Search for dissertations about: "Railway track stiffness"
Showing result 1 - 5 of 25 swedish dissertations containing the words Railway track stiffness.
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1. 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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2. 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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3. Insight Into Subsoil Condition Using Railway Track Alignment Measurements
Abstract : .... READ MORE
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4. Wheel–Rail Impact Loads and Track Settlement in Railway Crossings
Abstract : Turnouts (Switches & Crossings, S&C) are critical components of a railway track requiring regular maintenance and generating high life cycle costs. A main driver for the high maintenance costs is the need to repair and replace switch rails and crossings as these components are subjected to a severe load environment. READ MORE
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5. Simulation of vertical dynamic interaction between railway vehicle and slab track
Abstract : The usage of slab track for high-speed railway lines has increased in recent decades. In Sweden, the building of new railway lines for higher speed and the selection of track design for such lines are currently being debated. READ MORE