Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 24 for “"Railway infrastructure"”.
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Assessing natural risks for railway infrastructure and transportation in Austria
… other important sectors, such as the transport infrastructure sector, are widely neglected. However, transport infrastructure considerably contributes to economic and societal welfare, e.g. by ensuring mobility of people and goods. In Austria, for example, the national railway network is …
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Under ballast mats for railway infrastructure–a North American approach to component characterization
… look for ways to extend the life of their track infrastructure and its components given poor track performance can lead to reduced transportation efficiencies. As such, under ballast mat (UBM) applications have seen growth in the North American (N.A.) freight railroad transportation market. …
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Design and control of resilient interconnected microgrids for reliable mass transit systems
… of mass transit rely on a fuel, electrified railway systems are dependent on the electric grid. The electric grid is becoming more vulnerable to disruptions, due to extreme weather, changing supply and demand patterns, and cyber-terrorism. An interruption to the energy supply of a railway …
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Simulations of mixed use rail corridors: how infrastructure affects interactions among train types
… widespread interest in use of existing freight railway infrastructure to provide higher-speed passenger rail service. The growth in these two types of traffic, both alone, and particularly in combination, is increasingly straining the capacity of the rail network. In many locations, new railway …
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Development of innovative approaches for life extension of railway track systems
… and the practical application of processes for railway track asset management in the UK between 2004 and 2013 and the subsequent development of innovative solutions. There are two major sections to the portfolio; firstly the background, literature review and development phases; and secondly two …
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Outsourcing transportation infrastructure maintenance : a theoretical approach with application to JR East
… the same time by implementing these strategies. Railway infrastructure maintenance is not outsourced as much as highway maintenance in the US. However, a theoretical discussion about outsourcing and contracting shows that railway track maintenance can be outsourced to enhance operating …
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Revenue Management in the railway industry in Japan and Portugal : a stakeholder approach
… thesis deals with the application of RM to the railway industry. The railway is considered the most energy-efficient mode of transportation, and its role has become increasingly important around the world with ever growing concerns about the global energy crisis and climate change. Implementing …
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The use of life cycle cost analysis in determining the cost effectiveness of railway lines' design and maintenance options for railway lines through windblown sandy desert in Namibia: Case study of the Aus - Luderitz railway line
Railway transport in Namibia is one of the most important mode of transport with great importance to the economy of the country. Currently, road networks are the most important because of the low population density of the nation. However, railway lines have been reported to be the most economical, …
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Field test program of the concrete crosstie and fastening system
… satisfy the demands placed on North America’s railway infrastructure through ever increasing freight tonnages and development of its high speed rail program, the design and performance of concrete crossties and elastic fastening systems must be upgraded. As a part of a study aimed at improving …
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The Role of Rail Transport to the Port Performance: A Case of Dar es Salaam Port.
… to port performance, the situation of railway transport is in a poor state. It is noted that, the government have invested mainly in road infrastructure improvement, while neglecting railways. The responsible factors for this decline includes lack of efficient rail system, low capacity …
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Characterization of the loading environment for shared-use railway superstructure in North America
… rail, is placing an increasing demand on railway infrastructure. Some of the most critical areas of the infrastructure in need of further research are track components used in high speed passenger, heavy haul, and shared infrastructure applications. In North America, many design guidelines …
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Vibration Energy Harvesting for the Development of autonomous monitoring Systems. Application to railway Bridges
… source for autonomous monitoring systems in railway infrastructure. The research focuses on the modelling, optimisation, and validation of piezoelectric (PEH) and magnetoelastic (MEH) energy harvesters, with particular emphasis on their application to railway bridges. Analytical …
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Wilderness Nation: Building Canada's Railway Landscapes, 1885-1929
… This thesis explores the Canadian Pacific Railway Company's use of architecture, landscape, and spatial techniques to construct Canadian concepts of wilderness during a crucial period of national expansion, economic growth, and cultural development. In alignment with federal projects of …
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The mechanics of abrasion on concrete crosstie rail seats
… and cumulative freight tonnages on heavy haul railways, as well as increased interest in high and higher-speed passenger rail development, is placing an increasing demand on railway infrastructure and its components. Several failure mechanisms are limiting the service life of track components …
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Analyzing the future architecture of high-speed railway maintenance in Japan
Most of Japan's railway infrastructure is decades old and requires efficient maintenance. However, pursuing efficiency is not easy because of strict safety requirements and many stakeholders that need to be considered. This study uses the ARIES framework to discuss the strategies that Japanese …
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Urbanism across: new urban ground in Taipei's old city core
… construction project that relocates Taipei's railway infrastructure under the ground. This project initiates the new construction of metro systems and total two-kilometer-long underground passageways, which accommodates the commercial and public activities originally existing on the ground …
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Towards urban multilingualism: investigating the linguistic landscape of the public rail transport system in the Western Cape
… signage displayed on trains,stations and other railway infrastructure. Thus, data was collected over a three-month period during 2010 which coincided with the FIFA Soccer World Cup, hosted by South Africa. A combined quantitative and qualitative approach for the analysis of data was supplemented …
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A Wavelet-Based Rail Surface Defect Prediction and Detection Algorithm
… derailments and costly damage to the train and railway infrastructure. A rail surface flaw can quickly propagate from a small fracture to a broken rail after only a few train cars have passed over it. Rail defect detection is typically performed by using an instrumented car or a separate railway …
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Risk-based bridge asset management
Bridges, critical components of a nation’s infrastructure network, are vulnerable to deterioration from aging, fatigue, and external events like earthquakes or impacts. These challenges, coupled with limited maintenance resources, create the need for efficient and expeditious predictive maintenance …
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Threads of connectivity: Placemaking as a catalyst for bridging the infrastructure divide along the Voortrekker corridor
… What is the relationship between materials? Infrastructure systems play a vital role in cities, distributing resources throughout the city to ensure its functionality and continuous development. In the book Points + Lines, Stan Allen describes urban infrastructure as artificial ecologies …
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