·当受压区高度不满是条件x2a时,正载面受 弯承载力可按下列公式计算: M<=pyAp (h-ap-a's)+fyAs(h-as-a's)+(o po tpy )ap( ap-as 0.002f 1+ E 8• 当受压区高度不满足条件x≥2a’时，正载面受 弯承载力可按下列公式计算： • M<=fpyAp (h-ap -a’s )+fyAs (h-as -a’s )+(σ’p0- fpy’)A’p (a’p -as ) • s cu s p cu b E f      0 1 0.002 1 − + + = s cu s p b E f     0 1 1 − + =