b= 450 y1= 0.15 y1'= 0.3 x1= h= 450 y2= 0 y2'= 0.15 x2= h1= 0 y3= 0 y3'= 0 x3= 螺栓个数 n= 8 螺栓直径 d。= 20 L= 0.15 nx= ny= NSd = 6.25 ≦ N/γ= 6.25 ≧0 时 6.25 ≦ N/γ= 20.00 ≦ N/γ= Vvsi x = 5.00 KN Vvsi y = 5.00 KN Vt si x = 16.67 KN Vt si y = 16.67 KN Vsi = 30.64 ≦ V/γ= M8 8x110 ?10 80 13 7.3 7.5 M10 10x130 ?22 90 20 10.8 12 M12 12x160 ?14 110 25 16.3 17.5 M16 16x190 ?28 125 35 23.2 33 M20 20x260 ?25 170 6