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首页> 外文会议>International Moratuwa Engineering Research Conference >Finite Element Modelling on Flexural Performance of CFRP Strengthened Reinforced Concrete Curved Beams
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Finite Element Modelling on Flexural Performance of CFRP Strengthened Reinforced Concrete Curved Beams

机译：CFRP筋钢筋混凝土弯曲梁抗弯性能的有限元建模。

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摘要

A numerical model was developed to investigate the flexural performance of Carbon Fibre Reinforced Polymer (CFRP) strengthened concrete curved beams subjected to outof-plane bending. In this study, near surface mounted (NSM) technique has been used to strengthen the curved beams due to easy of application in curved beams subjected to out-of-plane bending. A commercially available finite element analysis software was used to simulate a numerical model and a nonlinear analysis was carried out. Alternative bonding arrangements were considered. The results indicate the highest strength performance in the curved beams with CFRP strip bonded in the radial direction of the beams. Further, it was revealed that the CFRP thickness, Elastic Modulus of CFRP, Concrete Grade, and the beam curvature affect the strength enhancement.
机译：建立了一个数值模型来研究碳纤维增强聚合物（CFRP）加固混凝土弯曲梁在平面外弯曲时的抗弯性能。在这项研究中，近表面贴装（NSM）技术由于易于在经受平面外弯曲的弯曲梁中使用，因此已用于增强弯曲梁。使用市售的有限元分析软件来模拟数值模型并进行非线性分析。考虑了替代的粘合布置。结果表明，在梁的径向上粘结了CFRP条的弯曲梁中，梁具有最高的强度性能。此外，还发现CFRP的厚度，CFRP的弹性模量，混凝土等级和梁的曲率会影响强度。

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