Sökning: "State railways"
Visar resultat 16 - 20 av 20 avhandlingar innehållade orden State railways.
16. Management of condition information from railway punctuality perspectives
Sammanfattning : Due to the increasing need for transportation and environmental concerns, there is a social and political will to transfer transportation services from roads to rail. The increasing demand for railway transportation services has a significant effect on important stakeholder requirements, such as safety, punctuality, dependability, sustainability and costs. LÄS MER
17. Efficiency Implications of Innovations in Administering TransportInfrastructure
Sammanfattning : This dissertation is concerned with issues directly and indirectly associated with reform of the way that transport infrastructure is managed. It consists of four separate papers. The dissertation summary also provides a unified framework for the otherwise self-contained papers. In abstract, the papers have the following content. LÄS MER
18. RAMS and LCC in rail track maintenance
Sammanfattning : Railway infrastructure is a complex system. An important aspect of the rail infrastructure is that the assets have a long useful life. So once installed, it is very difficult to modify the initial design. Thus, the performance of the infrastructure depends on the maintenance and renewal decisions taken during its life cycle. LÄS MER
19. Data-driven models for railway track geometry maintenance
Sammanfattning : Railways are currently experiencing higher demands on safety, infrastructure performance, network capacity and service quality, etc. As a result, a high level of track availability, service quality and infrastructure robustness against unexpected events is required, at reduced cost, to meet the demands. LÄS MER
20. Timber Pile-Supported Embankments : Arching and Reinforcement
Sammanfattning : Reduced climate impact is a worldwide strive today. The foundation engineering industry is continuously searching for more sustainable solutions to reduce resource usage and pollutions directly or indirectly. One such solution is timber piling, as an alternative to the commonly used concrete and steel piles. LÄS MER