Roman Architecture Arches The Romans used arches to
- Slides: 18
Roman Architecture
Arches • The Romans used arches to support the things they built. • They built victory arches, buildings and aqueducts.
Aqueducts
Aqueductsa way to carry water • There wasn’t enough water in the city of Rome. • The Romans brought water in from the surrounding countryside. • The water was brought in by tubes called aqueducts.
Why arches? • Water is heavy stuff. • The Romans needed a structure strong enough to hold all that water to move it from the mountains into the city.
Where did the water go? • The water was transported in concrete tunnels. • The tunnels were underground if possible. • Sometimes the tunnel had to go above ground.
How did the aqueduct work? • The water flowed in a tube on the top of the aqueduct called a water channel. • The arches supported the water channel.
What did the water channel look like? • The water flowed through a rectangular channel. • The channel was lined with concrete. • The Romans invented concrete.
Where else did the Romans use arches? • Arches of Triumph • Buildings • Roofs
Arches of Triumphto celebrate military success
The Coliseuma place for sports
The Coliseum- a blend of Greek and Roman architecture • The arches are supported by central columns. • The columns on the first floor are Doric. • The columns on the second floor are Ionic. • The columns on the third floor are Corinthian.
The Pantheona temple to all the gods
How does an arch work? Keystones • The keystone is the red stone at the top of the arch. • The keystone is what the weight rests on.
How does an arch work? Voussoirs • The semi-circular stones on either side of the keystone are the voussoirs. • The voussoirs bring the weight to the columns that go to the ground.
How does an arch work? Buttressing • The square or rectangular blocks between each are buttresses. • The buttresses make a column that takes the weight all the way to the ground.
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