business Less -
Corporate Contributors:

United States. Department of Transportation. University Transportation Centers (UTC) Program ; United States. Department of Transportation. Office of the Assistant Secretary for Research and Technology ; State of California SB1 2017/2018, Trustees of the California State University Sponsored Programs Administration

United States. Department of Transportation. University Transportation Centers (UTC) Program ; United States. Department of Transportation. Office of the Assistant Secretary for Research and Technology ; State of California SB1 2017/2018, Trustees of the California State University Sponsored Programs Administration Less -
Subject/TRT Terms:

[+]

Backfill Soils Bridge Abutments Chlorides Corrosion Electrical Resistivity Lightweight Aggregates Mechanically Stabilized Earth PH Value Sulfates
Publication/ Report Number:

2225
Resource Type:

Brief
Geographical Coverage:

California ; United States

California ; United States Less -
Edition:

Research Brief
Corporate Publisher:

Mineta Transportation Institute
Abstract:

This research addresses the need to extend the service life, reduce the life cycle cost, and improve the safety and reliability of bridge abutments, part of the nation’s critical transportation infrastructure. Mechanically stabilized earth (MSE) abutments contribute to the constructability and economy of bridge infrastructure. The electrochemical properties of backfill materials influence the corrosion of embedded steel strips in MSE systems. The application of rotary kiln manufactured lightweight aggregates contributes to the sustainability of bridge abutments by addressing corrosion concerns, reducing structural loads and settlements, providing free drainage, and accelerating construction. This project investigates the properties and characteristics of expanded shale, clay, and slate aggregates compared with normal-weight aggregates concerning the corrosivity of steel reinforcement.
Format:

PDF
Collection(s):

University Transportation Centers
Main Document Checksum:

[+]

urn:sha256:fd785917188144ae5925874877dd27ea16d562e7536fde2df5a8d58335a1bcdc
Download URL:

https://rosap.ntl.bts.gov/view/dot/68199/dot_68199_DS1.pdf
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Extending the Service-Life of Bridges Using Sustainable and Resilient Abutment Systems: An Experimental Approach to the Electrochemical Characterization of Lightweight Mechanically Stabilized Earth [Research Brief]

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