Bridges Vocabulary. Bridge  A structure used to help people cross valleys, rivers and bodies of water.

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Presentation transcript:

Bridges Vocabulary

Bridge  A structure used to help people cross valleys, rivers and bodies of water

Civil Engineer  A person that deals with the planning, construction and maintenance of structures

Pier  A post that supports the middle of a bridge

Abutment  The end support of a bridge

Span  The distance between two supports

Load  The combined forces that the bridge must support

Truss  A series of triangles used to strengthen a bridge

Chord  Horizontal or flat part of a truss

Web member  Diagonal part of a truss

Compression  Force that pushes together

Tension  Force that stretches or pulls apart

Keystone  The final wedge set in place at the top of an arch

Suspend  To be held up or supported

Anchorages  Massive rock or concrete structures used to hold the end of the cables in place

Torsion  A twisting force

Resonance  A force that is the waves or vibrations in a structure