Carbon fiber-reinforced polymer (CFRP) is a widely used material to strengthen deficient structures externally. While CFRP has numerous advantages, debonding is the main problem of CFRP-strengthened reinforced concrete (RC) beams as it causes sudden failure. Thus, to circumvent this problem, failure modes of an RC beam strengthened with CFRP need to be understood. There are various application types of CFRP strips and plates depending on their ease of application and contribution as a strengthening material such as side bonding and wrapping. Using CFRP as a strip is a cost effective way and is widely preferred. Strip width and spacing have a firsthand effect on the mechanical behavior of the strengthened element. Accordingly, in this study, AE parameter analysis and SiGMA analysis were applied for identification of CFRP strip width effect on fracture of RC beams having different CFRP widths. Within the scope of the experimental study, a reference beam and two CFRP-strengthened beams were tested under cyclic loading and monitored by AE. Both mechanical and AE results show that the behavior is not enhanced by increasing the strip width.

碳纤维增强聚合物（CFRP）是一种广泛用于增强外部缺陷结构的材料。尽管CFRP具有许多优点，但脱粘是CFRP加固钢筋混凝土（RC）梁的主要问题，因为它会导致突然失效。因此，为了解决这个问题，需要了解用CFRP加固的RC梁的破坏模式。CFRP条和板的应用类型多种多样，具体取决于它们的易用性和作为增强材料（如侧面粘合和包裹）的作用。使用CFRP作为条带是一种经济有效的方法，因此受到广泛青睐。带材的宽度和间距对强化元件的机械性能具有第一手的影响。因此，在这项研究中，AE参数分析和SiGMA分析被用于识别CFRP带材宽度对具有不同CFRP宽度的RC梁的断裂的影响。在实验研究的范围内，参考梁和两根CFRP加固梁在循环荷载下进行了测试，并由AE进行了监视。机械和AE结果均表明，通过增加带钢宽度不会改善这种行为。