Experimental evaluation of the efficiency of trenches for the mitigation of train-induced vibrations

Garinei, Alberto; Risitano, Giacomo; Scappaticci, Lorenzo

doi:10.1016/j.trd.2014.08.016

Cited by 42 publications

(15 citation statements)

References 12 publications

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“…Mitigation measures can first be proposed for the track and the soil. Trenches and isolating screens were firstly suggested to isolate railway-induced vibration at high frequencies [120,[163][164][165]. The required depth is calculated in terms of the Rayleigh wavelength: a trench or a barrier is therefore invisible for long wavelength or low frequency vibration.…”

Section: Mitigation Of Feelable Vibrationmentioning

confidence: 99%

Modelling, simulation and evaluation of ground vibration caused by rail vehicles

Thompson

Kouroussis

Ntotsios

2019

Vehicle System Dynamics

136

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There is a great need to develop rail networks over long distances and within cities as more sustainable transport options. However, noise and vibration are seen as a negative environmental consequence. Compared with airborne noise, the related problem of ground vibration is much more complex. The properties of the ground vary significantly from one location to another. There is no common assessment criterion or measurement quantity and no equivalent to the noise maps. Ground-borne vibration is transmitted into buildings and perceived either as feelable whole-body vibration or as low frequency noise; it can also affect sensitive equipment but it is generally at a level that is too low to cause structural or cosmetic damage to buildings. A review is given of evaluation criteria for both feelable vibration and ground-borne noise, empirical and numerical prediction methods, the main vehicle and track parameters that can affect the vibration levels and a range of possible mitigation methods.

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Section: Mitigation Of Feelable Vibrationmentioning

confidence: 99%

Modelling, simulation and evaluation of ground vibration caused by rail vehicles

Thompson

Kouroussis

Ntotsios

2019

Vehicle System Dynamics

136

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“…Email address: georges.kouroussis@umons.ac.be (Georges Kouroussis 1 ) wave barrier (Garinei et al, 2014)). Furthermore, for high-speed trains (Degrande and Schillemans, 2001;Galvín and Domínguez, 2009;Costa et al, 2010;Connolly et al, 2015), research is currently motivated by the so-called "supercritical phenomenon" which occurs when the vehicle speed is close to the Rayleigh ground wave speed.…”

Section: Ormentioning

confidence: 99%

The effect of railway local irregularities on ground vibration

Kouroussis

Connolly

Alexandrou

et al. 2015

Transportation Research Part D: Transport and Environment

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“…Different types of the grounds, i.e., homogeneous grounds [24,25] and nonhomogeneous grounds [11,26], have been analysed. More recently, high-speed railways have attracted a lot of attention, and several studies have been conducted to investigate the use of trenches as vibrating attenuating barriers for the mitigation of vibrations [27,28].…”

Section: Introductionmentioning

confidence: 99%

Vibration Induced by Subway Trains: Open‐Trench Mitigation Analysis in the Time and Frequency Domains

Yang

Yuan

Wang

2018

Shock and Vibration

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In this paper, we analyse the mitigation effects of open trenches on the vibrations induced by subway trains. The study is performed by using both physical model tests and numerical simulations. The effectiveness is evaluated by calculating the frequency response function (FRF) and the vibration acceleration peak (VAP) in both time and frequency domains. The experimental and numerical results demonstrate that the open trench has clear effects on the dynamic soil response. Both time and frequency domain results suggest that the dynamic response of the soils beyond the open trenches could be significantly affected, due to the existence of the open trench. According to the frequency domain analysis, the inclusion of open trenches could effectively reduce the soil response in a higher frequency range. Due to reflection effects at the boundaries of the trench, an amplification of the soil response in front of the open trench is observed. Parametric study by means of numerical simulations is also performed. The width of the open trench demonstrates negligible effects on the dynamic soil response, whilst the trench depth exhibits a large influence on the trench isolation performance. With an increase in the trench depth, the isolation performance is significantly improved. It is concluded that the open trenches perform well as an isolation barrier, in mitigating the vibration induced by subway trains.

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Experimental evaluation of the efficiency of trenches for the mitigation of train-induced vibrations

Cited by 42 publications

References 12 publications

Modelling, simulation and evaluation of ground vibration caused by rail vehicles

Modelling, simulation and evaluation of ground vibration caused by rail vehicles

The effect of railway local irregularities on ground vibration

Vibration Induced by Subway Trains: Open‐Trench Mitigation Analysis in the Time and Frequency Domains

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