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자료유형
학술저널
저자정보
저널정보
대한건축학회 대한건축학회 논문집 - 구조계 大韓建築學會論文集 構造系 第25卷 第7號
발행연도
2009.7
수록면
55 - 62 (8page)

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After an earthquake, the major concerns to damaged buildings are their safety/risk to aftershocks, quantitative damage assessment to evaluate their residual seismic capacity and to identify necessary actions on the damaged buildings. Few investigations on unreinforced masonry infills, however, have been made to quantitatively identify their damage level and criteria to judge necessary actions for their continued use, repair and rehabilitation although their damage has been often found in the past damaging earthquakes. In this study, reinforced concrete (RC) frames with unreinforced concrete block (CB) infills for school buildings in Korea are tested under cyclic loadings, and a simplified model is proposed to investigated the relationship between residual crack widths of CB infills and residual deformations of overall frames. Although the measured crack widths of CB infills are much smaller than the residual deformations of RC frames, a simplified model proposed in this study considering flexural and shear deformation distribution of columns can rationally reproduce the measured crack widths. The relationship between crack widths of CB infills and residual deformations of frames is further investigated and their ratios are found to lie approximately in the range of 0.2 to 0.3. This result implies that the residual deformation of frame can be estimated from residual crack width of CB infill.

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Abstract
1. 서론
2. 실험개요
3. 잔류균열폭을 이용한 잔존내진성능 평가법 기본개념
4. 블록채움벽체의 잔류균열폭과 잔류변형과의 관계
5. 결론
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