Dynamic Response Research of the Framed Spherical Tank Seismic Subsructure with Liquid Sloshing
Journal Title: Scholars Journal of Engineering and Technology - Year 2016, Vol 4, Issue 4
Abstract
Abstract: In recent years, the frequency that the earthquakes occur shows a tendency of rising, and the importance of the seismic method is increasing gradually. Towering framed structure as a very important special structure, the application amount is large and the field of usage is wide, and its future will develop for the deriction of large and high. Adopting the finite element analysis software ADINA, this paper established the framed spherical storage tank that height was 52m, modal calculation was proceeded for structures, which structures have different in reservoir volume, respectively 0%, 50% and 85%. Comparing the modal analysis of framed spherical tank in four methods, known that the natural vibration period was most chose to the reality in method two. Determined the structure of the Rayleigh damping factor. Because under earthquake, the liquid sloshing had influence on structure, did time history analysis. It proved that the liquid sloshing had the shock absorption effect on the dynamic response of the structure, it cannot be ignored. Keywords: framed spherical tank, liquid sloshing, time history analysis, modal analysis, damp.
Authors and Affiliations
Zhou Li jian, Sun Ming yang, Wang Xue
Keywords
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