Rothoblaas - 木结构连接器 Page 391
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计算示例 | 带 LBV 和 LBB 的木-木节点 F1,d 项目数据 B1 强度 服务等级 荷载持续时间 实木 CL24 构件 1 构件 2 构件 3 H2 12,0 kN 2 短 B1 H2 B3 80 mm 140 mm 80 mm 可用产品 穿孔带 LBV401200(2) B = 40 mm s = 2 mm H = 600 mm 锚钉 LBA440(1) d1 = 4,0 mm L = 40 mm 穿孔带 LBB40 B = 40 mm s = 1,5 mm 锚钉 LBA440(1) d1 = 4,0 mm L = 40 mm B3 F1,d 评估系统强度 穿孔带/板材 - 抗拉强度 穿孔带 LBV401200(2) 穿孔带 LBB40 Rax,k = 17,0 γM2 = 1,25 Rax,d = 13,60 kN kN Rax,k = 17,8 γM2 = 1,25 Rax,d = 14,24 kN kN 连接件 - 抗剪强度 穿孔带 LBV401200(2) 穿孔带 LBB40 穿孔带 LBB4015 Rv,k = 1,89 kN Rv,k = 1,89 kN ntot = 13 卷 ntot = 13 卷 n1 = 5 卷 n1 = 4 卷 m1 = 2 行 m1 = 2 行 n2 = 3 卷 n2 = 5 卷 m2 = 1 行 m2 = 1 行 kLBA = 0,85 kLBA = 0,85 kmod = 0,90 kmod = 0,90 γM = 1,30 γM = 1,30 Rv,d = = ∑mi • nik • Rv,d = 穿孔带 LBV401200 1,31 kN Rv,d 13,61 kN ∑mi • nik • Rv,d = 1,31 kN 13,64 kN 系统强度 穿孔带 LBV401200(2) 穿孔带 LBB40 Rax,d R1,d = min 验收 ∑ ni mik Rv,d R1,d ≥ F1,d R1,d = 13,61 13,6 kN ≥ 12,0 经过验证 kN R1,d = 13,64 kN 13,64 ≥ 12,0 kN kN 经过验证 注意： 一般原则： (1) 计算示例使用的是 LBA 铆钉。还可以使用 LBS 螺钉固定（第 552 页）。 (2) 板材 LBV401200 的切割长度为 600 mm。 • 要优化连接系统，建议使用多个连接件，这些连接件提供的抗剪强度不超过穿 孔带/板材的抗拉强度。 • 建议使连接件沿荷载方向对称布置。 直角托架、梁托和冲孔板 | LBB | 391
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