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논문 기본 정보

자료유형
학술저널
저자정보
Ormeno, Miguel (Department of Civil and Environmental Engineering, The University of Auckland, Faculty of Engineering) Larkin, Tam (Department of Civil and Environmental Engineering, The University of Auckland, Faculty of Engineering) Chouw, Nawawi (Department of Civil and Environmental Engineering, The University of Auckland, Faculty of Engineering)
저널정보
테크노프레스 Coupled systems mechanics Coupled systems mechanics 제1권 제4호
발행연도
2012.1
수록면
311 - 324 (14page)

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Previous investigations have demonstrated that strong earthquakes can cause severe damage or collapse to storage tanks. Theoretical studies by other researchers have shown that allowing the tank to uplift generally reduces the base shear and the base moment. This paper provides the necessary experimental confirmation of some of the numerical finding by other researchers. This paper reports on a series of experiments of a model tank containing water using a shake table. A comparison of the seismic behaviour of a fixed base system (tank with anchorage) and a system free to uplift (tank without anchorage) is considered. The six ground motions are scaled to the design spectrum provided by New Zealand Standard 1170.5 (2004) and a range of aspect ratios (height/radius) is considered. Measurements were made of the impulsive acceleration, the horizontal displacement of the top of the tank and uplift of the base plate. A preliminary comparison between the experimental results and the recommendations provided by the liquid storage tank design recommendations of the New Zealand Society for Earthquake Engineering is included. The measurement of anchorage forces required to avoid uplift under varying conditions will be discussed.

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