Effect of pre-damage on the seismic behaviour of FRP retrofitted sub-standard short columns

I. Bedirhanoglu, A. Ilki, T. Triantafillou

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper presents the results of an experimental study investigating the seismic behavior of fiber reinforced polymer (FRP)-retrofitted shear-critical low-strength reinforced concrete (RC) short columns with or without moderate and heavy pre-damage. Towards this end, six nearly full-scale specimens were tested before and after retrofitting with FRP jackets designed to enhance the shear strength and ductility of the short columns. The test program included two reference specimens (without retrofit), two specimens retrofitted with FRP jacketing (without pre-damage) and two pre-damaged specimens, which were retrofitted with FRP jacketing after repairing. Comparisons are made between the test results considering the load carrying and deformation capacities of specimens as well as damage progression and failure mechanisms focusing on the effect of pre-damage on the structural performance.

Original languageEnglish (US)
Title of host publicationAPFIS 2019 Proceedings - 7th Asia-Pacific Conference on FRP in Structures
EditorsScott T. Smith, Tao Yu, Dilum Fernando, Zhenyu Wang
PublisherAPFIS Conference Series
ISBN (Electronic)9780648752899
StatePublished - Dec 1 2019
Event7th Asia-Pacific Conference on FRP in Structures, APFIS 2019 - Brisbane, Australia
Duration: Dec 10 2019Dec 13 2019

Publication series

NameAPFIS 2019 Proceedings - 7th Asia-Pacific Conference on FRP in Structures

Conference

Conference7th Asia-Pacific Conference on FRP in Structures, APFIS 2019
CountryAustralia
CityBrisbane
Period12/10/1912/13/19

Keywords

  • Fiber reinforced polymer (FRP)
  • Pre-damage
  • Shear
  • Short columns
  • Strengthening

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Materials Science(all)

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