Civil and Environmental Engineering

 

ORCID IDs

Daniel Linzell

Date of this Version

4-2017

Document Type

Article

Citation

University of Nebraska-Lincoln Spring 2017 Research Fair, Graduate Student Poster Session, April 5, 2017.

Comments

Copyright © 2017 Ahmed Rageh & Daniel Linzell.

Abstract

Problems - Steel Railway Trusses • Aging • Large system – bridge AND railway • Labor intensive condition eval • Reported conditions: Stringer-to-floor beam connections [Haghani 2012] Stringer flange clip angle cracks [Haghani 2012] Unequal eyebars stress distribution [DelGrego 2008] Displaced eyebar pins [DelGrego 2008

Problems – Condition Evaluation • Visual inspection: Prescribed frequency Costly Subjected to human interpretation • Sensors: Focused on a single bridge Extensive array Costly

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