Double-track line at Cleveland, Ohio, 4 1/2 mi long, is built with Thermit-type butt welds which are made after rail is laid; two parts forming mold with integral crucibles are applied from opposite sides of rails and are held in position with bolts; molds are expendable; with steel pan in position under rails, all openings between rails and mold are closed with sand; two steel pipe sections are placed atop crucible. (07096)
Rapid-transit extension is built with butt-welded rail
Ry Track Struct
Railway Track and Structures ; 64 , n 10
1968
2 pages
Article (Journal)
English
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