Results 1 to 10 of about 551,389 (167)
Ballasted Track Status Evaluation Based on Apparent Track Stiffness Index
Applied Sciences (Switzerland), 2020 Currently, maintenance work for ballasted track is performed based on the Track Quality Index (TQI) without a fundamental cause investigation for track irregularity.
Yeong-Tae Choi, Sung Ho Hwang
exaly +4 more sources
Mechanical properties of foamed polyurethane solidified ballasted track
High-speed Railway, 2023 Foamed Polyurethane Solidified Ballasted Track (FPSBT), an innovative railway track, is formed by solidifying ballast bed with foamed polyurethane. Compared with the traditional Discrete Ballasted Track (DBT), FPSBT does not require regular maintenance ...
Luchao Qie
exaly +4 more sources
Investigation of the Influences of Track Superstructure Parameters on Ballasted Railway Track Design [PDF]
Civil Engineering Infrastructures Journal, 2015 The main design criteria of ballasted railway tracks include rail deflections, rail bending stresses, rail wheel contact stresses, sleeper bending moments and ballast sleeper contact pressures.
Javad Sadeghi +2 more
doaj +2 more sources
Wheel Flats in the Dynamic Behavior of Ballasted and Slab Railway Tracks
Applied Sciences, 2021 Wheel flats induce high-impact loads with relevance for the safety of the vehicle in operation as they can contribute to broken axles, hot axle boxes, and damaged rolling bearings and wheels. The high loads also induce damage in the track components such
Cecilia Vale
doaj +1 more source
Study on Representative Parameters of Reverse Engineering for Maintenance of Ballasted Tracks
Applied Sciences, 2022 Reverse engineering (RE) is a technology used to create three-dimensional (3D) models by scanning structures and can be used to examine the current condition of structures.
Suyeul Park, Seok Kim, Heechang Seo
doaj +1 more source
Study on Vertical Dynamic Characteristics of Composite Sleeper Ballasted Track in Tunnels [PDF]
MATEC Web of Conferences, 2019 In order to study the vertical dynamic characteristics of the composite sleeper ballasted track in tunnels, this paper establishes a dynamic model based on the finite element method, and compares the dynamic response of vehicle, wheel and rail systems ...
ZHAO Zhenhang +3 more
doaj +1 more source
Railway Engineering Science, 2023 Concrete slabs are widely used in modern railways to increase the inherent resilient quality of the tracks, provide safe and smooth rides, and reduce the maintenance frequency.
A. F. Esen +6 more
doaj +1 more source
Journal of the Mechanical Behavior of Materials, 2023 Due to subgrade-related concerns, the performance of Indonesia’s ballasted track continues to be significant impediments for the Indonesian railway stakeholders’ intention to increase the speed of passenger train operations.
Setiawan Dian M. +7 more
doaj +1 more source
Railway Engineering Science, 2023 The unsupported sleeper can change the load characteristics of ballast particles and thus affect the dynamic stability of a ballasted bed. In this work, a laboratory test was constructed on a ballasted track containing unsupported sleepers. The ballasted
Juzhen Liu +6 more
doaj +1 more source
The experimental validation of a numerical model for the receptance prediction [PDF]
MATEC Web of Conferences, 2019 The traditional ballasted track with wooden sleepers covers today most railway lines constructions, including the tracks of tram and metro or the industrial railway branching.
Zougari A., MartÍnez J.
doaj +1 more source