供水管网平差计算书详解.doc

某市供水管网平差计算书 第一部分 最高日最高时平差 一、平差基本数据 1、平差类型：最不利点校核。 2、计算公式： 海曾威廉公式 V=0.44*C*(Re/C)^0.075*(g*D*I)^0.5 Re=V*D/ν 计算温度：13 ，ν=0.000001 3、局部损失系数：1.20 二、节点参数 节点编号 流量(L/s) 地面标高(m) 节点水压(m) 自由水头(m) 1 -601.680 812.000 855.780 43.780 2 -412.950 778.710 872.837 94.127 3 -587.280 734.450 798.609 64.159 4 5.063 772.400 868.620 96.220 5 8.419 773.450 851.023 77.573 6 7.580 772.160 850.928 78.768 7 6.825 772.000 851.328 79.328 8 30.119 779.400 807.416 28.00 9 12.084 772.000 837.522 65.522 10 6.937 772.000 841.232 69.232 11 5.035 764.130 797.288 33.158 12 7.440 763.700 797.666 33.966 13 7.273 764.900 805.434 40.534 14 10.965 765.220 829.494 64.274 15 6.265 765.000 834.868 69.868 16 9.622 762.300 818.941 56.641 17 7.384 760.640 792.582 31.942 18 9.902 758.260 792.644 34.384 19 6.993 761.750 794.146 32.396 20 7.384 753.500 784.659 31.159 21 9.287 754.450 787.671 33.221 22 9.790 753.000 787.735 34.735 23 10.070 755.700 789.332 33.632 24 12.867 752.520 802.936 50.416 25 12.420 753.000 800.522 47.522 26 19.301 759.600 800.915 41.315 27 10.126 763.900 798.854 34.954 28 11.804 770.900 798.699 27.799 29 17.063 775.600 799.372 23.772 30 23.945 755.390 791.219 35.829 31 11.021 750.450 788.993 38.543 32 8.112 752.740 785.393 32.653 33 8.951 749.950 784.617 34.667 34 8.503 748.970 784.616 35.646 35 9.063 750.570 785.593 35.023 36 11.580 751.190 786.141 34.951 37 12.364 754.260 787.264 33.004 38 11.692 751.200 789.546 38.346 39 12.252 750.000 794.318 44.318 40 7.832 754.400 795.832 41.432 41 8.727 743.600 786.866 43.266 42 13.035 745.390 786.789 41.399 43 10.909 748.180 784.289 36.109 44 8.559 747.230 783.949 36.719 45 8.671 746.900 783.948 37.048 46 6.881 747.290 784.212 36.922 47 8.391 749.000 788.660 39.660 48 10.070 749.500 791.321 41.821 49 5.594 750.910 791.292 40.382 50 9.007 750.300 792.103 41.803 51 11.468 754.590 792.491 37.901 52 14.266 759