Abatement of railway induced vibrations: Numerical comparison of trench solutions

被引：24
作者：
Barbosa, Joao [1 ]
Costa, Pedro Alves [1 ]
Calcada, Rui [1 ]
机构：
[1] Univ Porto, Fac Engn, P-4200465 Oporto, Portugal
来源：
ENGINEERING ANALYSIS WITH BOUNDARY ELEMENTS | 2015年 / 55卷
关键词：
INDUCED GROUND VIBRATIONS; TRAIN-INDUCED VIBRATIONS; THIN-LAYER METHOD; ELASTODYNAMIC PROBLEMS; GREENS-FUNCTIONS; WAVE BARRIERS; FILLED TRENCHES; BORNE NOISE; REDUCTION; TRACK;
D O I：
10.1016/j.enganabound.2014.11.029
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper studies the efficiency of trenches constructed alongside a railway track as mitigation measures for vibrations induced by moving trains. A two-and-a-half-dimensional coupled boundary element-finite element methodology (2.5D BEM-FEM) is used, and the BEM is nurtured with fundamental solutions obtained through the thin-layer method. The procedure for the calculation of the fundamental solutions represents the main difference between this approach and similar methodologies used in the previous works. The conditions at an existing and operational stretch of the Portuguese Railway Network are assumed as the scenario for the investigations in which the behaviors of open, concrete filled and geofoam filled trenches are analyzed for the passage of an Alfa Pendular train. (C) 2014 Elsevier Ltd. All rights reserved.
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收藏
页码：122 / 139
页数：18
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