Behavior, Analysis, and Design of an Instrumented Link Slab Bridge
Publication: Journal of Bridge Engineering
Volume 10, Issue 3
Abstract
Presented in this paper are the results of a research project on the monitoring and assessment of the first link slab jointless bridge in the state of North Carolina. The structure was instrumented with a remote data acquisition system and monitored for over a year. In addition, a controlled load test was conducted in an effort to determine the demand on the link slab under known loads. A procedure for the limit-states design of a link slab system is also presented. Results indicate that while the crack size in the link slab exceeded the design level, the link slab fulfilled its function. Furthermore, the rotational demand from the large controlled loads as well as the traffic loads was similar in magnitude to the thermal induced rotations due to the difference in temperature between the top and bottom of the bridge.
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Acknowledgments
The research described in this paper was supported by the North Carolina Department of Transportation under research grant HWY-2001-01. In addition, several NCDOT engineers were very helpful during the project period including Tim Rountree, Rodger Rochelle, Moy Biswas, Rob Woodruff, and Tom Koch. The writers would also like to thank Paul Zia, Matt Wagner, Bruce Warren, Jerry Atkinson, and Bill Dunleavy for their various contributions to the large instrumentation effort.
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Information & Authors
Information
Published In
Journal of Bridge Engineering
Volume 10 • Issue 3 • May 2005
Pages: 331 - 344
Copyright
© 2005 ASCE.
History
Received: Aug 11, 2003
Accepted: May 3, 2004
Published online: May 1, 2005
Published in print: May 2005
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