WebWood warping is a deviation from flatness in timber as a result of stresses and uneven shrinkage. Warping can also occur in wood considered "dry" (wood can take up and release moisture indefinitely), when it takes up … WebWhen lumber or timber is dried too quickly, wood shrinks much at the surface, compressing its damp interior. This results in unrelieved stress. Case-hardened wood may warp considerably and dangerously when the stress is released by sawing. Extreme cases of case hardening leads to honeycombing. Honeycombing

Defects in Timber: Top 5 Artificial and Natural Defects in Timber ...

WebJan 13, 2024 · Cup shakes or ring shakes are a separation between the annual rings and are normally the result of lack of nutriment. It is also said to be caused by the rising sap freezing during early spring cold spells. Waney edge is where the bark is left on the edge of converted wood. Knots are the end sections of branches where they grow out of the trunk. WebReasons for development of cup or ring shakes are to be sought in the unequal growth of the timber. The most important effect of the shakes on the timber is that these reduce its resistance to shear considerably. As … billy loomis motive

Defects in Timber Its Types, Reasons. - CivilSeek

WebThe top 4 are: wood, lumber, forestry and hardwood. You can get the definition (s) of a word in the list below by tapping the question-mark icon next to it. The words at the top of the list are the ones most associated with timber, and as … WebCup shakes are formed due to the non-uniform growth of a tree or excessive bending by cyclones or winds. In this case, the shakes develop between annual rings and separate … WebShakes and Checks. Although the term is often used more widely, a Shake is taken to mean a separation of the Annular Rings (confusingly, this is sometimes referred to as a 'cup shake'). Shakes occur naturally as the … billy loomis quotes