re: Francis Scott Key Bridge in Baltimore has collapsed - container ship wrecked into it

quote:

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While we are at it, lets put some bumpers on trains to protect vehicles crossing the tracks.

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Not the same league, ballpark, or sport.

Fenders (bumpers) can help redirect smaller vessels and ablate the impact force.

Dolphins (pylons) are massive structural elements meant for area denial. They get placed in such a way to prevent a vessel like the Dali from getting anywhere near the bridge substructure (pier or bent).