Use of machine welding to prefabricate rail for Rimutaka Tunnel and approaches; rail on each side of weld is held between two elements carrying high amperage and low voltage and heated; two photoelectric cells measure heat by color of metal; 351-ft lengths of tunnel track were lifted from flat cars by series of transverse gantries spanning width of tunnel and running on rail 8 ft 10 in. apart; welded approach rails are 117 ft or 126 ft in length.
Rail welding and methods of laying in New Zealand
Ry Gaz
Railway Gazette ; 108 , n 15
1958
2 pages
Aufsatz (Zeitschrift)
Englisch
© Metadata Copyright Elsevier B. V. All rights reserved.
Methods and costs of laying rail
Engineering Index Backfile | 1923
|REMOTE RAIL TRACK LAYING DEVICE AND REMOTE RAIL TRACK LAYING METHOD
Europäisches Patentamt | 2016
|Engineering Index Backfile | 1925
Engineering Index Backfile | 1929