Rocking vibrations of a rigid embedded foundation in a poroelastic soil layer

被引：12
|
作者：
Hu, X. Q. [1 ]
Cai, Y. Q. [1 ,2 ]
Wang, J. [1 ]
Ding, G. Y. [1 ]
机构：
[1] Wenzhou Univ, Coll Architecture & Civil Engn, Wenzhou 325035, Peoples R China
[2] MOE Key Lab Soft Soils ond Geoenvironm Engn, Hangzhou 310058, Zhejiang, Peoples R China
来源：
SOIL DYNAMICS AND EARTHQUAKE ENGINEERING | 2010年 / 30卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Poroelasticity; Dynamic soil-structure interaction; Embedded foundation; Layered soil; HALF-SPACE;
D O I：
10.1016/j.soildyn.2009.09.007
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
An approximate analytical method is presented for the dynamic response of a rigid cylindrical foundation embedded in a poroelastic soil layer under the excitation of a time-harmonic rocking moment. The soil underlying the foundation base is represented by a single-layered poroelastic soil based on rigid bedrock while the soil along the side of the foundation is modeled as an independent poroelastic Stratum composed of a series of infinitesimally thin layers. The accuracy of the present solution is verified by comparisons with existing solutions obtained from other researchers. Numerical results for the rocking dynamic impedance and dynamic response factor are presented to demonstrate the influence of nondimensional frequency of excitation, poroelastic soil layer thickness, depth ratio of the foundation and internal friction of the poroelastic soil. (C) 2009 Elsevier Ltd. All rights reserved
引用
收藏
页码：280 / 284
页数：5
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