Sentence examples for rail ballast from inspiring English sources

"The sea wall was washed away at Llanaber resulting in 300 tonnes of rail ballast lost to the sea and approximately 800 tonnes of debris across the line," said a Network Rail spokesman.

Vibration control provisions available to the transit designer include (among others) precision straightened rail, ballast mats, floating slabs and very soft direct fixation fasteners, in addition to rail grinding, wheel truing, and continuous welded rail.

The track area usually consists of rail, ballast, sleeper, and fasteners; their characteristics and H values are different in the detecting image, as shown in Fig. 2. (1) In Fig. 2a, the value of H in the rail surface area is high as a whole and has small mutations.

The event marked the start of major works on the scheme with a demonstration of a new rail ballast cleaner.

This paper describes the use of Spectral Analysis of Surface Wave (SASW) for characterizing rail track ballast and foundation layers.

The contact resistance of rail to ground is manly composed of leakage current resistance by rails, ballast, and roadbed.

The search of this solution, congruent to the examination of the couplings between the various structural parts (rails, ballast, sub-ballast, platform), is very expensive in terms of mathematical model implementation.

Railway traffic throughout the state was paralyzed, as some train bridges collapsed, and extensive damage was found in the track ballast in multiple rail lines.

For the bridge subsystem a 3-D rail-ballast-beam finite element model is created, considering the elasticity and the continuity of the track system.

Rail Threshold (mm) <1 1–30 30–150 >150   No damage Possible abrasion and/or corrosion of railway tracks and signals, jamming of mechanical signals and contamination of track ballast.

A traditional railway track is composed of rails, sleepers, fastenings (included rail pads), ballast, and a formation layer.