capítol A 2.1

Study Notes

Rail is a fundamental characteristic of railways.
The rail is a specially shaped bar of rolled steel.
Different rail shapes exist based on scientific theories or usage.
The most common rail type in railways is the Vignole type.
The Vignole rail has a rounded head, a small thickness core, and a flat base.
Funiculars use a special type of rail with an inverted triangle head.
Rail provides guidance to the train.
Rail is the surface on which trains run.
Rail provides support to the train.
Rail is crucial for the functioning of railways.
The interaction of physical forces in the railway system causes trains to tend towards the center of the track.
Ideally, the wheels of the trains should not touch the rails.
The weight of the track components (rails, sleepers, and fastenings) affects the stability of the track.
A heavier track can support heavier trains and requires less maintenance.
The weight of the track components affects the deformation of the track.
The railway system is subject to different maintenance needs.
There are different types of tracks.
The track gauge affects the stability of the railway system.
The track gauge is the distance between the inner sides of the rails.
The railway system requires careful design and maintenance.
Increasing the weight of the railway track is important.
Previously, more sleepers were used per kilometer of track.
Modern concrete sleepers can weigh between 200-300 kg.
Wooden sleepers typically weigh an average of 70 kg.
Concrete sleepers are a fundamental step forward.
Concrete sleepers are heavier than wooden sleepers.
The weight of the track affects its stability and safety.
Increasing sleeper weight is a way to improve track durability.
Modernization has led to the development of heavier sleepers.
Concrete sleepers are a significant improvement over wooden ones.