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2. Characterization of solid wood
2.1 Wood structure
A cross-section of the wood (figure 1 ) reveals :
in the middle, a dark part, the heartwood, dead wood that supports the tree;
a lighter-coloured peripheral part, the sapwood, the living wood that carries the raw sap;
concentric growth rings that originate in the cambium ;
bark.
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Characterization of solid wood
Physical properties of wood
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Reference documents
- Building work – Construction of timber-frame buildings and houses - NF DTU 31.2 - 01-11
- Rules for using wood in construction – Visual grading for structural use of French sawn softwood and hardwood - NF B 52-001 - 08-11
- CB 71 rules – Calculation and design rules for timber structures - DTU P 21-701 - 06-84
- Wood preservatives – Determination of preventive action against...
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