Strength Grading of the Structural Timber
Keywords:
wood, structural timber, physical properties, mechanical strength, modulus of elasticity.Abstract
Strength and stiffness properties of Lithuanian pine and spruce specimens of structural sizes have been tested using bending loading method. Derived modulus of elasticity enabled classification and grading of tested timber pieces into strength classes accordingly to LST EN 338:2000. The investigation of quality distribution of structural timber visually graded according to BS 4978:1988 into strength grades SS – special structural and GS – general structural confirmed high strength properties and performance and good export abilities of Lithuanian structural sawn timber.
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