1522×314.224.532.522.515.792028×318.835.253.03321.382532×322.165.663.293.326.283238×326.976.223.713.74045×332.856.84.174.25057×3.549.137.664.894.96573×473.258.695.775.88089×492.289.576.586.6100108×4112.1910.687.547.5125133×4142.8811.778.628.6150159×4.5194.1712.839.79.7200219×6358.6315.041212250273×7527.7916.7413.8613.8300325×8723.6318.2215.5515.5350377×9949.5719.5917.1517.1400426×91099.920.5618.518.5450478×91266.0321.6619.8419.8500529×91433.5222.6121.1221.1 600630×112073.424.7123.7523.7不保温管道最大允许跨距表气体管最大允许跨距 m管道计算荷载 N/m强度条件计算刚度条件计算推荐值液体管最大允许跨距 m管道计算荷载 N/m强度条件计算刚度条件计算 5.放水坡度i0=0.002注：1.管道保温材料容重单位：kg/m3 2.管道横向焊缝系数φ =0.7 3.管材许用应力[σ ]=111MPa (10#钢) 4.钢材弹性模数Et=1.98×10^5MPa公称通径mm外径×壁厚 mm m推荐值
