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자료유형
학술저널
저자정보
서수연 (한국교통대) 문정호 (한남대) 오영훈 (건양대) 윤현도 (충남대)
저널정보
대한건축학회 대한건축학회논문집 大韓建築學會論文集 第39卷 第6號(通卷 第416號)
발행연도
2023.6
수록면
203 - 212 (10page)

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초록· 키워드

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Precast concrete (PC) buildings with wall system are constructed by stacking wall panels and floor slabs, which are typically connected through grouted vertical and horizontal joints. The strength and deformability of vertical joints between PC wall panels play a crucial role in ensuring the integrity of PC wall-type structures. This study presents the test results on the shear performance of vertical joints that were grouted with concrete and reinforced with overlapping U-shaped (loop) bars. Four jointed PC wall panels were constructed and tested under monotonic and cyclic shear loading. Each specimen consists of two PC wall panels, assembled with 170 mm vertical joint and loop bars along the height for casting joint mortar. The deformed bars of 10 and 13 mm were utilized as U-shaped loop bars within the vertical joints. Direct shear tests showed that under monotonic loading, a specimen VJ-10M with 10 mm U-shaped bars exhibited more ductile shear-slip response than the specimen VJ-13M with 13 mm U-shaped bars while the shear strength of VJ13-M is 16 % higher than VJ-10M. Both VJ-10M and –13M specimens show higher shear strength and greater ductility than VJ-10C and –13C specimens loaded under cyclic shear. Furthermore, this study evaluated the existing empirical and shear friction design formulas by comparing predicted strength and measured strength of 192 vertical joint specimens from this study and available literatures.

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Abstract
1. 서론
2. PC 벽판 수직접합부의 국내 연구 동향
3. PC 벽판 수직접합부의 전단실험
4. PC벽판 수직접합부 전단강도
5. 결론
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