3D analysis of vibration isolation using wave impeding block in layered and vertical heterogeneous foundation under horizontal-rocking coupled excitation

GAO Guang-yun; ZHANG Bo; LI Wei

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3D analysis of vibration isolation using wave impeding block in layered and vertical heterogeneous foundation under horizontal-rocking coupled excitation

更新时间：2026-06-25

- 3D analysis of vibration isolation using wave impeding block in layered and vertical heterogeneous foundation under horizontal-rocking coupled excitation
- Vol. 33, Issue 2, (2012)
- 作者机构：
  
  1. 同济大学岩土与地下工程教育部重点实验室,上海,200092
  2. 上海申元岩土工程有限公司,上海,200011
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU435
- Online First：14 February 2012，
  
  Published：2012
- 稿件说明：
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GAO Guang-yun, ZHANG Bo, LI Wei. 3D analysis of vibration isolation using wave impeding block in layered and vertical heterogeneous foundation under horizontal-rocking coupled excitation[J]. 2012, 33(2).
DOI：

GAO Guang-yun, ZHANG Bo, LI Wei. 3D analysis of vibration isolation using wave impeding block in layered and vertical heterogeneous foundation under horizontal-rocking coupled excitation[J]. 2012, 33(2). DOI：

摘要

为了研究水平-摇摆耦合激振作用下层状和竖向非均匀地基波阻板（简称WIB）的三维隔振效果，基于薄层法研究层状介质中波传播问题的高效性和边界元法处理无限域问题的精确性，建立了以薄层法基本解答为格林函数的半解析边界元法。分别对上软下硬和上硬下软层状和竖向非均匀地基中WIB的三维隔振效果进行了分析。研究表明，地基的分层参数和非均匀性对WIB的隔振效果有显著影响，上硬下软地基的隔振效果稍好于上软下硬的情况。

Abstract

In order to study the three-dimensional (3D) isolation vibration effectiveness of wave impeding block (WIB) in layered and vertical heterogeneous foundation under horizontal-rocking coupled excitation

a 3D semi-analytical boundary element method (BEM) model based on thin-layered method (TLM) efficiently to study the wave propagation in layered ground and BEM precisely to solve infinite domain problems is presented. The analysis is accomplished with this model

on which the Green’s function is regarded as fundamental solution of a stratified half-space. Then the active isolation effectiveness of WIB is studied in layered and vertical heterogeneous foundation. The results show that the stratification parameter and the heterogeneity have significant influence on the vibration isolation effect of WIB

and the isolation vibration effectiveness of the upper stiff-layer and lower soft-layer ground is better than it of the upper soft-layer and lower stiff-layer ground.

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