Explicit method for calculating FRP volume of RC beam strengthened with externally bonded FRP

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作者：
Department of Bridge Engineering, Tongji University, Shanghai 200092, China [1 ]
机构：
来源：
Tongji Daxue Xuebao | 2006年 / 12卷 / 1583-1586期
关键词：
Bearing capacity - Bonding - Design - Fiber reinforced materials - Polymers - Reinforced concrete - Steel - Strengthening (metal);
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暂无
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学科分类号：
摘要：
The checking formulae presented by ACI 440F and Chinese Specification CECS 146:2003 are not convenient for calculating fiber reinforced polymer (FRP) volume for given target capacity of reinforced concrete (RC) beams strengthened with externally bonded FRP. A non-dimensional equation of bearing-capacity increment for rectangular beam is deduced by defining steel-reinforcement characteristic value and FRP-reinforcement characteristic value, and then an explicit formula for FRP volume calculation is presented. Furthermore, the explicit formula is applied to beams with T-shaped section or even general section by using an additional section shape factor.
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