Earticle

초록

영어

This study proposes a new concept called Precast Reinforced Block Wall (PRBW), which improves and complements the drawbacks of existing strength enhancement seismic reinforcement methods. The PRBW seismic reinforcement method allows residents to continue residing in buildings while seismic reinforcement construction is underway. It minimizes the increase in building weight due to reinforcement and exhibits excellent joint constructability. Especially suitable for R/C buildings with typical strength-enhancing seismic reinforcement requirements, which typically exhibit non-seismic details dominated by shear failure, PRBW serves as an easily implementable seismic reinforcement method. Using a physical two-story R/C frame specimen based on existing non-seismic R/C buildings, pseudo-dynamic experiments were conducted to verify restorability, stiffness enhancement, and seismic response displacement control capability of the externally attached PRBW reinforcement system. The research findings indicated that under Korea’s Design Basis Earthquake (DBE) level of 200 cm/s², the unreinforced R/C frame experienced shear failure, while the frame reinforced with PRBW seismic reinforcement suffered minor seismic damage. Even under the maximum considered earthquake (MCE) of 300 cm/s², only moderate seismic damage was expected. This study successfully validated the effectiveness of the newly developed PRBW seismic reinforcement method.

목차

Abstract
1. 서론
1.1 연구배경 및 목적
1.2 연구범위 및 방법
2. PRBW 외부접합형 내진보강법 제안
2.1 PRBW 내진보강공법의 개요
2.2 PRBW 내진보강공법의 시공순서
3. 유사동적실험 개요
3.1 유사동적실험 시스템 및 방법
3.2 실험체 제작 및 변수
3.3 사용재료 및 특성
4. 유사동적 실험결과 및 분석
4.1 균열 및 파괴형상
4.2 최대 지진응답 하중 및 변위
4.3 지진응답 하중-변위관계 및 변위-시간이력 결과의 비교 및 분석
5. 결론
REFERENCES

저자

• 이원훈 [ Lee Won-Hun | 한양대학교 대학원 건축시스템공학과 박사과정 ]
• 이은경 [ Lee Eun-Kyung | 한양대학교 대학원 스마트시티공학과 박사과정 ]
• 이강석 [ Lee, Kang-Seok | 한양대학교 에리카 건축학부&스마트시티공학과 교수, 공학박사 ] Corresponding Author

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