Rothoblaas - 木螺钉和连接器 Page 153
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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] 2,5∙d a3,c [mm] 6∙d a4,c [mm] a1 a3,t a4,t [mm] 7 28 4∙d [mm] 42 d = 螺钉标称直径 9 11 23 28 54 42 54 18 23 42 6∙d 2,5∙d 无预钻孔状态下插入螺钉 36 18 6∙d [mm] lateral face(1) narrow face(2) 44 10∙d 66 12∙d 66 6∙d a4,c 90 110 84 108 132 42 54 36 63 21 3∙d 44 77 66 27 33 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 11 70 49 7∙d 28 9 28 4∙d 66 54 7 min = 10∙d 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 木结构 | VGZ | 153
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