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유사동적실험에 의한 기존 R/C 건축물의 프리스트레싱 철골프레임 보강공법의 내진보강효과

Title
유사동적실험에 의한 기존 R/C 건축물의 프리스트레싱 철골프레임 보강공법의 내진보강효과
Other Titles
Seismic Strengthening Effects of Existing R/C Buildings Retrofitted with Pre-stressing Steel Frame Based on Pseudo-dynamic Testing
Author
이강석
Keywords
철근콘크리트; 내진보강; 프리스트레싱; 내력증진형; 내진성능평가; 유사동적실험; Reinforced concre; Seismic rehabilitati; Pre-stressi; Strength increasing method; Seismic performance evaluati; Pseudo-dynamic testi
Issue Date
2023-06
Publisher
대한건축학회지회연합회
Citation
대한건축학회연합논문집, v. 25, NO 3, Page. 37-46
Abstract
This research proposed a seismic strengthening technique of Pre-stressing Steel Frame methodology (PSF) for existing R/C buildings in order to enhance the connection performance and constructability. The PSF system, proposed in this study, is a type of strength-enhancing reinforcement systems to easily increase the ultimate horizontal shear capacity of R/C structures without seismic details. The PSF method increased the seismic reinforcement effect and constructability by separating the reinforcement H-frames into two parts for improving the integration of connections between the existing R/C frame and the strengthening member by using pre-stressing technique. Two test specimens of full-size two-story R/C frames were fabricated based on an existing domestic R/C building without seismic details, and then retrofitted by using the proposed PSF seismic system. Pseudo-dynamic testing was conducted to evaluate seismic rehabilitation effects, and the seismic response characteristics of the proposed system, in terms of the maximum shear force, response story drift, and seismic damage degree compared to the control specimen without strengthening frame. Test results revealed that the proposed PSF reinforcement system effectively enhanced the horizontal shear force, resulting in reduced story drift of R/C buildings under the maximum design earthquake level designated in KDS 41.
URI
https://information.hanyang.ac.kr/#/eds/detail?an=edsers.431761&dbId=edsershttps://repository.hanyang.ac.kr/handle/20.500.11754/190291
ISSN
1229-5752
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > ARCHITECTURE(건축학부) > Articles
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