Rothoblaas - 木结构连接器 Page 554
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剪切荷载最小距离 | 钢-木节点(1) 无预钻孔状态下插入螺钉 荷载-纹理夹角 α = 0° d1 a1 a2 a3,t a3,c a4,t a4,c [mm] [mm] [mm] [mm] [mm] [mm] [mm] 5 42 18 75 50 25 25 荷载-纹理夹角 α = 90° 7 59 25 105 70 35 35 a2 a2 5 18 18 50 50 50 25 α F α α F α F a1 a 1 a3,t 7 25 25 70 70 70 35 F a4,c a4,t a3,c 剪切和轴向荷载最小距离 | CLT(2) 无预钻孔状态下插入螺钉 | 侧面(3) d1 a1 a2 a3,t a3,c a4,t a4,c [mm] [mm] [mm] [mm] [mm] [mm] [mm] 5 20 13 30 30 30 13 7 28 18 42 42 42 18 a1 F α α α F a3,t a3,c F F α a2 a4,t tCLT a4,c 注意： (1) 最小距离符合 EN 1995-1-1 和 ETA-11/0030 认证，考虑木材特征密度为 ρk ≤ 420 kg/m3，计算直径 d = 螺钉标称直径。 • 对于木-木节点，最小间距（a1、a2）可以乘以系数 1,5。 554 | LBS | 板用螺钉和钉 (2) 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。 • 最小距离与荷载-纹理夹角无关。 (3) 最小 CLT 厚度 tCLT,min = 10·d1。
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