METHOD AND DEVICE FOR FOAMING BALLAST BEDS

METHOD AND DEVICE FOR FOAMING BALLAST BEDS

The invention relates to a method and device for partially or completely foaming the hollow spaces in the ballast structure of a ballast bed, below which a subgrade (7) is located, having a reactive plastic, wherein the reactive components are mixed in a high-pressure mixer (1,26) and wherein the st...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: WIRTH, JÜRGEN, PETERSOHN, ANDREAS, PAWLIK, WOLFGANG
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
FIXED CONSTRUCTIONS
MACHINES FOR MAKING RAILWAYS OF ALL KINDS
PERMANENT WAY
PERMANENT-WAY TOOLS
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Beschreibung
Zusammenfassung:The invention relates to a method and device for partially or completely foaming the hollow spaces in the ballast structure of a ballast bed, below which a subgrade (7) is located, having a reactive plastic, wherein the reactive components are mixed in a high-pressure mixer (1,26) and wherein the start time for the reactive mixture (4) is adjusted such that the foaming process substantially only begins when the reactive mixture has reached the subgrade (7).