A study on deformed bearing limit states based on bolt hole deformation by pure bending experiments of the girder bolted connections

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  • 高力ボルト摩擦接合鋼桁連結部の純曲げ載荷実験による孔変形を指標とした支圧限界状態に関する研究

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<p>The ultimate limit state of high-strength frictional bolted joints should be determined considering the resistance and ductility to enhance the resiliency of connected members. We proposed the deformed bearing limit state defined by bolt hole deformation and clarified the effect of various configurations on the bearing resistance. In this study, pure bending experiments of the girder bolted connections, which varies the cross-section classification of girder and the number of bolts of flange and web splices, have been conducted to evaluate the deformed bearing limit state of girder bolted connections. The ultimate strength was exceeded the designed full plastic moment, and the flange bolt hole deformation at the designed full plastic moment was less than 10% of the bolt diameter.</p>

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