TrussTruss Design Since the strength of a beam is determined by it’s depth, the deeper the beam...

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Transcript of TrussTruss Design Since the strength of a beam is determined by it’s depth, the deeper the beam...

TrussDesignSincethestrengthofabeamisdeterminedbyit’sdepth,thedeeperthebeamthestrongeritis.Asoliddeepbeamisheavyandexpensivesoonesolutionistobuilditoutofsticks.Wecallthisatruss.Sinceparallelogramsarenotstableunderaloadandtrianglesare,wefindthattriangularshapesarethebestfortrusses.Thedeckofthebridgemaybeontopofthetruss,belowthetrussorthroughthetruss.

Pros*highstrength *deckplacement*economical *longspans

Cons*maintenance$ *preciselyengineered