屈服点
界限受压区高度εb
混凝土等级CXX钢筋等级fcu,k=fck Es fy β1α1εcu'εcu εb HPB30013.42100002700.810.003670.00330.576HRB33520.12000003000.810.003600.00330.550HRB40026.82000003600.810.003530.00330.518HRB50032.42000004350.810.003480.00...
钢筋编号HPB、HRB、RRB的区别
钢筋编号HPB、HRB、RRB的区别钢筋编号HPB、HRB、RRB的区别hpb300一、HPB的全称是热轧光圆型钢筋(圆钢)(HPB是Hot-rolled Plain Steel Bar的英文缩写),俗称盘条,直径6—12个圆的最常见,其中包括HPB235和HPB300,公称直径为6~22d/mm,其中包括HPB235和HPB300 ,235和300分别指其对应的屈服强度。一级钢筋,其fy值=21...