Construction Materials And Testing2D
Wood and Timber - Theory & Concepts
Structure, properties, defects, and preservation of wood as a construction material.
Open the complete lessonWood Moisture & Shrinkage
Adjust initial and final moisture content (MC) to simulate wood dimensional shrinkage below the Fiber Saturation Point (FSP $\approx 30\%$).
Initial MC30%
Oven-Dry (0%)Green (>30%)
Final MC10%
Oven-Dry (0%)Green (>30%)
Max Shrinkage Coeff. ($S_0$)6.0%
Stable Wood (2%)Unstable Wood (12%)
Fiber Saturation Point (FSP): Moisture held within wood cell walls. Only water lost *below* the FSP causes cell shrinkage and dimensional changes.