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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6號
발행연도
2009.6
수록면
41 - 48 (8page)

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With the production of light?weight and high?strength construction materials and the advance of structure design techniques, various forms of high?rise buildings are being constructed. These buildings cannot help considering the effect of wind load. Because wind velocity grows higher with the increase in height from the ground, high?rise buildings respond sensitively to the wind and make vibration. In order to reduce the vibration, many additional mass devices are being developed. Recently, supplementary dampers using tuned liquid column damper (TLCD) are being developed actively. This study purposed to measure the amplitude response and the head loss coefficient of TLCD for different sizes of excitation amplitude according to the aperture ratio of orifice. In addition, we obtained the head loss coefficient according to the length of the horizontal column at natural frequency determined by the length of the vertical column and the horizontal column of TLCD. Thus, this study analyzed for the amplitude response and head loss coefficient of tuned liquid column damper according to the porosity of orifice while vibrating amplitude and natural frequency change. In addition, as the natural frequency of TLCD is determined by the length of the vertical and the horizontal column, we examined the variation of the head loss coefficient of orifices in adjusting natural frequency according to the length of the horizontal column. In the results of experiment, the larger vibrating amplitude was, the lower the head loss coefficient was. Under the same porosity, the head loss coefficient decreased by up to 4 times by 1mm of vibrating amplitude and 20mm of vibrating amplitude. Porosity and vibrating amplitude had a considerable effect on the head loss coefficient. When the length of the horizontal pipe increased, the overall head loss coefficient decreased by around 1.5-2 times.

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Abstract
1. 서론
2. 동조액주관댐퍼의 이론적 해석
3. 진동대실험 및 데이터 해석
4. 실험결과 및 분석
5. 결론
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