Computers and Concrete

  • 제6권4호
  • /
  • Pages.281-303
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  • 2009
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  • 1598-8198(pISSN)
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  • 1598-818X(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

A fuzzy expert system for diagnosis assessment of reinforced concrete bridge decks

  • Ramezanianpour, Ali Akbar (Department of Civil and Environment Engineering, Amirkabir University of Technology) ;
  • Shahhosseini, Vahid (Construction Engineering and Management, Amirkabir University of Technology) ;
  • Moodi, Faramarz (Concrete Technology & Durability Research Center, Amirkabir University of Technology)
  • 투고 : 2009.04.06
  • 심사 : 2009.06.16
  • 발행 : 2009.08.25
⟨ 이전 논문 다음 논문 ⟩

초록

The lack of safety of bridge deck structures causes frequent repair and strengthening of such structures. The repair induces great loss of economy, not only due to direct cost by repair, but also due to stopping the public use of such structures during repair. The major reason for this frequent repair is mainly due to the lack of realistic and accurate assessment system for the bridge decks. The purpose of the present research was to develop a realistic expert system, called Bridge Slab-Expert which can evaluate reasonably the condition as well as the service life of concrete bridge decks, based on the deterioration models that are derived from both the structural and environmental effects. The diagnosis assessment of deck slabs due to structural and environmental effects are developed based on the cracking in concrete, surface distress and structural distress. Fuzzy logic is utilized to handle uncertainties and imprecision involved. Finally, Bridge Slab-Expert is developed for prediction of safety and remaining service life based on the chloride ions penetration and fick's second law. Proposed expert system is based on user-friendly GUI environment. The developed expert system will allow the correct diagnosis of concrete decks, realistic prediction of service life, the determination of confidence level, the description of condition and the proposed action for repair.

키워드

참고문헌

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