污水管水力计算表

计算管段管段长度管径坡度坡降管底跌落(m)DN(mm)Imm起点终点起点终点起点终点23456WA1-WA240.10DN3000.0060.24125.6025.5024.7524.510.850.99WA2-WA314.20DN3000.0060.08525.5025.3024.5124.420.990.88WA3-WA48.80DN3000.0060.05325.3025.3024.4224.370.880.93WA4-WA54.50DN3000.0060.02725.3025.3024.3724.340.930.96WA5-WA69.20DN3000.0060.05525.3025.3324.3424.290.961.04WA6-WA73.80DN3000.0060.02325.3325.3324.2924.271.041.06WA7-WA828.70DN3000.0060.17225.3325.3924.2724.091.061.30WA8-化粪池A入口8.70DN3000.010.08725.3925.3924.0924.011.301.38化粪池A出口-W135.30DN3000.0030.1060.1025.3925.3023.9123.801.481.50W1-W225.90DN3000.0030.07825.3025.2723.8023.721.501.55W2-W329.70DN3000.0030.08925.2725.1223.7223.631.551.49W3-W422.10DN3000.0030.06625.1225.0223.6323.571.491.45W4-W527.20DN3000.0030.0820.3525.0225.0023.2223.141.801.86W5-W620.00DN3000.0030.06025.0024.3023.1423.081.861.22W6-W724.40DN3000.0030.07324.3024.5423.0823.001.221.54W7-W811.70DN4000.0030.0350.1024.5424.6622.9022.871.641.79W8-W938.00DN4000.0030.11424.6625.0522.8722.751.792.30W9-W1027.20DN4000.0030.08225.0525.1522.7522.672.302.48W10-W1125.00DN4000.0030.07525.1525.1022.6722.602.482.50W11-W1219.50DN4000.0030.05925.1025.0022.6022.542.502.46W12-W1322.80DN4000.0030.06825.0025.3522.5422.472.462.88W13-W1422.10DN4000.0030.0660.7025.3522.8521.7721.703.581.15W14-WA38.70DN4000.0030.11622.8523.0821.7021.591.151.49WAWA8a-WA820.00DN3000.0060.12025.4325.3924.4324.311.001.08WB1-WB219.70DN3000.0050.09925.4025.3024.5024.400.900.90WB2-WB312.90DN3000.0050.06525.3025.1524.4024.340.900.81WB3-WB421.10DN3000.0050.1060.5525.1524.7023.7923.681.361.02WB4-WB522.90DN3000.0050.11524.7025.0223.6823.571.021.45WB5-化粪池B入口2.00DN3000.010.02025.0225.0223.5723.551.451.47化粪池B出口-W43.90DN3000.0030.0120.1025.0225.0223.4523.441.571.58WB5a-WB5b8.10DN3000.0050.04125.2025.2024.1024.061.101.14WB5b-WB5c5.40DN3000.0050.02725.2025.2024.0624.031.141.17WB5c-WB5d7.80DN3000.0050.03925.2025.0224.0323.991.171.03WB5d-WB58.20DN3000.0050.04125.0225.0223.9923.951.031.07污水管水力计算表地面标高(m)管内底标高(m)埋深(m)789WC1-WC219.70DN3000.0080.15825.5025.4024.5024.341.001.06WC2-WC341.10DN3000.0080.3290.2025.4024.9924.1423.811.261.18WC3-WC422.70DN3000.0080.18224.9924.6623.8123.631.181.03WC4-化粪池C入口2.00DN3000.010.02024.6624.6623.6323.611.031.05化粪池C出口-W73.50DN3000.0030.0110.1024.6624.5423.5123.501.151.04WC4a-WC4b6.70DN3000.0080.05425.4025.4024.3024.251.101.15WC4b-WC4c5.40DN3000.0080.04325.4025.4024.2524.201.151.20WC4c-WC4d11.60DN3000.0080.0930.3525.4024.7023.8523.761.550.94WC4d-WC414.50DN3000.0080.11624.7024.6623.7623.640.941.02WD1-WD231.50DN3000.0060.18925.6025.5524.8524.660.750.89WD2-WD338.10DN3000.0060.22925.5525.4024.6624.430.890.97WD3-WD417.80DN3000.0060.10725.4025.4124.4324.330.971.08WD4-WD523.10DN3000.0060.13925.4125.5024.3324.191.081.31WD5-WD631.20DN3000.0060.18725.5025.2024.1924.001.311.20WD6-化粪池D入口5.60DN3000.010.0560.2025.2025.2023.8023.741.401.46化粪池D出口-W93.90DN3000.0030.0120.1025.2025.0523.6423.631.561.42WD4a-WD4b20.70DN3000.0060.12425.5725.5024.7724.650.800.85WD4b-WD436.20DN3000.0060.21725.5025.4124.6524.430.850.98WD5a-WD515.30DN3000.0060.09225.5525.5024.5024.411.051.09WD6a-WD6b29.20DN3000.0060.17525.1525.2024.1523.971.001.23WD6b-WD624.10DN3000.0060.14525.2025.2023.9723.831.231.37WE1-WE27.60DN3000.0050.03825.3525.3524.2524.211.101.14WE2-WE311.90DN3000.0050.06025.3525.3524.2124.151.141.20WE3-WE410.90DN3000.050.5450.4525.3524.1623.7023.161.651.00WE4-WE530.80DN3000.051.5400.1024.1622.5523.0621.521.101.03WE5-WE68.80DN3000.0050.04422.5522.5521.5221.471.031.08WE6-WE727.40DN3000.0050.13722.5522.5521.4721.341.081.21WE7-WE821.60DN3000.0050.10822.5522.6021.3421.231.211.37WE8-WE917.30DN3000.0050.08722.6022.6021.2321.141.371.46WE9-WE1014.30DN3000.0050.07222.6022.8521.1421.071.461.78WE10-WE118.50DN3000.0050.04322.8522.8521.0721.031.781.82WE11-WE1228.00DN3000.0050.14022.8523.3521.0320.891.822.46WE12-WE1327.10DN3000.0050.13623.3523.3520.8920.752.462.60WE13-WE1425.90DN3000.0050.13023.3523.3520.7520.622.602.73WE14-WE159.40DN3000.0050.04723.3523.3520.6220.582.732.77WE15-WE162.50DN3000.0050.01323.3523.3520.5820.562.772.79WE16-WE172.85DN3000.0050.01423.3523.3520.5620.552.792.80WE17-化粪池E1入口2.50DN3000.010.02523.3523.3520.5520.522.802.83化粪池E1出口-W152.50DN3000.0030.0080.1023.3523.3520.4220.422.932.93W15-W172.85DN3000.0030.00923.3523.3520.4220.412.932.94W17-W183.40DN3000.0030.01023.3523.3520.4120.402.942.95W18-WA26.30DN3000.0030.07923.3523.3520.4020.322.953.03WAWE16-WE182.85DN3000.0060.01723.3523.3520.5620.552.792.80WE18-化粪池E2入口2.50DN3000.010.02523.3523.3520.5520.522.802.83化粪池E2出口-W162.50DN3000.0030.0080.1023.3523.3520.4220.412.932.94W16-W172.85DN3000.0030.00923.3523.3520.4120.412.942.94WE4a-WE4b5.10DN3000.0060.03125.4025.3524.5024.470.900.88WE4b-WE410.50DN3000.050.5250.7525.3524.1623.7223.191.630.97WE11a-WE11b30.20DN3000.0060.18125.5025.2424.6024.420.900.82WE11b-WE11c31.30DN3000.0060.1880.2025.2425.0524.2224.031.021.02WE11c-WE11d11.00DN3000.0060.06625.0525.3024.0323.971.021.34WE11d-WE1121.00DN3000.0060.1262.0025.3022.8521.9721.843.341.01WE11d1-WE11d23.90DN3000.0060.02323.6023.6022.6022.581.001.02WE11d2-WE11d312.00DN3000.0060.07223.6023.6022.5822.501.021.10WE11d3-WE11d412.00DN3000.0060.07223.6023.6022.5022.431.101.17WE11d4-WE11d9.40DN3000.0060.05623.6025.3022.4322.381.172.92WE14a-WE14b5.60DN3000.0060.03423.9023.9022.4022.371.501.53WE14b-WE14c28.60DN3000.0060.17223.9023.7022.3722.191.531.51WE14c-WE14d5.90DN3000.0060.03523.7023.7022.1922.161.511.54WE14d-WE14e23.30DN3000.0060.14023.7023.6022.1622.021.541.58WE14e-WE14f5.90DN3000.0060.03523.6023.6022.0221.981.581.62WE14f-WE14g18.70DN3000.0060.11223.6023.5521.9821.871.621.68WE14g-WE14h1.50DN3000.0060.00923.5523.5521.8721.861.681.69WE14h-WE14i26.40DN3000.0060.15823.5523.4021.8621.701.691.70WE14i-WE146.60DN3000.0060.04023.4023.3521.7021.671.701.69WE14f1-WE14f15.10DN3000.0060.09123.6023.6022.1022.011.501.59WE14g1-隔油池入口4.50DN3000.010.04523.5523.5522.0522.011.501.55隔油池入口-WE14g2.00DN3000.0060.0120.1023.5523.5521.9121.891.651.66

412999926.xls

混凝土管粗糙系数n:0.014

0.6m/s

Q=VAL/s

设计流速V=1/n*R2/3*I1/2m/s

其中 R--水力半径(米); I--水力坡降; n--粗糙系数; A--水流断面(米2); ρ--湿周(米)污水管道应按不满流计算，其最大设计充满度应按下表采用。

h<2/D时, A=(θ-sinθcosθ)r2 =(arccos(1-2t)-(4t-2t2)0.5(1-2t))D2/4

ρ=2θr

R=(θ-sinθcosθ)r/2θ =(arccos(1-2t)-(4t-2t2)0.5(1-2t))D/4arccos(1-2t)

h>2/D时, A=(π-θ+sinθcosθ)r2 =(π-arccos(1-2t)+(4t-2t2)0.5(1-2t))D

2/4

ρ=2θr R=(π-θ+sinθcosθ)r/2θ =(π-arccos(1-2t)+(4t-2t2)0.5(1-2t))D/4arccos(1-2t)0.55200~300

350~450

500~900

≥10000.75污水管道在设计充满度时最小设计流速为设计流量

0.65

0.7管径或渠高最大设计充满度

D

rθθ

D

hrθθθ

董丽霞混凝土污水管道流通量简表第1页 共3页2017/2/18412999926.xls管径D充满度

沿线流量转输流量设计流量(mm)h/D起端终端起端终端

12345678101112131415161718

1301500.2000.01630.600.00240.0171.410.0326-0.90-0.93-0.87-0.90

2301500.2500.01250.600.00330.0211.970.375-0.90-1.28-0.86-1.24

3301500.3000.01000.600.00420.0242.560.3-0.90-1.20-0.86-1.16

4301500.3500.00850.610.00530.0283.220.255-0.90-1.16-0.85-1.10

DN(mm)

Dw*S(mm*mm)

Dn(mm)

λ

G(t/h)ω(m/s)Δh(Pa/m)ω(m/s)Δh(Pa/m)ω(m/s)Δh(Pa/m)ω(m/s)Δh(Pa/m)

0.5070.801421.00

0.6084.902048.20

0.7099.102782.20

0.80113.003635.80

0.90127.004596.20

1.00142.005674.2074.301038.30

1.10155.006869.8081.801254.10

1.20170.008178.2089.201489.50

1.30184.009594.3096.601744.40

1.40104.002028.60

1.50111.002332.40

1.60119.002646.0084.201068.20

1.70126.002989.0089.501205.40

1.80134.003351.6094.701332.40

1.90141.003733.80100.001499.4067.20528.20

2.00149.004135.60105.001666.0070.30585.10

2.10156.004566.80111.001822.5074.30644.80

2.20164.005007.80116.002018.3077.90707.60

2.30171.005478.20121.002205.0081.40774.20

2.40178.005958.40126.002401.0084.90842.80

2.50186.006468.00132.002597.0088.50914.30

2.60193.006997.20137.002812.6092.00989.80

2.70201.007546.00142.002949.8095.501068.20

2.80208.008114.40147.003263.4099.101146.60

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