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本文利用模态迭加法求得了夹支圆板在非轴对称的横向集中阶跃荷载作用下动态响应的精确解,所得的解用Fourier—Bessel级数表示。轴对称荷载作用下的解仅是该解的特例。文中还给出了夹支圆饭在非对称荷载作用下板上一些典型点的挠度随时间变化的实例计算曲线,这些曲线具有良好的规律性。 相似文献
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In this paper, the driving forces at a pile top are considerea as a periodic load during driving and the Mathieu equation is derived. From the stability charts of this equation, we can obtain the critical length of the pile, and the effect of skin friction upon the critical length is discussed. 相似文献
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