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Structures
bridges
Term | Definition |
---|---|
Abutments | supports at the end of an arch bridge that carry the load and keep the ends from speeding out. |
Spandrels | vertical supports of an arch bridge used to distribute the weight of the roadway to the arch bellow. |
Anchorages | securing devices that are embedded in the solid rock or massive concrete blocks that spreed cables over a large area to evenly distributed the load and prevent the cables from breaking free. |
Span | the distance between 2 bridge support |
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 compression overcomes an object's ability to handle compression |
Snapping | what happens when tension overcomes on abject's ability to handle tanssion |
Dissipate | to speed force over a greater area so that no one spot has to bear the brunt of the concentrated force |
Transfer | to move force from on 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 compression and teansion |
Torsion | a rotational or twisting force |
Deck-stiffening trusses | a supporting truss beneath the bridge deck |
Resonance | a fatal to a bridge that is vibration caused by an extended force that sis on harmony with the natural vibration of the original thing. Resonance vibrations travel through a bridge in waves |
Dampeners | a technique used to interrupt the resonate waves |