Railway Track Deterioration Models: A Review of the State of the Art

IF 4.9 2区 工程技术 Q1 ENGINEERING, CIVIL Transportation Geotechnics Pub Date : 2024-09-19 DOI:10.1016/j.trgeo.2024.101377
Georgios Rempelos , Giacomo Ognibene , Louis Le Pen , Simon Blainey , John Preston , William Powrie
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Abstract

There has been a railway renaissance in Britain since the 1990s, with passenger kilometres approximately doubling between 1990 and 2019. Despite changing habits caused by the COVID-19 pandemic, the latest data show that passenger journeys are almost back to their 2019 levels. Without building new lines (HS2 being not yet open and recently downgraded in scope), increased use has led to increased rates of infrastructure deterioration and a need for more maintenance and renewal to create the capacity on the aged existing railway network to meet this demand. Against this background, there have been on-going efforts in the field of railway track deterioration modelling to limit component failures and prolong the remaining useful life of the infrastructure. Analysis and modelling techniques have become increasingly detailed owing to advances in real-time data-acquisition and computational methods and the emergence of ‘big data’ approaches to interpretation. However, previous studies have generally merely confirmed the complexity of modelling track deterioration. There are few if any systematic reviews of deterioration models aimed at informing infrastructure managers (IM) from a whole-life asset management perspective. This paper addresses this knowledge gap by building on previous research to present a systematic taxonomy of track deterioration models, and proposing a hierarchical classification based on level of detail and functionality.
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铁轨老化模型:最新技术综述
自 20 世纪 90 年代以来,英国铁路实现了复兴,1990 年至 2019 年间客运里程增长了约一倍。尽管 COVID-19 大流行导致人们的出行习惯发生了改变,但最新数据显示,乘客出行量几乎恢复到了 2019 年的水平。在不建设新线路的情况下(HS2 尚未开通,且最近已缩小了范围),使用量的增加导致基础设施的损坏率上升,需要进行更多的维护和更新,以便在老化的现有铁路网络上创造运能,满足这一需求。在此背景下,铁路轨道老化建模领域一直在努力限制部件故障,延长基础设施的剩余使用寿命。由于实时数据采集和计算方法的进步以及 "大数据 "解释方法的出现,分析和建模技术变得越来越详细。然而,以往的研究通常只是证实了轨道老化建模的复杂性。从全寿命资产管理的角度出发,对旨在为基础设施管理者(IM)提供信息的老化模型进行系统性回顾的研究少之又少。本文在以往研究的基础上,提出了轨道老化模型的系统分类法,并根据详细程度和功能提出了分层分类法,从而弥补了这一知识空白。
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来源期刊
Transportation Geotechnics
Transportation Geotechnics Social Sciences-Transportation
CiteScore
8.10
自引率
11.30%
发文量
194
审稿时长
51 days
期刊介绍: Transportation Geotechnics is a journal dedicated to publishing high-quality, theoretical, and applied papers that cover all facets of geotechnics for transportation infrastructure such as roads, highways, railways, underground railways, airfields, and waterways. The journal places a special emphasis on case studies that present original work relevant to the sustainable construction of transportation infrastructure. The scope of topics it addresses includes the geotechnical properties of geomaterials for sustainable and rational design and construction, the behavior of compacted and stabilized geomaterials, the use of geosynthetics and reinforcement in constructed layers and interlayers, ground improvement and slope stability for transportation infrastructures, compaction technology and management, maintenance technology, the impact of climate, embankments for highways and high-speed trains, transition zones, dredging, underwater geotechnics for infrastructure purposes, and the modeling of multi-layered structures and supporting ground under dynamic and repeated loads.
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