Search for dissertations about: "track stiffness"
Showing result 1 - 5 of 32 swedish dissertations containing the words track stiffness.
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1. Dynamic track stiffness measurement : a new tool for condition monitoring of track substructure
Abstract : .... READ MORE
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2. Railway Track Stiffness : Dynamic Measurements and Evaluation for Efficient Maintenance
Abstract : Railway track stiffness (vertical track load divided by track deflection) is a basic parameter oftrack design which influences the bearing capacity, the dynamic behaviour of passing vehiclesand, in particular, track geometry quality and the life of track components. Track stiffness is abroad topic and in this thesis some aspects are treated comprehensively. READ MORE
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3. Dynamic train/track interaction : hanging sleepers, track stiffness variations and track settlement
Abstract : Trains have been operating on ballasted tracks for over 150 years. During this time demands from the railway organisations and from the industry to increase axle loads and train speeds on the existing railway lines have increased. The reasons for this are both economial and environmental. READ MORE
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4. Slab track optimisation considering dynamic train–track interaction
Abstract : Slab track is a type of railway track that is frequently used e.g. in high-speed applications as an alternative to ballasted track. Slab track is also well suited on bridges and in tunnels since no ballast is required and the cross-section of tunnels can be reduced. READ MORE
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5. Dynamic Train-Track Interaction: Linear and Non-Linear Track Models with Property Scatter
Abstract : A numerical method was developed to investigate the vertical dynamic behaviour of a railway track subjected to the loading of a moving train. The numerical simulations are carried out in the time-domain with what is known as a moving mass model. READ MORE