Effect of rock strength on the degradation of ballast equipped with under sleeper pad using discrete element method
Saeid Farsi,
Morteza Esmaeili,
Reza Naseri
Abstract:This study investigates the influence of Uniaxial Compressive Strength (UCS) of ballast rock cores and the Bedding Modulus of Under Sleeper Pads (USP-BM) on railway track deterioration, investigating key factors such as settlement and aggregate fragmentation through Discrete Element Method (DEM) simulations. These simulations encompass three scenarios representing different types of ballast aggregates: without a pad, with a soft pad, and with a hard pad, with rock cores categorized by UCS values into soft (159… Show more
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