均布荷载 arctan +arctan +2(x/b) 2(二/b) 2(=/b) [4()2-4()2-12+16( (v±siny) max(T max sin yp z x b 1 3 2 2 2 2 2 2 4 [4( ) 4( ) 1] 1 2( / ) 1 2( / ) arctan arctan 2( / ) 2( / ) [4( ) 4( ) 1] 16( ) z z x z p x b x b b b b z b z b x z z b b b ( , ) x z k p b b 1 3 ( sin ) p max sin p m max ax( ) p • 均布荷载