Response of stiff piles to random two-way lateral loading
Response of stiff piles to random two-way lateral loading
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DOI：
10.1680/geot.09.t.011
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发表时间：
2010-08
期刊：
影响因子：
5.8
通讯作者：
C. Leblanc;B. Byrne;G. Houlsby
中科院分区：
文献类型：
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作者：
C. Leblanc;B. Byrne;G. Houlsby
本文提出了一个双向随机荷载作用下刚性桩累积转动的预测模型。该模型是基于一个应变叠加规则类似Miner的规则，并使用一个随机的时间序列分解成一组简单的负载反转计数。该方法与LeBlanc等人（2010）的工作一致，并得到了1g实验室试验的支持。给出了海上风力涡轮机的一个例子，表明在涡轮机的寿命期间累积的桩旋转由最坏的预期负载主导。
A model for predicting the accumulated rotation of stiff piles under random two-way loading is presented. The model is based on a strain superposition rule similar to Miner's rule and uses rainflow-counting to decompose a random time-series of varying loads into a set of simple load reversals. The method is consistent with the work of LeBlanc et al. (2010) and is supported by 1g laboratory tests. An example is given for an offshore wind turbine indicating that accumulated pile rotation during the life of the turbine is dominated by the worst expected load.