Engineering

Bridges under pressure

Can a bridge withstand an earthquake? One of the big unknowns is how far a bridge might settle from seismic shaking, especially if the shaking triggers a quicksand-like soil response called liquefaction.

Engineering

Collapsed bridge helps inform future flood-resistant designs

Before record rainfall in July of 2018, the Misasa Railroad Bridge spanned a small river some nine miles inland from Japan's western coast. Unprecedented flooding collapsed the bridge, an infrastructure failure that will ...

Engineering

Studies compare models to predict bridge deterioration

Bridge failures are a reality for states with aging infrastructure, including Pennsylvania. In February, the Forbes Avenue Bridge in Pittsburgh collapsed due to structural failure; unfortunately, this kind of event isn't ...

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Bridge

A bridge is a structure built to span a valley, road, railroad track, river, body of water, or any other physical obstacle, for the purpose of providing passage over the obstacle. Designs of bridges will vary depending on the function of the bridge and the nature of the terrain where the bridge is to be constructed.

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