Good ballast means healthy track - Well maintained track often means keeping ballast in top shape.
Railway track and structures ; 109 , 8 ; 22-30
2013
Aufsatz (Zeitschrift)
Englisch
Modern track needs good ballast
Engineering Index Backfile | 1918
|Clean ballast -- Essential of good track
Engineering Index Backfile | 1944
Engineering Index Backfile | 1908
|Renewal of ballast and track by mechanical means in Polhill tunnel
Engineering Index Backfile | 1949
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