Abstract
A research study was carried out recently in Ohio to evaluate the current method employed by Ohio Department of Transportation (ODOT) for load rating corrugated metal culverts installed under extremely shallow soil covers. In the study, six metal culvert structures were carefully selected, instrumented with sensors, and subjected to a series of static and dynamic live load tests. The field test data were analyzed to gain insight into how shallow-installation metal structures respond to live loading. The sensor readings were also used to compute thrust responses in the culverts. Then, the current ODOT load-rating procedure was applied to convert the live load to wall thrust. The thrust forces from the field tests and the calculations were compared. It was observed that the current ODOT procedure is very conservative, as the calculated thrust values were much higher than the field values for five of the six test structures.
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References
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NCSPA (National Corrugated Steel Pipe Association). (2013). “NCSPA design data sheet 19: Load rating and structural evaluation of in-service, corrugated steel structures.” ⟨http://www.ncspa.org/wp-content/images/stories/technical/dds19revFeb2013.pdf⟩ (Mar. 8, 2013).
Sargand, S. M., et al. (2015). “Task 4—Validation of ODOT shallow cover rating factor methodology for metal pipe & arch culverts.”, Ohio Univ., Athens, OH, 150.
Sezen, H., Fox, P. P., and Yeau, K. Y. (2009). “Verification of ODOT’s load rating analysis programs for metal pipe and arch culverts.”, Ohio Dept. of Transportation, Columbus, OH.
Information & Authors
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Published In
Journal of Pipeline Systems Engineering and Practice
Volume 9 • Issue 1 • February 2018
Copyright
©2017 American Society of Civil Engineers.
History
Received: Oct 13, 2016
Accepted: Jul 20, 2017
Published online: Dec 14, 2017
Published in print: Feb 1, 2018
Discussion open until: May 14, 2018
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