Vocabulary
- Tension – is an internal axial member force that tends to lengthen a member.
- Compression – is an internal axial member force that tends to shorter a member.
- Through Truss – is a truss whose deck is located at or very near the bottom chord
- Pony Truss – it looks just like the through truss but it is not as high and has no bracing between the top chords.
- Deck Truss – is a truss whose deck is located at or very near the top chord.
- Force - push or pull
- Load – forces applied to a structure.
- Deck – is the floor of the bridge which provides support for the vehicles and pedestrians that cross the bridge.
- Yield Stress – is the strength of a metal.
- Span – is the length from support to support
- Buckling - is the principal failure mode of a member that is loaded in compressed axially.
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