FIELD: roads.
SUBSTANCE: invention relates to the upper part of a railway track and can be used in its construction. For production of a ballast layer for laying a railway track, constructing roads, dams and strengthening shores crushed stone ballast is distributed in order to generate the ballast layer. Reaction mixture for producing foamed polyurethane obtained from components by way of performing a process conducted at low pressure is applied between the distributed crushed stone ballast. Reaction mixture is obtained within the range of pressure from 2 to 20 bar from components present in at least two flows of components.
EFFECT: provided is the possibility of using a simpler equipment.
3 cl
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