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Statistics of horizontal dynamic impedances of single and group piles in layered soil
Author(s): 
Pages: 582-586
Year: Issue:  5
Journal: CHINESE JOURNAL OF GEOTECHNICAL ENGINEERING

Keyword:  动力阻抗桩-土动力相互作用随机场随机有限元;
Abstract: 基于Winkler地基梁模型,提出了计算分层土中单桩动力阻抗的有限元方法.假设土的弹性模量为随机场,利用Neumann随机有限元法得到了单桩水平动力阻抗的统计特性.在分析了动力相互作用因子的统计特性后,推导了群桩的水平动力阻抗的统计表达式.最后通过算例分析,得到了一些有意义的结论.
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