Table 3:
Materials mechanical properties.
Steel
Wood
Young’s modulus (MPa)
210000
6500
Poisson ratio
0.3
0.3
Shear modulus (N/mm
2
)
807.7
2450
Density (kg/m
3
)
7850
600
Coefficient of thermal expansion (°C
-1
)
1,70·10
-5
6,00·10
-6
Maximum allowable stress (N/mm
2
)
100
20