An account is given of the change in conditions on british railways during the period 1960-1970 which have required developments in methods of achieving clearances for a.C. Electrification. Relatively lightweight precast reinforcedconcrete arch units have been developed for erection by off-track equipment to replace many existing arch bridges. Different techniques for individual bridges are also described.
Civil-engineering works for a.C. Electrification developments since 1960
Proceedings of the IEE Power ; 119 , 1 ; 69-73
1972
5 Seiten, 9 Bilder
Article (Journal)
English
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