2013-4-19 Design of Wood Members Prof.He Minjuan Tongji University,Shanghai China Words and Expressions Design of Wood Members 园 Crushing 压碎 Buckling 1.Tension members Cross-bracing 交叉支推 Bridging 剪刀浮 2.Compression members Notch 缺口，四 (A)Sym 3.Bending members Sendermesraio 长细比 4.Bending combined with tension members 5.Bending combined with compression members Shrinkage crack 1.Tension members 1.Tension members →N -tension -net area(within 150mm) 1 2013-4-19 1 Design of Wood Members Prof. He Minjuan Tongji University, Shanghai China Words and Expressions Crushing 压碎 Buckling 屈曲 Cross-bracing 交叉支撑 Bridging 剪刀撑 Notch 缺口,凹槽 (A)Symmetrically (非)对称地 Slenderness ratio 长细比 Benign 良性的 Brittle 脆性的 Shrinkage crack 收缩裂缝 Design of Wood Members 1.Tension members 2.Compression members 3.Bending members 4.Bending combined with tension members 5.Bending combined with compression members 1. Tension members 1. Tension members Ag An N N t n f A N  where —— tension —— net area (within 150mm) —— tension strength N An ft