Variable length truss and method for producing the same
摘要
An open web beam composed of wooden top chord and an open web central structure terminated on at least one end by wooden members in the form of a closed web wherein the closed web is reinforced by insertion of a portion of the closed web into a strut and the two chords which have been slotted or grooved for this purpose. The closed be being oriented strand board using structural adhesive without interfering mechanical fasteners in the web.