Ballast is the hard and solid stones with sharp corners and sharp edges, broken in the size of 30-60 mm, with a certain layer thickness depending on the type of sleeper and the load it carries, laid on the railway platform. Ballast can be made from granite, kyanite, basalt, diabase, diolite, hard limestone. However, the most ideal ballast stone is obtained from granite and basalt.
Ballasts are broken, sharp-edged and edged stones that are laid on the railway platform and have a certain layer thickness according to the type of sleeper it carries and the load. Ballasts are used to carry the load of railway links, to facilitate discharge of water and to reduce vegetation that can interfere with road structure.
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