Structural Testing of Prestressed Concrete Girders from the Lake View Drive Bridge
Publication: Journal of Bridge Engineering
Volume 14, Issue 2
Abstract
On the evening of December 27, 2005, the fascia beam supporting the east-side parapet wall of the third span of the Lake View Drive Bridge failed under the action of dead load. This paper describes the structural testing and posttest forensic examination of two girders recovered from the partially collapsed Lake View Drive Bridge. The objective of this paper is to describe the tests conducted and report the observations. An interior and an exterior prestressed concrete adjacent box girder were tested to failure in flexure. Prior to testing, an extensive visual inspection was conducted to assess the extant condition of the -old girders. Following testing, the girders were sawcut near their failure regions to permit an extensive forensic investigation. Conclusions based on the pre- and posttest inspections and test results are presented. Recommendations intended to reinforce issues that need to be considered in the bridge inspection and rating process of similar structures are presented.
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Acknowledgments
The testing reported in this work was carried out under an Emergency PennDOT contract. The writer wishes to acknowledge the following PennDOT personnel: Tom Macioce, Andy Thomas, Mike Bonini, Michael Wedl, Dave Fasciska, and Joseph Szczur. Testing was conducted at the Laboratory Hill Road site by University of Pittsburgh graduate students: Keith Coogler, Frank Kremm, Patrick Minnaugh, Lisa Abraham, Andrew Zorn, and Tom Howell. The writer also wishes to acknowledge his collaborators in other aspects of this project: Christopher Earls, Richard Gostautas, and Terry Tamutus of Physical Acoustics Inc. The contribution of the Lehigh University forensic investigation team and Swank Construction is also gratefully acknowledged. The findings expressed in this paper are those of the writer and do not necessarily reflect the opinions of those listed here.
References
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Harries, K. A., Gostautas, R., Earls, C. J., and Stull, C. (2006). “Full-scale testing program on de-commissioned girders from the Lake View Drive Bridge.” Rep. No. CE/ST 33, The Pennsylvania Department of Transportation, Dept. of Civil and Environmental Engineering, Univ. of Pittsburgh, Pittsburgh.
Naito, C., Sause, R., Hodgson, I., Pessiki, S., and Desai, C. (2006). “Forensic evaluation of prestressed box beams from the Lake View Drive over I-70 Bridge.” ATLSS Rep. No. 06-13, Lehigh Univ., Lehigh, Pa.
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Information & Authors
Information
Published In
Journal of Bridge Engineering
Volume 14 • Issue 2 • March 2009
Pages: 78 - 92
Copyright
© 2009 ASCE.
History
Received: Jan 29, 2007
Accepted: Jul 31, 2008
Published online: Mar 1, 2009
Published in print: Mar 2009
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