The basic property "shear modulus" (G) of 84 old timber beams is investigated. G is important for short timber members or for parts subjected to torsional action. The calculation of the G and Modulus of Elasticity (MOE)/G ratio is based on transverse vibration technique, easy to be applied. Results: the average value of MOE/G is 21; the relationship with knots is weak; the time seems to have no effect on G, as on wood, in absence of decay and damages.
Dynamic shear modulus of old timber members / Cavalli, A.; Cibecchini, D.; Togni, M.. - STAMPA. - (2015), pp. 24-25. (Intervento presentato al convegno EUROMECH Colloquium 556. Theoretical, Numerical, and Experimental Analyses in Wood Mechanics tenutosi a Dresden - D nel 27 - 29 may 2015).
Dynamic shear modulus of old timber members
CAVALLI, ALBERTO;CIBECCHINI, DANIELE;TOGNI, MARCO
2015
Abstract
The basic property "shear modulus" (G) of 84 old timber beams is investigated. G is important for short timber members or for parts subjected to torsional action. The calculation of the G and Modulus of Elasticity (MOE)/G ratio is based on transverse vibration technique, easy to be applied. Results: the average value of MOE/G is 21; the relationship with knots is weak; the time seems to have no effect on G, as on wood, in absence of decay and damages.
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