钢筋制作弯心直径表光圆钢筋 335MPa 级、400MPa 级带肋钢筋 钢筋弯转半 径钢筋半径全角度，不小于 2.5 倍直径90，不应小于 4 倍直径90，不应小于 5 倍直径6mm 15mm 24mm 30mm8mm 20mm 32mm 40mm10mm 25mm 40mm 50mm12mm 30mm 48mm 60mm14mm 35mm 56mm 70mm16mm 40mm 64mm 80mm18mm 45mm 72mm 90mm20mm 50mm 80mm 100mm22mm 55mm 88mm 110mm25mm 62.5mm 100mm 125mm28mm 70mm 112mm 140mm32mm 80mm 128mm 160mm36mm 90mm 144mm 180mm
