Technique involves mobile jig platform which permits assembling of track in 240 ft lengths at railhead; jig accurately clamps rails at correct gage above sole plates and sleepers which are positioned in channels slots on mobile platform; supply gantry, operation sequence, mechanized ballasting, tracing of route with tunnels and bridges through difficult terrain in detail, savings with nestable type Armco culverts of 60-in. ID; foolproof operation, despite unskilled labor, was aided by electronic centralized traffic control signaling.
Prefab tracks speed construction of Swaziland railway
World Construction
World Construction ; 18 , n 9
1965
Aufsatz (Zeitschrift)
Englisch
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