Shear capacity behavior of Reinforced Concrete (RC) beams strengthened with CFRP strips

IF 0.3 4区 工程技术 Q4 ENGINEERING, MULTIDISCIPLINARY Revista Internacional de Metodos Numericos para Calculo y Diseno en Ingenieria Pub Date : 2021-01-01 DOI:10.23967/j.rimni.2021.08.001
Y. Tian, S. Jiang, J. Meng, G. Shi, B. Zhang, S. Chen, W. Khan
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Abstract

Recently, reinforced concrete beams strengthened with carbon fiber reinforced polymers (CFRP) have been widespread. The objective of this research is to calculate the shear strength capacity increment of reinforced concrete beams strengthened by CFRP strips. The ABAQUS software was used to construct a model of the finite elements for beam simulation. Six beams were generated in ABAQUS software, two were control beams and the remaining four were reinforced by varying CFRP strips. All beams had the same rectangular cross-section geometry and length. The obtain results showed that CFRP can significantly increase the shear capacity of the beam. And the highest load and deflection is a little affected by the CFRP strips orientation. This study can proposes a more economical way for existing structures to improve the carrying capacity.
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碳纤维布加固钢筋混凝土梁的抗剪性能
近年来,碳纤维增强聚合物(CFRP)加固钢筋混凝土梁得到了广泛应用。本研究的目的是计算CFRP条加固的钢筋混凝土梁的抗剪承载力增量。采用ABAQUS软件建立有限元模型,进行梁的有限元模拟。在ABAQUS软件中生成了6根梁,其中2根为控制梁,其余4根采用不同的CFRP条进行加固。所有梁具有相同的矩形截面几何形状和长度。结果表明,CFRP能显著提高梁的抗剪能力。最高荷载和挠度受CFRP条方向的影响较小。该研究为现有结构提高承载力提供了更为经济的途径。
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来源期刊
CiteScore
0.70
自引率
0.00%
发文量
26
审稿时长
6 months
期刊介绍: International Journal of Numerical Methods for Calculation and Design in Engineering (RIMNI) contributes to the spread of theoretical advances and practical applications of numerical methods in engineering and other applied sciences. RIMNI publishes articles written in Spanish, Portuguese and English. The scope of the journal includes mathematical and numerical models of engineering problems, development and application of numerical methods, advances in software, computer design innovations, educational aspects of numerical methods, etc. RIMNI is an essential source of information for scientifics and engineers in numerical methods theory and applications. RIMNI contributes to the interdisciplinar exchange and thus shortens the distance between theoretical developments and practical applications.
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