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中文摘要：
针对饱和密砂地基，采用位移控制方式，分别进行了单向水平位移和双向水平循环位移加载下刚性单桩基础的离心模型实验。实验表明：桩端反力随位移荷载循环次数的增加而增加，10次循环后，桩端反力逐渐趋于稳定；桩身弯矩与桩端反力基本呈线性变化，最大弯矩出现在1/3埋深附近；随着水平位移和循环次数的增加，桩体转动中心最终稳定在2/3埋深附近。
英文摘要：
Centrifuge model tests for single pile buried in saturated dense sand were carried out to investigate the behavior of pile foundation subjected to unidirectional and bidirectional cyclic lateral displacement loadings separately .The results indicate that the reaction force rises with cycles of lateral displacement loading , and it becomes stable after 10 cycles gradually .The bending moment varies with the reaction force linearly ,and the biggest moment’ s position is at around 1/3 buried depth .With the increasing of lateral displacement and cycles ,the rotation center stables at around 2/3 buried depth .
同期刊论文项目
同项目期刊论文
Stiffness Degradation of Undisturbed Saturated Soft Clay in the Yangtze Estuary Under Complex Stress
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