S Define ↑↑↑↑ ∫A f.As CO 5= 开裂后，主拉应力 S 由纵筋和箍筋共同 承担 From test.when 0.5≤5≤2.0 both stirrups and longitudinal rebars will yield at ultimate torsion Code gB50010-2010 0.6≤5≤1.7 工程设计的常用值： 1.0≤5≤1.3 When g is too large or too small,longitudinal rebar or stirrups will not yieldyv sv cor y st yv sv cor y stl f A u f A s s f A u f A 1 1 1    0.5    2.0 0.6   1.7 Define From test, when both stirrups and longitudinal rebars will yield at ultimate torsion Code GB50010-2010 工程设计的常用值： 1.0   1.3 When ζ is too large or too small, longitudinal rebar or stirrups will not yield cor y stl u f A s f yv A sv1 开裂后，主拉应力 由纵筋和箍筋共同 承担