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Construction of Louis-Hippolyte Lafontaine Bridge-Tunnel, Trans-Canada Highway crossing of St. Lawrence River at eastern end of Montreal Island is described; seven tunnel units built in 1000 × 2000-ft drydock; each unit weighs 32,000 tons; they will be floated into position and sunk, to form highway tunnel; tunnel will be 2520 ft long.
Construction of Louis-Hippolyte Lafontaine Bridge-Tunnel, Trans-Canada Highway crossing of St. Lawrence River at eastern end of Montreal Island is described; seven tunnel units built in 1000 × 2000-ft drydock; each unit weighs 32,000 tons; they will be floated into position and sunk, to form highway tunnel; tunnel will be 2520 ft long.
World's largest prestressed tunnel
Eng Contract Rec
Caplan, B. (author)
1964
2 pages
Article (Journal)
English
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