FIELD: construction.
SUBSTANCE: channel truss comprises dual-slop upper, horizontal lower belts, descending near-support braces and grid. Belts are made of two channels joined on planks. Near-support braces are made of two channels fixed by walls, and joined to walls of belt channels by overlapping shelves. Grid is made of single channels and is attached to upper and lower belts via gusset plates with self-drilling screws, bolts or through welding. Whole truss and its gusset plates are made of a single section of channel. Gusset plates are arranged in the form of two pieces of channels, which are fixed with their overlapping shelves to shelves of belt channels, and by walls - to shelves of grid channels.
EFFECT: reduced labour intensiveness of truss making.
2 cl, 3 dwg
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THROUGH JOIST | 2008 |
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Authors
Dates
2011-03-27—Published
2009-09-21—Filed