Essays about: "Ballastless track"

Showing result 1 - 5 of 10 essays containing the words Ballastless track.

  1. 1. Numerical modelling of high-speed railway transition zone

    University essay from KTH/Jord- och bergmekanik

    Author : Karl Norberg; [2022]
    Keywords : Railway geotechnics; Bridge; Ballastless track; Transition zone; High-speed railway; Finite element method; Track stiffness;

    Abstract : Transition zones are changes in the track structure, detected by an abrupt deviationin track stiffness and/or differential settlements. One inevitable transition zone is thebridge approach. This study has investigated in this transition zone, adapted for highspeed,ballastless track. READ MORE

  3. 2. Simulation of railway infrastructure with asphalt layer for tracks in Sweden

    University essay from KTH/Byggvetenskap

    Author : Aleksandra Kuksova; [2020]
    Keywords : Ballasted track; bituminous mixture; bituminous sub-ballast; temperature; railway track modelling; finite element analysis. v;

    Abstract : With the introduction of high-speed trains over the past few years, as well as withan increase in traffic loads and volumes, the attractiveness and competitiveness ofthe railway transport system have increased. This leads to the need to develop newcost-effective ways in railway construction, providing an increase in the life cycle ofthe railway track and reducing the need for maintenance. READ MORE

  4. 3. 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

  5. 4. Decision-making model for track system of high-speed rail lines : Ballasted track, ballastless track or both?

    University essay from KTH/Byggvetenskap

    Author : Veronika Sárik; [2018]
    Keywords : ;

    Abstract : During the 50 years of existence of high speed railways, the track structure solutions have developed both in number and in type. As of today, in case of conventional railway, there are 2 main types one could mention: ballasted and ballastless track solutions. READ MORE

  6. 5. Comparison of ballasted and ballastless bridges for high speed trains

    University essay from KTH/Bro- och stålbyggnad

    Author : David Matos Sánchez; Maša Nikolic; [2016]
    Keywords : High-speed train; concrete bridge; beam bridge; dynamic; 3D dynamic;

    Abstract : The purpose of the project is to investigate the difference in performance between ballasted and ballastless railway bridges dedicated to high speed trains by taking into account both static and dynamic requirements. The main questions are: a) whether choosing a ballastless bridge results in a more slender section due to the lower self-weight b) if the design of bridges for high speed trains is governed by the static or by the dynamic requirements. READ MORE