Rothoblaas - 木螺钉和连接器 Page 34
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承受剪切荷载和轴向加载的螺钉的最小距离 | CLT 无预钻孔状态下插入螺钉 d1 [mm] a2 [mm] a1 a3,t [mm] [mm] a4,c [mm] 6∙d 6∙d [mm] 2,5∙d d = 螺钉标称直径 10 20 25 32 36 48 36 48 15 20 36 6∙d 无预钻孔状态下插入螺钉 8 24 15 2,5∙d [mm] a3,c a4,t 6 4∙d lateral face(1) 12 40 48 80 100 120 72 12∙d 72 96 120 144 72 6∙d 36 48 60 72 25 30 24 4∙d 32 42 7∙d 56 18 3∙d 40 70 24 30 a4,t α F F α α F F α a3,c a3,t a3,t a2 a2 a2 a1 备注： a1 最小距离符合 ETA-11/0030，除非 CLT 板技术文档另有说明，否则应视为有效。 (1) CLT 最小厚度 t min = 10∙d 34 | HBS | 木工 12 60 72 a4,c 10 10∙d 60 60 8 48 30 60 6 narrow face(2) a4,c F a3,c a3,c a4,c a4,c a4,t tCLT (2) CLT 最小厚度 t F tCLT min = 10∙d 和螺钉最小穿透深度 t pen = 10∙d 48 84 36
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