Steel and Composite Structures

  • 제45권5호
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  • Pages.653-663
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  • 2022
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  • 1229-9367(pISSN)
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  • 1598-6233(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Buckling performance of pultruded glass fiber reinforced polymer profiles infilled with waste steel fiber reinforced concrete under axial compression

  • Emrah, Madenci (Necmettin Erbakan University, Department of Civil Engineering) ;
  • Sabry, Fayed (Department of civil engineering, Faculty of Engineering, Kafrelshiekh University) ;
  • Walid, Mansour (Department of civil engineering, Faculty of Engineering, Kafrelshiekh University) ;
  • Yasin Onuralp, Ozkilic (Necmettin Erbakan University, Department of Civil Engineering)
  • 투고 : 2022.10.27
  • 심사 : 2022.11.29
  • 발행 : 2022.12.10
⟨ 이전 논문 다음 논문 ⟩

초록

This study reports the results of a series of tests of pultruded glass fiber reinforced polymer (P-GFRP) box section composite profile columns, geometrically similar with/without concrete core, containing 0-1-2-3% steel fiber, with different lengths. The recycled steel wires were obtained from waste tyres. The effects of steel fiber ratio on the collapse and size effect of concrete filled P-GFRP columns under axial pressure were investigated experimentally and analytically. A total of 36 columns were tested under compression. The presence of pultruded profile and steel wire ratio were selected as the primary variable. The capacity of pultruded profiles with infilled concrete are averagely 9.3 times higher than the capacity of concrete without pultruded profile. The capacity of pultruded profiles with infilled concrete are averagely 34% higher than that of the pultruded profiles without infilled concrete. The effects of steel wire ratio are more pronounced in slender columns which exhibit buckling behavior. Moreover, the proposed analytical approach to calculate the capacity of P-GFRP columns successfully predicted the experimental findings in terms of both pure axial and buckling capacity.

키워드

과제정보

Emrah Madenci: Methodology, Conceptualization, Formal Analysis, Writing - original draft, Writing - review & editing ; Sabry Fayed: Conceptualization, Writing - original draft, Writing - review & editing Walid Mansour: Conceptualization, Writing - original draft, Writing - review & editing Yasin Onuralp Ozkilic: Writing - original draft, Writing - review & editing, Data curation, Formal Analysis, Methodology, Conceptualization

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