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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 spreading out . |
Spandrels | Vertical supports of an arch bridge used to distribute the weight of the roadway to the arch below . |
Anchorages | 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 free |
Span | the distance between two bridge supports |
Compression | a force that acts to compressor 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 objects ability to handle compression |
Snapping | what happens when tension overcomes an objects ability to handle tension |
dissipate | to spread force over a greater area so that no one spot has to bear the brunt of the concentrated force |
tranfer | to move a force from AREA of weakness to an area of strength |
truss | |
torsion | |
deck-stiffening trusses | |
resonance | |
dampeners |