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15 Cards in this Set
- Front
- Back
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tension
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type of stress involving an action which pulls apart
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compression
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type of stress involving pressing together. tends to shorten a member. opposite to tension
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buckling
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to fail by an inelastic change in alignment as a result of compression
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snapping
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to break suddenly because of compression
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dissipation
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disintegration; spreading apart force. arch bridge
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transference
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something being transfered, area at weakness, to area of strength
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abutments
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substructures supporting the end of a single span
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spandrels
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the space bounded by the arch extras and the horizontal member above it. arch
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piers
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substructures that support spans of multispan superstructures. beam
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anchorages
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the complete assemblege of members and prts
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span
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the distance between the support of a beam
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truss
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a joint structure made up of an individual members arranged and connected usually in a triangular pattern
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runs under the bridge
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twisting perpindicular to the longitudinal axis of a member. tacoma narrows
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resonance
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state of system which prduces a large vibration in responseto an external stimulus. when frequencies are equal
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dampeners
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resists motion via friction. stops resonance force
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