Rothoblaas - 木螺钉和连接器 Page 190
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计算的有效螺纹 10 Tol. Sg Sg b = L - 10 mm 10 S g = (L - 10 mm - 10 mm - Tol.)/2 表示螺纹部分的整个长度 表示扣除 10 mm 铺设公差 (Tol.)的螺 纹部分的半长 木-木的拔出、剪切和滑移值的评估，考虑考虑将螺钉重心放置在剪切面内。 b L 受剪螺钉的最小距离(1) 荷载-木纹夹角 α = 0° d1 [mm] a2 [mm] a1 a3,t a3,c a4,t 通过预钻孔插入的螺钉 9 11 13 27 33 39 [mm] 5∙d 45 [mm] 12∙d 108 132 156 [mm] 3∙d 27 33 39 [mm] a4,c [mm] d1 [mm] a2 [mm] a1 荷载-木纹夹角 α = 90° a3,t a4,t 63 27 3∙d 33 无预钻孔状态下插入螺钉 9 11 108 132 [mm] 15∙d 135 165 [mm] 5∙d 45 55 d = 螺钉标称直径 65 77 12∙d [mm] a4,c 7∙d 55 [mm] [mm] a3,c 3∙d 5∙d 10∙d 5∙d 45 45 受力端 -90° < α < 90° a2 a2 备注： 190 | VGS | 木结构 7∙d 11 13 36 44 52 36 44 63 52 77 91 7∙d 63 77 91 39 3∙d 27 33 39 7∙d 63 77 91 无预钻孔状态下插入螺钉 156 5∙d 65 5∙d 195 10∙d 9 11 13 45 55 65 45 55 90 65 110 130 110 130 10∙d 90 110 130 55 65 5∙d 45 55 65 65 10∙d 非受力端 90° < α < 270° F α α a3,t (1) 考虑到木构件的密度为 ρ ≤ 420 kg/m3，最小距离根据 EN 1995: 2014 标准 和 k ETA-11/0030 而确定。 4∙d 9 91 F a1 a1 4∙d 13 55 90 通过预钻孔插入的螺钉 90 110 受力边缘 0° < α < 180° 130 非受力边缘 180° < α < 360° α F α a4,t a3,c • 在钢-木连接的情况下，最小间距 (a1, a2) 可以乘以系数 0.7。 • 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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