摘要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.
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.
基金资助:The Revision of Specifications for Strengthening Design of Highway Bridges 2014(MOT)
通讯作者:
HUANG Qiao
E-mail: qhuanghit@126.com
引用本文:
黄侨, 万世成, 单彧诗, 侯旭. 桥梁预应力碳纤维板加固中的参数取值及损失计算方法研究[J]. Journal of Highway and Transportation Research and Development, 2017, 11(4): 50-57.
HUANG Qiao, WAN Shi-cheng, SHAN Yu-shi, HOU Xu. Study on a Parameter Determination and Calculation Method for the Stress Loss of Prestressed CFRP Plates in Bridge Reinforcement. Journal of Highway and Transportation Research and Development, 2017, 11(4): 50-57.
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2017, Vol. 11 
