中文摘要：

介绍了大圆筒基础在循环动荷载作用下的离心模型试验结果。研究在动荷载作用下大圆筒基础的动力响应，并比较了荷载强度和基础刚度对基础动力响应的影响。综合孔压变化和基础沉降规律分析基础有两种可能的破坏模式：最初一两小时内振动的液化破坏和长时间激振后沉降过大引发的问题。将单筒连接成多筒基础，以增大基础刚度，则在相同动载强度下，周围孔压增长和激振沉降均小于承受相同荷载条件的单筒基础。

英文摘要：

This paper presents the results of centrifuge model tests performed to study the behavior of large diameter cylinders under cyclic lateral loads. Two failure modes may be happened, that is liquefaction in the early excitation and settlement induced problem after long term excitation. However, with increased stiffness of the large diameter cylinders, the pore pressures and the induced settlement could be decreased.