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...

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Bibliographic Details
Main Authors PETERSOHN ANDREAS, PAWLIK WOLFGANG, WIRTH JUERGEN
Format Patent
LanguageChinese
English
Published 12.12.2012
Subjects
CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
FIXED CONSTRUCTIONS
MACHINES FOR MAKING RAILWAYS OF ALL KINDS
PERMANENT WAY
PERMANENT-WAY TOOLS
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Summary: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).
Bibliography:Application Number: CN200880013000