Partially Earth-Anchored Cable Bridge: Ultralong-Span System Suitable for Carbon-Fiber-Reinforced Plastic Cables
Publication: Journal of Bridge Engineering
Volume 21, Issue 6
Abstract
As a new high-strength material, carbon-fiber-reinforced plastic (CFRP) cable provided an opportunity for bridge structures to achieve span limits that were not possible or economical in the past. Based on existing conceptual studies on ultralong-span bridges using CFRP, a new partially earth-anchored cable bridge (PEAC bridge) system was proposed in this study. The PEAC bridge system addresses existing challenges of applying CFRP to traditional suspension and cable-stayed bridge systems, while maintaining large spanning capacity. Through a detailed comparative study on traditional and proposed long-span systems, the performance of a PEAC bridge under static and dynamic loading was evaluated. The span limit of the PEAC bridge system was calculated based on the strength of material and cost considerations.
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Acknowledgments
This study was supported by the Sichuan Province Youth Science and Technology Innovation Team (2015TD0004) of China, the National Natural Science Foundation of China (grants 51408506 and 51308470), the Open Fund of National Engineering Laboratory of Geological Disaster Prevention Technology for Land Transportation (SWJTU-GGS-2014004), and Fundamental Research Funds for the Central Universities of China (2682015CX088).
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Information
Published In
Journal of Bridge Engineering
Volume 21 • Issue 6 • June 2016
Copyright
© 2016 American Society of Civil Engineers.
History
Received: Apr 20, 2015
Accepted: Oct 9, 2015
Published online: Feb 3, 2016
Published in print: Jun 1, 2016
Discussion open until: Jul 3, 2016
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