The effect of embankment on high speed rail ground vibrations

被引：62

作者：

Olivier, Bryan ^{[1
]}

Connolly, David P. ^{[2
]}

Costa, Pedro Alves ^{[3
]}

Kouroussis, Georges ^{[1
]}

机构：

[1] Univ Mons UMONS, Dept Theoret Mech Dynam & Vibrat, Fac Engn, Pl Parc 20, B-7000 Mons, Belgium

[2] Heriot Watt Univ, Inst Infrastruct & Environm, Sch Built Environm, Edinburgh, Midlothian, Scotland

[3] Univ Porto, Fac Engn, Oporto, Portugal

来源：

INTERNATIONAL JOURNAL OF RAIL TRANSPORTATION | 2016年 / 4卷 / 04期

关键词：

High speed rail; railway ground vibrations; track embankment; critical speed; environmental impact assessment;

D O I：

10.1080/23248378.2016.1220844

中图分类号：

U [交通运输];

学科分类号：

08 ; 0823 ;

摘要：

This paper presents the numerical prediction of ground vibration levels on embankmented high speed rail lines. First, a campaign of field tests is described, focused on the three-dimensional (3D) monitoring of ground vibration on at-grade and embankmented tracks. Next, a finite element (FE) model is developed to study the detailed earthwork geometries. The model is validated and then used to investigate the effect of embankment stiffness on ground vibration levels both within and at distance from the track-embankment structure. It is found that ground vibration levels are sensitive to embankment stiffness, with stiffer embankments resulting in greatly reduced vibration levels. Further, it is found that in general, well constructed embankmented tracks generate lower levels of ground vibration in comparison to at-grade lines.

引用

页码：229 / 246

页数：18

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