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A scissors truss supported on two walls. A scissors truss is a kind of truss used primarily in buildings, in which the bottom chord members cross each other, connecting to the angled top chords at a point intermediate on the top chords' length, creating an appearance similar to an opened pair of scissors. scissors truss supported on two walls. A scissors truss is a kind of truss used primarily in buildings, in which the bottom chord members cross each other, connecting to the angled top chords at a point intermediate on the top chords' length, creating an appearance similar to an opened pair of scissors.
Figure 3-27.-Ridge struts. Figure 3-28.-Wall girt. Another longitudinal member similar to purlins and girts is an cave strut. This member is attached to the column at the point where the top chord of a truss and the column meet at the cave of the structure. (See fig. There are many more steelworking terms that you will come across as you gain experience.