给排水计算表大全

排水管最大排水流量计算表,,,,,,,,,,,,,,,附表1-25,

管材,公称直径,管道内经,最大,角度a,a角對邊长,三角形面积,扇形面积,水流有效断面面积,濕周,水力半徑,管道内壁,水力坡度,流速,排水能力,排水能力,排水能力

,(DN),(m),充滿度,(弧度表示),(半徑为1),(m2),(m2),(m2),(m2),(m),粗糙系数,,(m/s),(m3/s),(m3/h),(L/s)

,,d,h,,,,,,,R,n,I,v=1/nR2/3i1/2,Qs=Av,Qh=3600Qs,q=Qh/3.6

UPVC管,50,0.046,0.5,1.57,1.00,0.0000,0.0008,0.0008,0.07,0.0115,0.009,0.026,0.91,0.0008,2.73,0.76

,75,0.0704,0.5,1.57,1.00,0.0000,0.0019,0.0019,0.11,0.0176,0.009,0.026,1.21,0.0024,8.49,2.36

,110,0.1036,0.5,1.57,1.00,0.0000,0.0042,0.0042,0.16,0.0259,0.009,0.015,1.19,0.0050,18.08,5.02

,160,0.1520,0.6,1.37,0.98,0.0011,0.0102,0.0114,0.27,0.0422,0.009,0.01,1.35,0.0153,55.12,15.31

,200,0.1820,0.6,1.37,0.98,0.0016,0.0147,0.0163,0.32,0.0505,0.009,0.008,1.36,0.0221,79.70,22.14

,250,0.2280,0.6,1.37,0.98,0.0025,0.0230,0.0256,0.40,0.0633,0.009,0.008,1.58,0.0404,145.35,40.37

混凝土管,300,0.3000,0.55,1.47,0.99,0.0022,0.0376,0.0398,0.50,0.0795,0.014,0.004,0.84,0.0333,119.75,33.26

,400,0.4000,0.65,1.27,0.95,0.0114,0.0750,0.0865,0.75,0.1153,0.014,0.004,1.07,0.0925,333.05,92.51

,500,0.5000,1,0.00,0.00,0.0000,0.1963,0.1963,1.57,0.1250,0.014,0.004,1.13,0.2218,798.31,221.75

,600,0.6000,1,0.00,0.00,0.0000,0.2827,0.2827,1.88,0.1500,0.014,0.004,1.28,0.3606,1298.15,360.60

,700,0.7000,1,0.00,0.00,0.0000,0.3848,0.3848,2.20,0.1750,0.014,0.004,1.41,0.5439,1958.16,543.93

,800,0.8000,1,0.00,0.00,0.0000,0.5027,0.5027,2.51,0.2000,0.014,0.004,1.54,0.7766,2795.72,776.59

,900,0.9000,1,0.00,0.00,0.0000,0.6362,0.6362,2.83,0.2250,0.014,0.004,1.67,1.0632,3827.37,1063.16

,1000,1.0000,1,0.00,0.00,0.0000,0.7854,0.7854,3.14,0.2500,0.014,0.003,1.55,1.2194,4389.87,1219.41

,1100,1.1000,1,0.00,0.00,0.0000,0.9503,0.9503,3.46,0.2750,0.014,0.003,1.65,1.5723,5660.20,1572.28

,1200,1.2000,1,0.00,0.00,0.0000,1.1310,1.1310,3.77,0.3000,0.014,0.003,1.75,1.9829,7138.41,1982.89

,1300,1.3000,1,0.00,0.00,0.0000,1.3273,1.3273,4.08,0.3250,0.014,0.003,1.85,2.4547,8836.91,2454.70

,1400,1.4000,1,0.00,0.00,0.0000,1.5394,1.5394,4.40,0.3500,0.014,0.003,1.94,2.9910,10767.78,2991.05

,1500,1.5000,1,0.00,0.00,0.0000,1.7671,1.7671,4.71,0.3750,0.014,0.003,2.03,3.5952,12942.79,3595.22

,,,,,,,,,,,,,,,,,

v=1/nR2/3i1/2,,,,,,,,,,,,,,,,

Q=Av,,,,,,,,,,,,,,,,

其中：n为粗糙系数,,,,,,,,,,,,,,,,

R为水力半徑(m),,,,,,,,,,,,,,,,

i为排水坡度,,,,,,,,,,,,,,,,