Structural Engineering and Mechanics

  • 제82권5호
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  • Pages.557-569
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  • 2022
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  • 1225-4568(pISSN)
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  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
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How does the knowledge level affect the seismic retrofit cost? The case study of a RC building

  • Miano, Andrea (Department of Structures for Engineering and Architecture, University of Naples Federico II) ;
  • Chiumiento, Giovanni (Department of Structures for Engineering and Architecture, University of Naples Federico II) ;
  • Formisano, Antonio (Department of Structures for Engineering and Architecture, University of Naples Federico II) ;
  • Prota, Andrea (Department of Structures for Engineering and Architecture, University of Naples Federico II)
  • 투고 : 2020.10.17
  • 심사 : 2022.01.12
  • 발행 : 2022.06.10
⟨ 이전 논문 다음 논문 ⟩

초록

The retrofit of existing structures in high seismic zones is a crucial issue in the earthquake engineering field. The interest of the research community is particularly high for the structures that do not respect current seismic codes and present structural deficiencies such as poor detailing and lack of capacity design provisions. A reinforced concrete (RC) school building is used as case study to show the influence of different knowledge levels on the seismic retrofitting cost assessment. The safety assessment of the case study building highlights deficiencies under both vertical and seismic loads. By considering all the possible knowledge levels defined by the Italian such as by the European codes in order to derive the mechanical properties of the school building constitutive materials, the retrofit operations are designed to achieve different seismic safety thresholds. The retrofit structural costs are calculated and summed up to the costs for in-situ in tests. The paper shows how for the case study building the major costs spent for a large number of in-situ tests allows to save a consistent amount of money for retrofit operations. The hypothesis of demolition and reconstruction of the building is also compared in terms of costs with all the analyzed retrofit options.

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참고문헌

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