| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a roof truss unit by which a roof unit can be enlarged in accordance with a building such as a large storehouse, factory or mass retailer, a weight is prevented from being made excessive with the enlargement and further, there is no risk of strength reduction of roof truss, and a roof truss structure.SOLUTION: A roof truss unit U includes: a truss chord member 1 in which at least either upper chord members 11 and 11 or a lower chord members 12 is formed from a plate including joint parts 11a and 12a where a plurality of plates are linearly joined; a truss web member 2 including any one of a vertical member 21 and an oblique member 22 as a constituent member; gazette plates 3, 3... attached to nodes which are junction portions of the truss chord member 1 or the truss web member 2; and a splint member 4 attached to the joint parts 11a and 12a of the truss chord member 1. Further, a length of the splint member 4 is matched to an interval between the gazette plates 3 and 3 positioned at both sides of the joint parts 11a and 12a of the upper chord member 11 or the lower chord member 12.</p> |
