Abstract

Various methods of experimentally determining the shear moduli G12, G13, and G23 of compact human bone tissue have been examined. The results of the study confirm the previous view that compact tissue has properties similar to those of a transversally isotropic material. It has been established that the shear modulus along the diaphysis of the tibia at the level of girdles 9–24 does not change significantly. There is a definite difference in the rigidity characteristics with respect to the regions of the cross section. The highest values for the shear modulus were established in the angle regions of the cross section. There is a linear dependence of the shear stress τ12 on the torsional angle φ1 within the experimental range of stresses (τ12≤90 kg/cm2).

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