Graphical Construction Glossary >> Roofs and roofing. >> Roof Trusses >> w truss
A couple of Warren girders supporting a walkway to a pontoon. Nicely designed to perform the function of guardrails also.
This truss called by a few names and with quite a few variations seem to be the basic one that the gang nail truss manufactures start from.
At the right are a couple of girders or girder trusses that are used often in large construction (The Sydney Harbour bridge has run up spans that are supported by Warren girders), down to being tucked away inside roof spaces as girder trusses.
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