• 2022-06-06
    受轴向变载荷的螺栓联接中,已知预紧力QP = 8000 N,工作载荷:Fmin = 0,Fmax= 4000 N,螺栓和被联接件的刚度相等,则在最大工作载荷下,剩余预紧力为________