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Centrifuge modeling of suction bucket foundations for platforms under ice-sheet-induced cyclic lateral loadings

机译：冰盖引起的周期性侧向荷载作用下平台吸水桶基础的离心模型

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This paper presents the results of a series of centrifuge model tests performed to study the behavior of suction bucket foundations for a tension leg platform in the Bohai Bay, China. The target lateral loadings were from ice-sheet-induced structural vibrations at a frequency of 0.8-1.0 Hz. The results indicate that excess pore water pressures reach the highest values within a depth of 1.0-1.5 m below the mud line. The pore pressures and the induced settlement and lateral displacement increase with the amplitude of the cyclic loading. Two failure modes were observed: liquefaction in early excitations and settlement-induced problems after long-term excitations.
机译：本文介绍了一系列离心模型试验的结果，以研究中国渤海湾张力腿平台的吸水桶基础的行为。目标横向载荷来自冰盖引起的结构振动，频率为0.8-1.0 Hz。结果表明，多余的孔隙水压力在泥线以下1.0-1.5 m的深度达到最高值。孔隙压力以及引起的沉降和横向位移随循环荷载的幅度而增加。观察到两种失效模式：早期激发中的液化和长期激发后沉降引起的问题。

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