Reference-Free Estimates of Railroad Bridge Displacement Under Revenue Service Traffic

Spencer, B.F.; Gomez, F.; Park, J.; Yoon, H.; Moreu, F.; University of Illinois at Urbana-Champaign. Department of Civil and Environmental Engineering

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Reference-Free Estimates of Railroad Bridge Displacement Under Revenue Service Traffic

2020-05-01
By Spencer, B.F. ; Gomez, F. ; Park, J. ; ...

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Creators:

Spencer, B.F. ; Gomez, F. ; Park, J. ; Yoon, H. ; Moreu, F.

Spencer, B.F. ; Gomez, F. ; Park, J. ; Yoon, H. ; Moreu, F. Less -
Corporate Creators:

University of Illinois at Urbana-Champaign. Department of Civil and Environmental Engineering
Corporate Contributors:

United States. Department of Transportation. Federal Railroad Administration. Office of Railroad Policy and Development ; United States. Department of Transportation. Federal Railroad Administration. Office of Research, Development and Technology

United States. Department of Transportation. Federal Railroad Administration. Office of Railroad Policy and Development ; United States. Department of Transportation. Federal Railroad Administration. Office of Research, Development and Technology Less -
Subject/TRT Terms:

[+]

Bridge Performance Monitoring Campaign Monitoring Monitoring Railroad Bridges Railroad Bridge Safety Reference-free Displacements Estimation Safety
Publication/ Report Number:

DOT/FRA/ORD-20/21
Resource Type:

Tech Report
Geographical Coverage:

United States
Edition:

Technical Report May 2015-August 2016
Contracting Officer:

Stuart, Cameron
Corporate Publisher:

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

A top bridge research priority for railroad owners is to determine bridge displacements under in-service train loadings. Recent studies have demonstrated that displacement data assists railroad owners in prioritizing maintenance, repair, and replacement policies. However, displacement measurements are expensive to collect because of the need for static reference points. In this research project, UIUC has developed a straightforward and cost-effective means to estimate reference-free bridge displacements under in-service train loads from measured accelerations. The proposed system was validated for railroad bridges of higher interest/need of condition assessment by Class I railroads, such as timber trestles and steel trusses, with an emphasis in pinconnected trusses
Format:

PDF
Funding:

DTFR53-15-C-00014
Collection(s):

Federal Railroad Administration
Main Document Checksum:

[+]

urn:sha256:a5c6c5465bd91fec24749c1178853ee87dfadd5f80398e48f8bdd832876d45a7
Download URL:

https://rosap.ntl.bts.gov/view/dot/49340/dot_49340_DS1.pdf
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Reference-Free Estimates of Railroad Bridge Displacement Under Revenue Service Traffic

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