DOUBLE SHEAR TESTS OF BOLT JOINT WITH STEEL PLATE : A case study on the influence of end and edge distance to the shear strength

AIJ

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  • 鋼板添え板ボルト接合部のせん断試験 : 縁端距離が耐力性状に及ぼす影響についての一考察

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Presently, the shear strength formula of the bolt joint in Japan is based on European Yield Theory (EYT). EYT can evaluate the shear strength of various joints, using the strength properties of the main member, side member and joint device. However, the influence of the end distance and edge distance of the bolt joint to the shear strength of bolt joint is not calculated exactly because on EYT. Therefore, we executed the double shear test of the bolt joint with steel plates of glued laminated timber. The specimens are 27 types, and the parameters consist of the end distance, edge distance and l/d (the ratio of the thickness of the main member to the bolt diameter). Through this experiment, the following results were obtained. 1) The end distance and edge distance affect the yield strength and ultimate strength of bolt joint. 2) Ductility factor is large so that the end distance becomes larger. 3) The compressive strength obtained by the experiments is about 40% larger than the referenced compressive strength of AIJ code.

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