Abstract

일반적으로 조적조는 시공이 용이하고 경제적인 구조로서 국내뿐만 아니라 해외에서도 가장 오래되고 광범위하게 사용되는 구조이다. 조적벽을 RC 골조에 장막벽으로 사용하는 채움벽 형태의 구조는 시공이 용이하고 경제적이기 때문에 저층 주거용 건물, 학교건물 등에 많이 적용되고 있으나, 설계시에는 비구조부재로 취급되어 채움벽의 효과를 반영하지 않고 있다. 본 연구에서는 기존의 사각형 조적개체의 횡력에 대한 취약성을 개선하기 위해 개발된 육각형 블록을 RC 골조 채움벽에 적용한 채움벽 골조에 대한 구조실험을 수행하여 육각형블록 조적채움벽의 효과를 평가하고자 하였다. RC frames with unreinforced masonry infiledl walls are common in worldwide. Since infilled walls are normally considered as non-structural elements, their presence is often ignored by engineers. In this study, to improve the seismic performance of masonry walls, hexagonal block was developed and the influence of masonry infilled wall on the seismic performance of reinforced concrete(RC) frames that were designed in accordance with current code provisions without the consideration of earthquake loadings are investigated. Two 1/2 scale, single story, single bay, frame specimens were tested. The parameters investigated included that the strength of infilled wallls with respect to that of the lateral load history. The experimental results indicate that infilled walls can significantly improve the lateral stiffness and strength of RC frames. The lateral loads developed by the infilled frame specimen is higher than that of the bare frame. It also indicates that infilled walls can be potentially used to improve the performance of existing nonductile frames. For this purpose. methods should be developed to avoid irreparable damage and catastrophic failure.

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