Rocking Response of a Surface-Supported Strip Foundation Under a Harmonic Swaying Force

摘要：

　　This paper presents an accurate analytical method to obtain the rocking impedance function of a surface-supported strip foundation.The Greens functions of the elastic half-space under concentrated or uniform loads with infinite length are derived and an elaborate integration method is used to calculate the multi-value improper integral.The interface between the foundation and the supporting medium is divided into a number of strip units.The rocking impedance function is solved by adding the moments in every strip, based on the fact that the vertical displacement of each unit can be uniquely determined by the rotation amplitude of the rigid foundation.Excellent convergence has been observed.Comparing the numerical results to those obtained by the thin layer method, good agreements are achieved.Finally, the effect of the Poissons ratio on the rocking impedance function of the strip foundation is discussed in detail.

关键词： Soil-Structure Interaction Impedance Function Greens Function Analytical Solution

作者: Jue Wang Ding Zhou Weiqing Liu Shuguang Wang

作者单位: College of Civil Engineering,Nanjing University of Technology,Nanjing,China

会议类型: 国际会议

会议名称: the 2012 International Conference on Vibration, Structural Engineering and Measurement (2012年振动、结构工程与测量国际会议(ICVSEM2012))

会议地点: 上海

会议语种:英文

页码: 1453-1457

在线出版日期: 2012-10-19（万方平台首次上网日期，不代表论文的发表时间）