We studied and developed tensile joint of wood with round bar steel and washer, which can be adapted in wooden king-post truss or wooden parallel chord truss and so on. Upon developing, we had conducted tensile element test and grasped the characteristics of those. In 2015, a revised edition of JIS A 3301-2015 (Design standards for wooden construction of school buildings), adopting these tensile joint of wood with pulling bolts in roof structure of king-post truss, was published.
