BOTANICAL NOME
Quercus spp.
PHYSICAL AND MECHANICAL CHARACTERISTICS
Texture: Gross
Grain: Fairly straight and regular
Average weight: 720-800 kg/m3
Shrinkage: Medium to high
Dimensional stability: Strong
Hardness: Medium to high
Compression strength: Average value 52-61 MPa
Flexural strength: Average value 106-108 MPa
Modulus of elasticity: Average value 12,500 MPa
Shock resistance: Good
Flexibility: Fair
Durability: Good
BOTANICAL NAME
Quercus rubra
PHYSICAL AND MECHANICAL CHARACTERISTICS
Texture: Gross and distinctive
Grain: Fairly straight or slightly wavy
Average weight: 720 kg/m3
Shrinkage: Medium to moderate
Dimensional stability: Strong
Hardness: Medium to high
Compression strength: Average value: 52-62 MPa
Flexural strength: Average value: 96-110 MPa
Modulus of elasticity: Average value: 11,000-12,400 MPa
Shock resistance: Good
Flexibility: Fair
Durability: Good
BOTANICAL NAME
Pinus sylvestris L.
PHYSICAL AND MECHANICAL CHARACTERISTICS
Texture: Medium
Grain: Straight
Average weight: 550 kg/m3
Shrinkage: Low to medium
Dimensional stability: Modest to medium
Hardness: Low
Compression strength: Average value: 45 MPa
Flexural strength: Average value: 97 MPa
Modulus of elasticity: Average value: 13,750 MPa
Shock resistance: Modest
Flexibility: Medium
Durability: Modest
BOTANICAL NAME
Fraxinus excelsior L.
PHYSICAL AND MECHANICAL CHARACTERISTICS
Texture: Gross
Grain: Fairly straight and regular
Average Specific Weight: 720 kg/m3
Shrinkage: Medium
Dimensional stability: Medium
Hardness: Medium
Compression strength: Average value: 51 MPa
Flexural strength: Average value: 106 MPa
Modulus of elasticity: mean Value 12.800 MPa
Shock resistance: Significant
Flexibility: Fair
Durability: Low to average
BOTANICAL NAME
Entandrophragma cylindricum
PHYSICAL AND MECHANICAL CHARACTERISTICS
Texture: Average to fine
Grain: Regularly interwoven
Average weight: 690 kg/m3
Shrinkage: Low to medium
Dimensional stability: Low
Durezza: Medium
Axial Compression resistance: mean Value 61 MPa
Flexural strength: Average value: 145 MPa
Modulus of elasticity: Average value: 11,500 MPa
Impact Resistance: Low
Flexibility: medium
Durability: Good
BOTANICAL NAME
Milicia excelsa
PHYSICAL AND MECHANICAL CHARACTERISTICS
Texture: Medium to coarse
Grain: Not always regular
Average weight: 660 kg/m3
Shrinkage: Low
Dimensional stability: Medium
Durezza: Medium
Compression strength: Average value: 55 MPa
Flexural strength: Average value: 116 MPa
Modulus of elasticity: Average value: 10,000 MPa
Shock resistance: Low to average
Flexibility: Medium to high
Durability: Good