Bridges

Front

What is shear?

Back

A sliding force.

Front

What force helps an arch bridge support its live and dead loads?

Back

Compression.

Front

What is a pier?

Back

A vertical structure that supports a bridge.

Front

What kind of structure dissipates the forces in an arch bridge?

Back

Abutment.

Front

What is tension?

Back

A pulling force.

Front

What is compression?

Back

A squeezing force.

Front

What is an arch bridge?

Back

A bridge with a curved structure that supports loads.

Front

What is the purpose of a keystone in an arch bridge?

Back

It locks the arch together and helps distribute weight.

Front

What are live loads?

Back

Forces that can change, such as vehicles and pedestrians on a bridge.

Front

What are dead loads?

Back

Permanent static forces, like the weight of the bridge itself.