Rothoblaas - 木螺钉和连接器 Page 208
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轴向受力杆的最小距离(1) a2,CG a2 a2,CG a1,CG a1 a1,CG d1 [mm] a2 [mm] a1 a1,CG [mm] 5∙d [mm] 10∙d [mm] a2,CG d = 杆标称直径 a1 使用预钻孔插入的杆 16 20 80 100 160 200 80 5∙d 100 64 4∙d 80 受剪杆的最小距离(1) 荷载-木纹夹角 α = 0° d1 [mm] a2 [mm] 使用预钻孔插入的杆 [mm] 5∙d a3,t [mm] a4,t [mm] a1 [mm] a3,c [mm] a4,c d = 杆标称直径 16 荷载-木纹夹角 α = 90° 20 80 100 12∙d 192 240 3∙d 48 60 3∙d 7∙d 3∙d 48 112 48 受力端 -90° < α < 90° a2 a2 使用预钻孔插入的杆 60 140 F α α 备注： (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。 208 | RTR | 木结构 a3,c 80 64 80 112 140 7∙d 112 140 112 140 48 3∙d 非受力端 90° < α < 270° 20 7∙d 7∙d 60 a3,t 64 4∙d F a1 a1 16 4∙d 60 受力边缘 0° < α < 180° 非受力边缘 180° < α < 360° α F α a4,t F a4,c
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