Shear Tests of Wood Using V-Notch Beam and Square Plate Specimens

Akira Takahashi, Duane E. Lyon, Arno P. Schniewind


Investigation of the V-notch beam specimen for shear testing as developed in Rumania showed that it is not generally applicable to the determination of shear strength of wood. The square plate twisting test performed better, and optimum results were obtained when the ratio of side length to plate thickness was on the order of 12 to 14. The plate twisting test was subject to a very substantial size factor that limits the usefulness of the test without standardization of specimen size.


Douglas-fir;size factor;rolling shear;shear strength;shear parallel-to-grain;shear perpendicular to grain

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