Surprisingly many architects design their structures with sections that don't even exist--thanks to calculations done according to durability and rigidity requirements or because the wood chosen for the project cannot be mechanized resulting in the need to change the entire system once everything is laid out. If you lack experience in these types of structures it would be wise to consult with experts who can guide you through the process.

Typical sections for pillars and wooden beams. Image Timber

Timber

2、了解不同木材的特性 ， 了解其随着时间而变化的程度

举例来说 ， 我们可以比较一下蒙特雷松木和俄勒冈州松木两种木材的特性 ， 了解一下它们的层压特征与木材形式 。