Flexural Behaviour of Concrete Beams Reinforced With GFRP Bars
Flexural Behaviour of Concrete Beams Reinforced With GFRP Bars
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DOI：
10.1111/j.1475-1305.2009.00662.x
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发表时间：
2010-10-01
期刊：
影响因子：
2.1
通讯作者：
Spadea, S.
中科院分区：
文献类型：
--
作者：
Ascione, L.;Mancusi, G.;Spadea, S.
本文介绍了在萨勒诺大学土木工程系进行的一个大型实验项目的一些结果。研究了玻璃纤维增强聚合物(GFRP)、碳纤维增强聚合物(CFRP)筋和箍筋加固混凝土梁在使用条件下的静力性能。在整个40根梁的试验方案中，考虑了两种不同的混凝土强度和两种不同的配筋率。最终目标是调查跨中挠度和裂缝宽度。此外，还研究了结构在破坏前的极限行为。本文介绍并讨论了该试验方案的一部分，涉及10个用GFRP筋加固的原型。最后，与CNR-DT203/2006的分析预测进行了比较。
The paper presents some of the results from a large experimental program undertaken at the Department of Civil Engineering of Salerno University. The static behaviour under service conditions of concrete beams reinforced with GFRP (Glass Fibre-Reinforced Polymer) as well as CFRP (Carbon Fibre-Reinforced Polymer) bars and stirrups is examined. Within the whole experimental program concerning forty beams, two different concrete strengths and two different percentages of reinforcement are taken into consideration. The final aim is to investigate both deflections at midspan and crack widths. Moreover, the ultimate behaviour up to failure is also investigated. A part of this experimental program, concerning ten prototypes reinforced with GFRP bars, is here presented and discussed. Finally, comparisons with analytical predictions given by CNR-DT 203/2006 are also shown.