| 摘要 |
<p>PROBLEM TO BE SOLVED: To reduce the weight of a roof and reduce the cost by stretching a plate between the purlins provided on the principal rafter of roof beams arranged side by side, stretching a heat insulating material thereon, and stretching a roof board directly on the main houses. SOLUTION: A king post 3 is erected on a land beam 2 constructed on a post 1, a principal rafter 4 is fixed with a gradient between the upper end part of the post 3 and the end part of the land beam 2, a suspended post 5 and knee braces 6, 6 are provided between the principal rafter 4 and the land beam 2 to form a roof beam A and the corner principal rafter. Subsequently, the roof beam A is arranged side by side on the post 1 purlins 7, 7 are fixedly disposed on the principal rafter 4, thin plates 11, 11 are stretched between the respective purlins 7 on the principal rafter 4, and heat insulating materials 12, 12 are laid thereon. Further, a roof board 9 is directly arranged on the main houses and fixed to lay tiles thereon. Thus, the use of a common after can be omitted to reduce the weight of the roof and the cost can be reduced.</p> |
