Rothoblaas - 木螺钉和连接器 Page 180
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受剪螺钉的最小距离(1) 荷载-木纹夹角 α = 0° d1 eq. [mm] [mm] d1 a1 6 通过预钻孔插入的螺钉 8 30 40 4∙d1 [mm] 12∙d1 72 96 7∙d1 [mm] 3∙d1 18 [mm] a4,c 9 5∙d1 [mm] a3,c a4,t 7 [mm] [mm] a2 a3,t 通过预钻孔插入的螺钉 荷载-木纹夹角 α = 90° d1 eq. [mm] [mm] d1 18 3∙d1 7∙d1 3∙d1 24 42 56 18 24 无预钻孔状态下插入螺钉 7 9 6 9 24 32 6 8 7 9 42 56 6 a3,t [mm] 20∙d1 120 160 15∙d1 90 a4,t [mm] 7∙d1 42 12∙d1 72 a3,c a4,c [mm] 15∙d1 [mm] 7∙d1 d1 = 螺钉标称直径 a2 a2 56 120 15∙d1 42 56 7∙d1 56 非受力端 90° < α < 270° F α α F a1 a1 a3,t 备注： (1) 考虑到木构件的密度 ρ > 420 kg/m3 和计算直径d相当于 = 螺钉标称直径，最小 k 距离符合 EN 1995: 2014 标准和 ETA-11/0030 的要求。 • 在钢-木连接的情况下，最小间距 (a1, a2) 可以乘以系数 0.7。 180 | VGZ HARDWOOD | 木结构 8 42 7∙d1 90 受力端 -90° < α < 90° 24 无预钻孔状态下插入螺钉 7∙d1 42 56 18 3∙d1 120 7∙d1 56 42 90 [mm] 56 42 7∙d1 7∙d1 15∙d1 a2 32 42 [mm] a1 8 24 4∙d1 24 7 56 120 90 120 96 42 56 受力边缘 0° < α < 180° 非受力边缘 180° < α < 360° α F α a4,t a3,c • 在面板-木连接的情况下，最小间距 (a1, a2) 可以乘以系数 0.85。 F a4,c
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