同济大学 木结构
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3.1 Strength and Modules of Elasticity
lignin
cellulose fibres
Grading of Defects that affect
the strength
To grade According to the defects (decay, 裂口
木材裂纹
缺角
松脂结巴
Log, sawn lumber Dimension lumber:
Dimension lumber: Ⅰc , Ⅱc , Ⅲc
,Ⅳc ,Ⅴc ,Ⅵc
,Ⅶc
For sawn
Strength
5：
,
of strength in our timber code. strength in our timber code.
Strength
code (GB 50005-2003).
Compression members 3.3 Compression members
Material failure (crushing)
Elastic buckling (Euler)
Inelastic buckling (combination of
Compression members
Which kinds of the joints are those, shown in photos? 《木结构设计》
Code for design of timber structures Technical Specification for Light Wood-Frame and Preview of Chapter 4.