Rothoblaas - 木螺钉和连接器 Page 258
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受剪螺钉的最小距离 荷载-木纹夹角 α = 0° d1 [mm] a2 [mm] a1 a3,t a4,t 25 [mm] 12∙d 60 [mm] 3∙d d1 [mm] a2 [mm] a1 a3,t a3,c a4,t a4,c [mm] 15∙d [mm] 5∙d d = 螺钉标称直径 35 7∙d 35 15 25 75 10∙d 50 非受力端 90° < α < 270° F α F a3,t • 考虑到木构件的密度 ρk≤420 kg/m3 和直径 d = 螺钉标称直径，最小距离按照 EN 1995: 2014 标准的要求而确定。 258 | KKT COLOR A4 | AISI316 | 户外 50 25 5∙d α 备注： 50 10∙d 10∙d 25 a1 a1 25 5∙d 50 受力端 -90° < α < 90° a2 a2 5∙d 25 5∙d 5 60 25 10∙d 15 无预钻孔状态下插入螺钉 5 5∙d 35 3∙d 无预钻孔状态下插入螺钉 12∙d [mm] 7∙d 7∙d 15 3∙d 20 4∙d 35 7∙d 5 20 4∙d 15 3∙d [mm] [mm] 通过预钻孔插入的螺钉 5 5∙d [mm] a4,c 通过预钻孔插入的螺钉 [mm] [mm] a3,c 荷载-木纹夹角 α = 90° 受力边缘 0° < α < 180° 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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