Dynamic response of single pile embedded in half-space saturated soil subjected to Rayleigh waves
Dynamic response of single pile embedded in half-space saturated soil subjected to Rayleigh waves
复制标题
DOI：
--
复制
发表时间：
2008
期刊：
影响因子：
--
通讯作者：
Nie Wei-dong
中科院分区：
文献类型：
--
作者：
Nie Wei-dong
研究了瑞利波作用下半空间饱和土中单桩的频域响应，基于虚拟桩法，将土-桩相互作用问题简化为扩展多孔半空间和虚拟桩的叠加问题，扩展多孔半空间采用毕奥理论描述，而虚拟桩则用杆梁振动理论处理，由基本解建立了桩的第二类Fredholm积分方程，通过对积分方程的数值求解，得到了桩土系统的动力响应，结果表明，渗透性、弹性模量桩土弹性模量比和入射波频率对土-桩体系动力响应影响显著。
The frequency domain response of single pile embedded in half-space saturated soil and subjected to Rayleigh waves was investigated.Based on the fictitious pile methodology,the original soil-pile interaction problem was reduced to the superposition of an extended porous half space and a fictitious pile.The extended porous half space was described by Biot’s theory,while the fictitious pile was treated by the bar and beam vibration theory.The second kind of Fredholm integral equation for the pile was established in terms of the fundamental solution,the compatibility conditions and the free wave field.The dynamic response of the soil-pile system was yielded by numerical solution of the integral equation.It was shown that the influences of the permeability,the pile-soil elastic modulus ratio and the frequency of the incident waves on the dynamic response of the soil-pile system were significant.