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자료유형
학술저널
저자정보
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대한건축학회 대한건축학회 논문집 - 구조계 大韓建築學會論文集 構造系 第25卷 第5號
발행연도
2009.5
수록면
3 - 10 (8page)

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In this research a dynamic testis performed to evaluate vibration characteristics of the main building of Bongjeong-sa (temple) in the laboratory. For this purpose, a one-third scale model with the roof-dead load of 46,710N is designed and prepared on a steel sliding table of 5m by 4m. From the result of the vibration test, we evaluate natural frequency, transfer function between base layer and damping ratio of the building. The dimensions of this test building are 2910㎜ wide and 4450㎜ long. Although the soil walls, windows and doors exist between the columns, to exclude the effect of other variables other than the joints of columns and connecting beams, they were not contained in this test model. Also, the top part of roof was not contained in this test model and replaced by weight.
In process of the random vibration experiment, we observe that the natural frequency of test building changes according to the magnitude of vibration. To confirm the variation of natural frequency, the random vibration test was performed for the RMS amplitude of different kinds. To confirm exactly the shift effect of predominant frequencies and the variation of transfer function value, sine waves that the amplitude changes from 0.2㎜ to 2.5㎜ were actuated and transfer function was calculated. A free vibration experiment is performed to determine damping ratio and verify the variation of damping ratio by the magnitude of initial impact displacement.

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Abstract
1. 서론
2. 실험체 준비 및 실험 환경
3. 진동실험 및 고찰
4. 결론
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UCI(KEPA) : I410-ECN-0101-2009-540-018374818