Canadian National completed two single-track bridges in which track ballast is eliminated completely and rails are set directly on oak cushion strips flush with top surface of deck slab; details of joint and reinforcing; equipment. (See also Ry Age v 95 n 6 Aug 5 1933 p 209-11)
Long precast bridge slabs carry tracks without ballast
Ry Eng Maintenance
Railway Engineering and Maintenance ; 29 , n 8
1933
3 pages
Article (Journal)
English
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Long precast bridge slabs carry tracks without ballast
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