Essays about: "slab tracks"

Showing result 1 - 5 of 7 essays containing the words slab tracks.

  1. 1. Evaluation and comparison of ballastless track systems with regards to system and performance characteristics

    University essay from KTH/Spårfordon

    Author : Willand Björkquist; Ismayil Janjua; [2020]
    Keywords : ;

    Abstract : As axle loads and speeds constantly increase in rail transport, new track systems are being developed. One such development is the ballastless track system. READ MORE

  3. 2. Railway bridges with floating slab track systems : Numerical modelling of rail stresses - Dependence on properties of floating slab mats

    University essay from Luleå tekniska universitet/Byggkonstruktion och -produktion

    Author : Daniel Kostet; [2018]
    Keywords : ballasted track; bridge; elastic mat; expansion; finite element method FEM ; finite element analysis FEA ; floating slab mat; interaction; International union of railways UIC ; non-ballasted track; SOFiSTiK; ballasterat spår; ballastfritt spår; bro; dilatationsfogar; finita elementmetoden FEM ; finit elementanalys FEA ; fixerat spår; interaktion; Internationella järnvägsunionen UIC ; SOFiSTiK; vibrationer; vibrationsdämpande matta;

    Abstract : The increased use of continuously welded rails in the railway systems makes it necessary to increase the control of the rail stresses to avoid instability and damages of the rails. Large stresses are especially prone to appear at discontinuities in the railway systems, such as bridges, due to the interaction between the track and the bridge. READ MORE

  4. 3. Soil-structure interaction for traffic induced vibrations in buildings

    University essay from KTH/Bro- och stålbyggnad

    Author : Marcel Hofstetter; Nima Pashai; [2018]
    Keywords : Soil-Structure Interaction; Frequency Response Function; Traffic-Induced Vibrations; Structural Dynamics; Signal Processing; Calibration; Jord-strukturinverkan; Frekvenssvarsfunktion; Trafikinducerade Vibrationer; Strukturdynamik; Signalbearbetning; Kalibrering;

    Abstract : Major cities in Sweden experience a population growth, demanding innovative solutions regarding land exploitation for residential housing. One solution is to build closer to existing railway tracks, however difficulties arise regarding determining traffic induced vibrations from trains. READ MORE

  5. 4. Discrete Element Modelling of the Unbound Layer for Slab Tracks on High Embankment

    University essay from KTH/Jord- och bergmekanik

    Author : Karima Ghyate Forsberg; Rogin Ramak; [2016]
    Keywords : Slab track; unbound layer; discrete element modelling; deformation; embankment height; friction;

    Abstract : According to Swedish guidelines for high speed railways on embankment, the total settlement is limited to 20 mm over a track length of 10 m during the construction service life. The main objective of this thesis was to investigate the deformation in the subgrade (unbound layer) in a slab track, since there are very few studies related to high speed railways on high earth structure, discussing particularly the unbound layer. READ MORE

  6. 5. High-speed railway embankments : a comparison of different regulation

    University essay from KTH/Jord- och bergmekanik

    Author : Angelica Alamaa; [2016]
    Keywords : High-speed; railway; embankments;

    Abstract : Swedish transport administration initiated this Master Thesis project and the aim was to compare regulations for the design of high-speed railways from three European countries: France, Germany and Spain. The reason why this is of interest for the Swedish transport administration is the design of the first Swedish high-speed railway, called Ostlänken. READ MORE