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| Study on a Parameter Determination and Calculation Method for the Stress Loss of Prestressed CFRP Plates in Bridge Reinforcement |
| HUANG Qiao1, WAN Shi-cheng1, SHAN Yu-shi1, HOU Xu2 |
1. School of Transportation, Southeast University, Nanjing Jiangsu 210096, China;
2. CCCC First Highway Consultants Co., Ltd., Xi'an Shannxi 710075, China |
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Abstract On the basis of Chinese and foreign specifications and the latest research findings, an appropriate parameter determination method for bridge reinforcement with prestressed carbon-fiber-reinforced polymer (CFRP) plates was proposed to determine the key design indices and calculation coefficients. Each item of prestress loss was studied and a novel calculation method was proposed to determine the usage amount and effective stress of prestressed CFRP plates for reinforcement design, in consideration of the relevant construction technology and anchorage system. The feasibility and reliability of the suggested method in this paper were verified by using an RC simply supported beam bridge reinforcement project as an example.
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Received: 16 September 2016
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| Fund:The Revision of Specifications for Strengthening Design of Highway Bridges 2014(MOT) |
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Corresponding Authors:
HUANG Qiao
E-mail: qhuanghit@126.com
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2017, Vol. 11 
