|Kolnbrein Dam is an arch
It is more than 25 houses high.
It holds back a lake of more than 350 million bathtubs of water.
It is almost five houses wide at the bottom.
||The dam is located in Austria. |
The dam has many purposes:
- to control flooding
- to create power
- to provide people with drinking water
|The Kolnbrein Dam cracked on both sides.|
engineers tried many different things to stop the cracking.
They even tried
to freeze the crack to stop it from growing.
This is a photo of the
||Click here to see an animation
of a crack growing in a arch dam.|
Click the forward arrow to learn
about the last example of a cracked dam that failed.