What is the substitute material of ballast at railway track?
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Track ballast forms track Bad upon which railroad ties mean slippers are laid.
Ballast can be replaced with non-biodegradable material.
Geosynthetic reinforcement is one of the alternative substitutes for sub-ballast material on a railway track.
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Ballast can be substituted by any material which prevents settlement of the crossties, is prone to environmental conditions and is cheap to procure and transport.
A few substitute materials could be
Ballast also holds the track in place as the trains roll over. It is typically consists of crushed stone, although other less suitable, materials have sometimes been used such as burnt clay.