This research experimentally addresses the seismic response of a cylindrical liquid storage tank in terms of six factors, i.e., acceleration, displacement, hoop and axial stresses in the tank wall, sloshing and uplift. Both material and geometrical nonlinear interaction due to sloshing and uplift are considered. The simultaneous effects of the fixity condition, the supporting base flexibility and the aspect ratio on the response are presented in radar plots. The results reveal that, depending on the aspect ratio, the supporting base flexibility governs the overall response by activating uplift. A nonlinear elastic spring–mass model gives a good representation of the results.

本研究从六个因素（即罐壁中的加速度、位移、环向和轴向应力、晃动和隆起）方面通过实验解决了圆柱形液体储罐的地震响应。由于晃动和隆起引起的材料和几何非线性相互作用都被考虑在内。雷达图中显示了固定条件、支撑底座灵活性和纵横比对响应的同时影响。结果表明，根据纵横比，支撑基础的灵活性通过激活隆起来控制整体响应。非线性弹性弹簧质量模型很好地表示了结果。