Field Test of a Large-Span Soil–Steel Bridge Stiffened by Concrete Rings during Backfilling
Publication: Journal of Bridge Engineering
Volume 22, Issue 10
Abstract
In this article, a field test of a large-span soil–steel bridge is described. The case study involved a corrugated steel plate that was stiffened by concrete rings. The rings were applied to make it possible to use only one layer of steel plate while covering a span as long as 20 m. The test involved deflection and strain measurements of the steel plate under increasing layers of soil. The test results show that both maximum deflection and the maximum bending moment occurred at the crown when the soil reached the crown level. Conversely, the maximum axial force occurred at the bottom of the arch when the soil reached its maximum level above the arch. The test results were compared to the well-known design methods of soil steel bridges. According to the results, the design methods are conservative in predicting bending moments, but they are more realistic in predicting axial forces.
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Information & Authors
Information
Published In
Journal of Bridge Engineering
Volume 22 • Issue 10 • October 2017
Copyright
© 2017 American Society of Civil Engineers.
History
Received: Jun 17, 2016
Accepted: Apr 21, 2017
Published online: Jul 28, 2017
Published in print: Oct 1, 2017
Discussion open until: Dec 28, 2017
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