Operation Build a Bridge Vocabulary

Front

What is a beam bridge?

Back

A beam bridge is a type of bridge that uses horizontal beams supported at each end by vertical posts or piers.

Front

What is compression in terms of forces?

Back

Compression is the squeezing or pushing force on a material that tends to make it shorter.

Front

What is dead load?

Back

Dead load is the force on a bridge caused by its own weight.

Tags

NGSS.MS-PS2-4

Front

What shape is not used to provide extra support to bridges?

Back

Square is not used to provide extra support to bridges.

Front

What are live loads?

Back

Live loads are the forces on a bridge caused by temporary objects, such as vehicles and pedestrians.

Tags

NGSS.MS-PS2-2

Front

What are environmental loads?

Back

Environmental loads are the forces caused on a bridge by temporary environmental factors, such as snow, rain, hail, and wind.

Tags

NGSS.MS-ESS3-2

Front

What is tension in terms of forces?

Back

Tension is the pulling force that tends to make a material longer.

Front

What is shear force?

Back

Shear force is a force that causes parts of a material to slide past each other.

Front

What is torsion?

Back

Torsion is the twisting force that can cause a material to twist or rotate.

Front

What is the purpose of piers in bridge construction?

Back

Piers are vertical structures that support the bridge and transfer loads to the ground.