Evaluation method for embedment stiffness of metal washers in bolted timber joints using torque gradient and nut factor
Doppo Matsubara,
Masaki Teranishi,
Takuro Mori
Abstract:Assessing the residual performance of timber joints affected by decay is important for seismic diagnosis and reinforcement of timber structures. This study introduces a method to evaluate the embedment stiffness of metal washers in bolted timber joints using a torque wrench. Formulas for the embedment stiffness of metal washers using the torque gradient (the gradient of the tightening torque against the tightening rotation angle of the nut) and the nut factor are presented and the calculated values are compare… Show more
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