By the time you’ve laid and wired your track and installed your train and turnout control system, it’s easy to let ...

The evolution of particle breakdown in railway ballast – the crushed rock under railway tracks to absorb the weight of trains – has been modelled. Sun YiFei from the University of Wollongong led a ...

Pneumatic-tire rollers may not be the most visible machine on the asphalt or soil compaction job site, but they are more versatile than one might think, and manufacturers continue to offer units with ...

Figure 1: CFD simulates mixing of two fluids in a pipe for type approval. Fig.3: CFD simulation of velocity distribution in ballast water tank close to bottom wall. Figure 2: Sediments accumulate in ...