A longitudinal stiffener used in orthotropic decks is called what?

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Multiple Choice

A longitudinal stiffener used in orthotropic decks is called what?

Explanation:
In orthotropic deck systems, loads on a slender deck plate are carried and distributed by stiffeners that run along the length of the bridge. These longitudinal stiffeners are called ribs. They act like a spine for the deck, increasing its stiffness in the long direction and helping transfer loads from the deck plate to the supporting girders, while preventing local buckling between transverse ribs. The other terms don’t designate a deck component: rigid frame refers to a different structural arrangement, and relieved or relocation aren’t names for deck stiffeners.

In orthotropic deck systems, loads on a slender deck plate are carried and distributed by stiffeners that run along the length of the bridge. These longitudinal stiffeners are called ribs. They act like a spine for the deck, increasing its stiffness in the long direction and helping transfer loads from the deck plate to the supporting girders, while preventing local buckling between transverse ribs. The other terms don’t designate a deck component: rigid frame refers to a different structural arrangement, and relieved or relocation aren’t names for deck stiffeners.

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