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structure
bridge
| Term | Definition |
|---|---|
| abutments | support at the end of an arch bridge that carry the load and ends from spreading out. |
| spandrels | vertical support of an arch bridge used to distribute the weight of the roadway to the arch below. |
| anchororage | security device that are embedded in the solid rock or massive concrete blocks that spread cables over a large area to evenly distribute the load and prevent the cables from breaking free. |
| span | the distance between two bridges supports |
| compression | a force that acts to compress or shorten the thin it is acting on. |
| tension | a force that acts to expand or lengthen the thing it is acting on. |
| bucklin | what happens when the force of compression overcomes an object's ability to handle tension. |
| snapping | what happens when tension overcomes an object's ability to handle tension |
| dissipate | to spread force over a great area so that no one spot has to bear thee brunt of the concentrated force |
| transfer | to move force from an area of weakness to an area of strenght |
| truss | supporting lattice work added to create very tall beams that add rigidity to an existing beam greatly increasing its ability to dissipate the tension |
| torsion | a rotational or twisting force |
| deck-stiffening trusses | a supporting truss system beneath the bridge deck |
| resonance | a fatal force to a bridge |