특수모멘트골조 상세를 갖는 건식 프리캐스트 콘크리트 보-기둥 접합부의 내진성능평가
(주)코리아스칼라
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- 2023.09.11
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- 2023.09
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서지정보
ㆍ발행기관 : 한국지진공학회
ㆍ수록지정보 : Jorunal of the Earthquake Engineering Society of Korea / 27권 / 5호
ㆍ저자명 : 김선훈, 이득행, 김용겸, 이상원, 여운용, 박정은
목차
1. 서 론
2. 실험적 연구
2.1 공법개요
2.2 실험체 설계
2.3 실험체 제작 과정
2.4 재료 및 기계적이음 성능시험
2.5 실험 방법
3. 실험 결과
3.1 이력거동
3.2 철근의 변형률
3.3 할선강성
3.4 에너지소산능력
4. 내진성능평가
4.1 이력거동
5. 결 론
감사의 글
영어 초록
For fast-built and safe precast concrete (PC) construction, the dry mechanical splicing method is a critical technique that enables a self-sustaining system (SSS) during construction with no temporary support and minimizes onsite jobs. However, due to limited experimental evidence, traditional wet splicing methods are still dominantly adopted in the domestic precast industry. For PC beam-column connections, the current design code requires achieving emulative connection performances and corresponding structural integrity to be comparable with typical reinforced concrete (RC) systems with monolithic connections. To this end, this study conducted the standard material tests on mechanical splices to check their satisfactory performance as the Type 2 mechanical splice specified in the ACI 318 code. Two PC beam-column connection specimens with dry mechanical splices and an RC control specimen as the special moment frame were subsequently fabricated and tested under lateral reversed cyclic loadings. Test results showed that the seismic performances of all the PC specimens were fully comparable to the RC specimen in terms of strength, stiffness, energy dissipation, drift capacity, and failure mode, and their hysteresis responses showed a mitigated pinching effect compared to the control RC specimen. The seismic performances of the PC and RC specimens were evaluated quantitatively based on the ACI 374 report, and it appeared that all the test specimens fully satisfied the seismic performance criteria as a code-compliant special moment frame system.
참고 자료
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