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Abuntments Supports at the end of an arch bridge that carry the load and keep the ends from spreading out.
Spandrels Vertical supports of an arch bridge used to distribute the weight of the roadway to the arch below.
Anchrorages Securing devices 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 frree.
Span The distance between two bridges supports.
Compression A force that acts to compress or shorten the thing it is acting on.
Tension A force that acts to expand or lengthen the thing it is acting on.
Buckling What happens when the force of the 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 greater force so that no one spot has to bear the brunt of the concentrated force.
Transfer To move force from an area of weakness to an area of strength.
Truss Supporting lattice work added to create very small beams that add rigidity to an existing beam greatly increasing its ability to dissipate the compression and tension.
Torque A rotational twisting force
Deck-stiffening Trusses A supporting truss system beneath the bridge deck.
Resonance A fatal force to a bridge that is a vibration caused by an extended force that is in harmony with the natural vibrations of the original thing. Resonance vibrations travel through a bridge in waves.
Dampeners A technique used to interrupt the resonant waves.
Created by: 355185