The truss bridge... consists of an assembly of triangles. Truss bridges are commonly made from a series of straight, steel bars. The Firth of Forth Bridge in Scotland is a cantilever bridge, a complex version of the truss bridge. ... The beam bridge... consists of a horizontal beam supported at each end by piers.
www.pbs.org/wgbh/buildingbig/bridge/basics.html www.pbs.org/wgbh/buildingbig/bridge/basics.html
Truss bridge - Wikipedia, the free encyclopedia
A truss bridge is a bridge composed of connected elements (typically straight) which may be stressed from tension, compression, or sometimes both in response to dynamic loads. Truss bridges are one ...
en.wikipedia.org/wiki/Truss_bridge
Thus, for the most part, all beams in a truss bridge are straight. Trusses are comprised of many small beams that together can support a large amount of weight and span great distances. In most cases the design, fabrication, and erection of trusses is relatively simple.
www.matsuo-bridge.co.jp/english/bridges/basics/truss.sh... www.matsuo-bridge.co.jp/english/bridges/basics/truss.shtm
Truss - Wikipedia, the free encyclopedia
In architecture and structural engineering, a truss is a structure comprising one or more triangular units constructed with straight slender members whose ends are connected at joints referred to as...
en.wikipedia.org/wiki/Truss
Actually this program allows you design trusses. Trusses are composed of straight members connected at their ends by hinged connections to form a stable configuration. When loads are applied to a truss only at the joints, forces are transmitted only in the direction of each of ... Time to design and build a bridge truss !
www.jhu.edu/~virtlab/bridge/truss.htm www.jhu.edu/~virtlab/bridge/truss.htm
Truss Bridge Design ... The history and principles of rational truss bridge design ... In a truss bridge, this meant a span supported at the ends, with members pinned together so they could rotate at least a little at the joints. The number of members meeting at a joint had to be small enough that the forces in each could...
www.du.edu/~jcalvert/tech/machines/bridges.htm www.du.edu/~jcalvert/tech/machines/bridges.htm
Covered Bridges in Tennessee-What is a Truss Bridge? ... One bridge historian describes a truss bridge in this manner: "A truss is simply an interconnected framework of beams that holds something up. The beams are usually arranged in a repeated triangular pattern, since a triangle cannot be distorted by stress.
www.tdot.state.tn.us/bridges/trussbridges.htm www.tdot.state.tn.us/bridges/trussbridges.htm
this is the description ... THE MOST TRUSTED NAME IN BRIDGES...
www.usbridge.com/ www.usbridge.com/
There's no doubt you've seen a bridge, and it's almost as likely that you've traveled over one. If you've ever laid a plank or log down over a stream to keep from getting wet, you've even constructed a bridge. Bridges are truly ubiquitous -- a natural part of everyday life. ... Truss Strength...
www.howstuffworks.com/bridge.htm www.howstuffworks.com/bridge.htm