Cut 65 ft. deep, alongside old buildings, required for four-track subway under Ontario St.; traffic detoured over temporary trestles; utilities supported on piling; concrete structure was designed as reinforced box, with back wall 824 ft. long, carrying four tracks in widest portion; method of shoring high bank along Ontario St.; methods of holding sheeting; excavation of depressed track trench with special traveler.
Rapid-transit lines' subway into Cleveland union terminal built under busy street
Eng. News-Rec
Engineering News-Record ; 107 , n 4
1931
4 pages
7 Figs.
Aufsatz (Zeitschrift)
Englisch
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