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工程力学  2015 

桩基主共振响应的动力学参数效应研究

DOI: 10.6052/j.issn.1000-4750.2014.04.S023, PP. 55-59

Keywords: 桩基,主共振,有效非线性系数,动力学参数,幅频响应

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Abstract:

为研究桩-土系统中各物理参数对桩基动力学特性的影响,基于建立的考虑土-结构相互作用效应的桩基动力学模型,对桩基的主共振响应进行了计算分析。进而,利用统计分析的方法研究了主要物理参数对动力响应有效非线性系数的影响,判定出具有显著影响效应的关键参数。最后,对比研究了关键及非关键参数对桩基主共振幅频响应的影响,验证了动力学参数效应分析的正确性和重要意义。

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