GROUND VIBRATION IN THE VICINITY OF A STRIP LOAD - AN ELASTIC LAYER ON A RIGID FOUNDATION

被引：17
|
作者：
JONES, DV [1 ]
PETYT, M [1 ]
机构：
[1] UNIV SOUTHAMPTON,INST SOUND & VIBRAT RES,SOUTHAMPTON SO9 5NH,HANTS,ENGLAND
来源：
JOURNAL OF SOUND AND VIBRATION | 1992年 / 152卷 / 03期
关键词：
D O I：
10.1016/0022-460X(92)90483-E
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
The transmission of vibrations in the near field of the surface of the ground is investigated theoretically. The mathematical model is two-dimensional, and the interior of the ground is modelled as an elastic layer overlying a rigid foundation (or "bedrock"). The work is divided into two parts: first, an analysis of the natural modes of free vibration in the layer; and, secondly, the forced response of the layer, for which the surface is assumed to be subjected to a harmonic load acting on a strip of finite width. The solution for the second part is obtained by using a dynamic stiffness matrix analysis. Results presented include the natural mode shapes of free vibration in the layer, attenuation of surface vibration as a function of distance from the load, and the effect on displacement at the centre of the load of varying the load width. © 1992.
引用
收藏
页码：501 / 515
页数：15
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