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bn:21795940n
Noun Concept
SYL
No term available
EN
A ballastless track or slab track is a type of railway track infrastructure in which the traditional elastic combination of ties/sleepers and ballast is replaced by a rigid construction of concrete or asphalt. Wikipedia
Relations
Sources
IS A
EN
permanent way
HAS PART
EN
rail profile
EN
base course
DOES NOT HAVE PART
EN
tie
EN
rubble
MATERIAL USED
Asfalt
EN
concrete

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