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Mechanical Properties Of Wood
Jun 17, 2016

Wood has good mechanical properties, but the anisotropy of wood is an organic material, parallel to the grain direction is perpendicular to the direction of mechanical properties are very different. High tensile and compressive strength parallel to the grain of the wood, but low tensile and compressive strength perpendicular to the grain. Strength also varies by species of wood and timber defects, loading time, the water content and the effect of temperature and other factors, defects and load time of the two most affected. Knots sizes and in different locations, mechanical properties (tensile or compressive), section wood strength than no wood to reduce 30~60%. In the long-term strength of Timber under long-term loads almost half the instantaneous intensity.

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