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Bridges
Bridge Building Vocab
| Term | Definition |
|---|---|
| Abutment | The supports where a bridge arch meets the ground. Resist outward motion. Keep bridge up. |
| Arch bridge | A bridge that has compression spread over the arch. Half cirlce. |
| Cantilever | A type of bridge in which a beam is capable of supporting a load on 1 end when the other end is anchored. |
| Dynamic Load | Load/weight that is always changing |
| Static Load | A load that doesn't change or changes slowly |
| Dead Load | The weight or load of a structure itself. ex. a Bridge, a chair |
| Load | weight, mass or force on a structure |
| Pier | A structure that extends from a bridge to the ground to support the bridge. "feet" |
| Reinforced concrete | Concrete with steel or plastic rods inside them to resist tension |
| Shear | A sliding/separating force |
| Compression | Pushing/Squeezing force |
| Tension | Pulling/stretching force |
| Torsion | Twisting force |
| Strut | A rigid structure member that is in compression |
| Suspension Bridge | A bridge that has a deck suspended (hung) from cables that go over a tower |
| Truss Bridge | A structural part - series of triangles. |
| Beam Bridge | A bridge composed of a horizontal beam and piers |