Sökning: "Railway"
Visar resultat 6 - 10 av 455 avhandlingar innehållade ordet Railway.
6. On the Directivity of Railway Noise Sources
Sammanfattning : This dissertation deals with the directivity of railway noise. The directivity of railway noise is of particular importance when we have high-rise buildings close to the track, tunnel openings, partial barriers, or when we calculate the maximum sound pressure level during a pass-by based on the sound power level of the different sub-sources of a train. LÄS MER
7. Män i staten : stationskarlar och brevbärare i statens tjänst, 1897-1937
Sammanfattning : The employer, the state, long had the right to unilaterally set wages and determine working conditions. The goverment employees lacked the right to negotiate and sign agreements and to strike. This dissertation focuses on government employees, analyzing their identity and the strategies they chose to deal with their relationship to their employer. LÄS MER
8. Railway Infrastructure Robustness : Attributes, evaluation, assurance and improvement
Sammanfattning : According to the European program Horizon 2020, multifaceted challenges in transportinfrastructure include 1) making infrastructure more resilient to keep pace with the increasing mobility needs; 2) reducing the impact of infrastructure on the environment;and 3) dealing with declining resources to maintain and upgrade transport infrastructure. New design and maintenance approaches must be developed to handle these issues, ascurrent methods are inadequate. LÄS MER
9. Railway capacity analysis : Methods for simulation and evaluation of timetables, delays and infrastructure
Sammanfattning : In this thesis the symptoms and underlying behaviour of congestion on railways are analysed and discussed. As well as in many other countries, Sweden faces increasing demand for transportation. To meet this new demand, railways play an important role. LÄS MER
10. Exploring the Railway System from a Risk Governance Perspective
Sammanfattning : In recent decades, the Swedish railway system has faced substantial deregulations. As a result, management of risk is often carried out in settings involving multiple stakeholders having various roles, mandates, and viewpoints on risk, and where no single stakeholder has the superior authority. LÄS MER