Experimental investigation on FRP-reinforced surface cracked steel plates subjected to cyclic tension

Zongchen Li, Xiaoli Jiang, Hans Hopman, Ling Zhu, Zhiping Liu, Weiguo Tang

Research output: Contribution to journalArticleScientificpeer-review

3 Citations (Scopus)
3 Downloads (Pure)

Abstract

Surface cracked steel plates reinforced with single-side Fiber-Reinforced Polymer (FRP) subjected to cyclic tension are experimental studied. The main purpose is to analyze the effect of FRP reinforcement on the crack growth. The failure modes and their effects are analyzed as well. Given the single-side reinforcement, reinforcing the cracked surface significantly prolonged the fatigue life, while reinforcing the reversed side resulted in the opposite consequence. Most specimens did not encounter debonding failures, indicating such failures are avoidable by improving the reinforcement quality. The results also indicate the bond layer number is an insensitive factor–an optimum number is existed.

Original languageEnglish
Number of pages15
JournalMechanics of Advanced Materials and Structures
DOIs
Publication statusE-pub ahead of print - 2020

Keywords

  • Debonding
  • fatigue crack growth rate
  • fatigue test
  • FRP reinforcement
  • surface crack

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