Terms in this set (14)
Type of bridge that has 1 or more towers from which cables support the weight of the bridge.
One of the oldest bridge designs. It has an arch, circular shape
The simplest kind of bridge to build. The weight is held by many beams underneath. Each beam takes turns holding the weight.
It carries the weight from above, using towers and cables. The cables support the bridge by bearing most of the weight.
A flat or three dimensional structure that supports a bridge. It is arranged in triangular patterns for strength.
A bridge made from two beams that stretch out from either side, and meet in the middle of the bridge. The beams are anchored into using concrete slabs called abutments.
The distance between two landing points or suspension points.
The force in which a material is squeezed together. (shortens)
The force in which a material is pulled apart. (lengthens or stretches)
This is what happens when a bridge or object loses its shape due to too much compression or pressure.
This is what happens when a bridge or object loses its shpe due to tension.
A constant force.
Reasons for a Bridge
* crossing a waterway
* Transportation of vehicles/goods
* Pedestrian/sight seeing
Which Shape is best for supporting a bridge???
Triangle: it can maintain its shape regardless of where the mass is placed on it.