Quercus robur
§ 1.1 — TAXONOMY & IDENTIFICATION
§ 1.2 — WOOD ANATOMY
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§ 1.3 — MECHANICAL PROPERTIES
| Dry Density | 1,000.0 $kg/m^{3}$ |
| Janka Hardness | 1,450 $lbf$ |
| Modulus of Rupture (MOR) | 123.0 $MPa$ |
| Modulus of Elasticity (MOE) | 234.00 $GPa$ |
| Crushing Strength | 324.0 $MPa$ |
| Shrinkage | Radial: 4.3%, Tangential: 9.2%, Volumetric: 13.3% |
| T/R Ratio | 2.1 |
§ 1.4 — PROCESSING & DURABILITY
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§ 1.5 — SPECIES IMAGE GALLERY
§ 1.6 — DISCLAIMER
The data contained in this Timber Species Library is compiled from primary scientific sources (including CIRAD and the FPL) and my own field observations as a professional Timber Haulier for a British Timber Wholesaler. However, users must note the following:
Natural Variance: Wood is a biological material. Mechanical properties (Density, MOR, Janka Hardness) can vary significantly even within the same species based on growth region, soil quality, and moisture content.
Haulage Estimates: "Green Weight" estimates are for general load planning only. Always use certified weighbridge data to confirm legal compliance before transit.
No Liability: This library is a personal reference manual made public for interest. I am an amateur developer and researcher, not a certified structural engineer. Use this data at your own risk.
Verification: Always cross-reference these figures with official project specifications before making any structural or financial decisions.