QATAR UNIVERSITY COLLEGE OF ENGINEERING DISCRETE ELEMENT MODELING OF RAILROAD BALLAST UNDER SIMULATED TRAIN LOADING BY YAHIA ABDULNASER ALABBASI A Thesis Submitted to the Faculty of the College of Engineering in Partial Fulfillment of the Requirements for the Degree of Masters of Science in Civil Engineering June 2019 © 2019. Yahia Abdulnaser Alabbasi. All Rights Reserved.
DISCRETE ELEMENT MODELING OF RAILROAD BALLAST UNDER SIMULATED TRAIN LOADING
Jun 09, 2023
Ballasted tracks have been widely used in many countries around the world. Ballast layer is the main element in ballasted track. After service, ballast aggregates degrade and deform. Periodical maintenance for ballast layer is required; which is a cost and time expensive activity. Researchers used numerical approaches to understand the behavior of railroad ballast that leads to efficient design and maintenance.
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A railway track is considered as the basic element of railway infrastructure. A railway track is the supporting platform that transforms the trains’
loads from track superstructure to track substructure. Trains run on different railway
track systems; ballasted and ballast less (e.g. slab and embedded track) systems. The
ballasted tracks have the majority usage in the world as they were introduced with the
invention of railways and their low construction cost compared to new ballast
less tracks. B
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