Abstract
The rolling shear modulus influences the load and deformation behaviour of plywood and laminated timber plates with cross layers when loaded perpendicular to the plate. To date, only very few data are available regarding the rolling shear modulus which also depends on certain wood properties such as density and annual ring orientation. For a study of the rolling shear properties of wood a reliable and time-saving method for determining the rolling shear modulus in structural sizes is needed. Theoretical considerations and some systematic test series show that the dynamic method of measuring the frequencies of a bending vibration is suitable for determining the rolling shear modulus in a fast and reliable manner.
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