Method involves use of locomotive as power source; first, by pulling "dig out plow" beneath ties, it removes old ballast; second, by pulling work train, it distributes new ballast; finally, by dragging "track raiser" under ties, track is raised, tie bed is smoothed, and track lowered onto new ballast.
How track is raised and reballasted in Sweden
Ry Eng Maintenance
Railway Engineering and Maintenance ; 47 , n 7
1951
3 pages
Aufsatz (Zeitschrift)
Englisch
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