
Proceedings Paper
Condition assessment of a bridge superstructure using diagnostic performance indicatorsFormat | Member Price | Non-Member Price |
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Paper Abstract
With nearly one quarter of today's highway bridges rated as structurally deficient or functionally obsolete, it is ever more
important to quantify the safe level of performance using in-situ structural health monitoring techniques. This paper
discusses the experimental testing of a single simply supported span composite superstructure under various controlled
progressive damage cases. The single span is part of a three span bridge located in northern New York. Using strain
transducers mounted at the midspan and support locations, changes in load distribution factors and neutral axis locations
are calculated to detect changes in load shedding behavior and structural capacity of the bridge span as diaphragm
connections were severed and support conditions were altered to different levels. The results of the testing show that
changes in the bridge response can be tracked as damage is introduced to the superstructure. The measurements are used
to identify the diagnostic load testing parameters that can be used as structural health indicators that can in turn be used
to complement current inspection protocols. Furthermore, the measurements also help provide a basis for future
development of a performance index to be used in conjunction with existing condition rating measures for improved
bridge condition assessment.
Paper Details
Date Published: 15 April 2011
PDF: 9 pages
Proc. SPIE 7982, Smart Sensor Phenomena, Technology, Networks, and Systems 2011, 79820G (15 April 2011); doi: 10.1117/12.880564
Published in SPIE Proceedings Vol. 7982:
Smart Sensor Phenomena, Technology, Networks, and Systems 2011
Wolfgang Ecke; Kara J. Peters; Theodore E. Matikas, Editor(s)
PDF: 9 pages
Proc. SPIE 7982, Smart Sensor Phenomena, Technology, Networks, and Systems 2011, 79820G (15 April 2011); doi: 10.1117/12.880564
Show Author Affiliations
Michael V. Gangone, Clarkson Univ. (United States)
Matthew J. Whelan, The Univ. of North Carolina at Charlotte (United States)
Matthew J. Whelan, The Univ. of North Carolina at Charlotte (United States)
Kerop D. Janoyan, Clarkson Univ. (United States)
Published in SPIE Proceedings Vol. 7982:
Smart Sensor Phenomena, Technology, Networks, and Systems 2011
Wolfgang Ecke; Kara J. Peters; Theodore E. Matikas, Editor(s)
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