2021 Volume 27 Issue 66 Pages 720-725
Self-tapping screws are often used in the joints of wooden buildings in Japan. It is useful to use the EYT formula to estimate the shear strength of screw connections. To estimate the shear strength of screw connections, it is necessary to apply the embedding strength to EYT equation, but there is little knowledge on the embedding strength of timber by screws. In this paper, embedding test methods of timber by screws were compared, and then was conducted. Furthermore, the evaluation method of embedding strength based on the results of the test was proposed.
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