Nonlinear finite element analysis of reinforced concrete beams strengthened by fiber-reinforced plastics

Hsuan Teh Hu, Fu Ming Lin, Yih Yuan Jan

研究成果: Article

89 引文 斯高帕斯(Scopus)

摘要

Numerical analyses are performed using the ABAQUS finite element program to predict the ultimate loading capacity of rectangular reinforced concrete beams strengthened by fiber-reinforced plastics applied at the bottom or on both sides of these beams. Nonlinear material behavior, as it relates to steel reinforcing bars, plain concrete, and fiber-reinforced plastics is simulated using appropriate constitutive models. The influences of fiber orientation, beam length and reinforcement ratios on the ultimate strength of the beams are investigated. It has been shown that the use of fiber-reinforced plastics can significantly increase the stiffnesses as well as the ultimate strengths of reinforced concrete beams. In addition, with the same fiber-reinforced plastics layer numbers, the ultimate strengths of beams strengthened by fiber-reinforced plastics at the bottom of the beams are much higher than those strengthened by fiber-reinforced plastics on both sides of the beams.

原文English
頁(從 - 到)271-281
頁數11
期刊Composite Structures
63
發行號3-4
DOIs
出版狀態Published - 2004 一月 1

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Civil and Structural Engineering

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