Wheel–rail impact loads generated by discrete wheel tread irregularities may result in high dynamic bending stresses the wheelset axle, leading to a decrease component life and an elevated risk for fatigue failure. In this paper, versatile cost-efficient method simulate vertical interaction between railway track, accounting generic distributions shapes of damage, is presented. The (comprising t...

Purpose. The study is aimed at determining experimentally the values of parameters characterizing dynamic effect rolling stock on railway track, substantiating maximum permissible (limiting) values. Methodology. To investigate interaction between track and stock, devices to record various physical processes were installed experimental sections. in 8 sections along outer line. establish actual s...

We compared the following stretchers to identify the better and safer to immobilize a fallen rider on the track. The stretchers were: Northwall's Innovation Skidboard, Ferno's Scoop EXL65 and anonymous aluminium scoop stretcher. We performed tests on track with several repetitions on a 25 meters path including asphalt, curb, natural and synthetic grass, and gravel. The Dainese Company supplied ...

Railway transition zones between open track and rigid structures such as bridges and culverts often experience differential movements due to abrupt changes in track stiffness and complicated dynamic loading effects. Such conditions commonly lead to track geometry issues, consequently increasing the magnitude of impact loads at these areas. This in turn leads to excessive degradation of ballast ...

Car body acceleration is an important factor affecting track safety and ride comfort, which are two primary aspects of railway systems. Though track level is an important source of wagon body acceleration, no quantitative relation between them is available and the aim of this paper is to propose a method to address this issue. To do so, car body acceleration is determined using a 10 DOF simulat...

• Modelling of a ballastless track over an embankment-tunnel transition zone. Development hybrid methodology to simulate the degradation process track. Only 30% subgrade is contributing permanent deformation. Ballastless shows satisfactory long-term performance after 1 million loading cycles. Inclusion resilient mat under concrete slab reduces higher stresses at Railway zones are characterised ...

investigations on vibration behaviors of railway track systems were attempted in this research. this was made by conducting a comprehensive field investigation into the free vibration of track systems and response of tracks to train moving loads. in-situ modal analysis was used in a railway track field as an efficient method of investigating dynamic properties of railway track systems. natural ...