Panama Canal expansion project: the world’s largest continuous concrete structure

The Panama Canal has been expanded by adding a dual three-stage set of locks each both on the Atlantic and on the Pacific side of the canal. Covering a length of over 1.5 km each, these are currently the largest concrete structures worldwide.

Until this summer, the ­Panama Canal divided international ­maritime traffic into two classes: Panamax applied to vessels with a length of up to 294.3 m and a width of up to 32.3 m; these were able to transit the 82-km long connection between the Atlantic Ocean and Pacific Ocean in approx. 12 to 15 hours. Larger vessels, called New Panamax, had to...

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