哈代克羅斯法平差表1.1哈代克羅斯法平差計(jì)算本次設(shè)計(jì)采用哈代克羅斯法平差計(jì)算，要求閉合差需小于0.1。平差過程如下：表STYLEREF1\s34哈代克羅斯法平差表環(huán)號(hào)管段編號(hào)s初分配流量第一次平差q（L/s）h（m）s|q|0.852q（L/s）h（m）s|q|0.85212-3213.3982.182.0925.3879.291.9524.623-461.3190.480.727.9287.590.677.70-7-482.84-122.27-1.6913.82-124.22-1.7414.01-2-764.12-94.63-0.818.60-95.49-0.838.670.3055.720.0655.00校正流量（L/s）-2.89校正流量（L/s）-0.5727-482.84122.271.6913.82124.221.7414.014-583.24122.851.7113.95121.911.6913.86-8-556.35-147.60-1.6311.04-148.65-1.6511.11-7-857.05-149.41-1.6911.29-143.49-1.5710.910.0950.110.2149.89校正流量（L/s）-0.94校正流量（L/s）-2.3138-556.35147.601.6311.04148.651.6511.115-677.62114.551.4012.25114.671.4112.26-9-661.03-159.84-2.0512.80-159.72-2.0412.79-8-968.62-101.27-0.999.75-96.19-0.909.33-0.0145.840.1245.49校正流量（L/s）0.12校正流量（L/s）-1.3942-764.1294.630.818.6095.490.838.677-1160.53158.532.0012.60163.362.1112.93-2-10121.49-89.65-1.4015.56-91.67-1.4515.86-10-1174.24-109.57-1.2411.28-111.59-1.2811.460.1848.050.2148.92校正流量（L/s）-2.02校正流量（L/s）-2.2857-857.05149.411.6911.29143.491.5710.918-1290.90134.152.2016.42132.262.1516.22-7-1160.53-158.53-2.0012.60-163.36-2.1112.93-11-1274.24-109.57-1.2411.28-116.43-1.3811.880.6651.600.2151.94校正流量（L/s）-6.86校正流量（L/s）-2.2368-968.62101.270.999.7596.190.909.339-1394.90140.062.4917.78135.092.3317.24-8-1290.90-134.15-2.2016.42-132.26-2.1516.22-12-1363.56-93.80-0.798.46-98.77-0.878.840.4852.410.2151.64校正流量（L/s）-4.97校正流量（L/s）-2.18環(huán)號(hào)管段編號(hào)s第二次平差第三次平差q（L/s）h（m）s|q|0.852q（L/s）h（m）s|q|0.85212-3213.3978.721.9324.4777.771.8824.223-461.3187.020.677.6686.070.657.59-7-482.84-122.49-1.7013.85-122.47-1.7013.84-2-764.12-93.79-0.808.54-94.06-0.808.560.1054.510.0454.20校正流量（L/s）-0.95校正流量（L/s）-0.3627-482.84122.491.7013.85122.471.7013.844-583.24119.611.6313.63118.631.6113.54-8-556.35-149.57-1.6711.17-149.53-1.6711.16-7-857.05-143.56-1.5710.92-142.81-1.5510.870.0949.560.0849.41校正流量（L/s）-0.97校正流量（L/s）-0.8838-556.35149.571.6711.17149.531.6711.165-677.62113.281.3712.14112.271.3512.04-9-661.03-161.11-2.0812.88-162.12-2.1012.95-8-968.62-95.39-0.889.27-95.45-0.899.270.0945.450.0445.43校正流量（L/s）-1.01校正流量（L/s）-0.4342-764.1293.790.808.5494.060.808.567-1160.53163.322.1112.93164.362.1413.00-2-10121.49-93.95-1.5216.20-94.63-1.5416.30-10-1174.24-113.87-1.3311.66-114.55-1.3411.720.0649.320.0649.57校正流量（L/s）-0.68校正流量（L/s）-0.6157-857.05143.561.5710.92142.811.5510.878-1290.90132.212.1416.21131.442.1216.13-7-1160.53-163.32-2.1112.93-164.36-2.1413.00-11-1274.24-118.66-1.4312.08-120.39-1.4712.230.1752.130.0652.22校正流量（L/s）-1.72校正流量（L/s）-0.6768-968.6295.390.889.2795.450.899.279-1394.90132.912.2617.00131.952.2316.90-8-1290.90-132.21-2.1416.21-131.44-2.1216.13-12-1363.56-100.95-0.919.01-101.91-0.939.080.0951.490.0751.39校正流量（L/s）-0.96校正流量（L/s）-0.73經(jīng)過三次平差后，各環(huán)的閉合差均小于0.1，符合平差要求，接下來對(duì)管網(wǎng)進(jìn)行水力分析并反算水源壓力。1.2管段水力計(jì)算經(jīng)平差后對(duì)管道內(nèi)流量進(jìn)行了優(yōu)化分配，在知道管徑的情況下可計(jì)算出管內(nèi)流速v：v=(q/1000)/（式中：v——管段流速m/s；q——管段流量L/s；D——管徑m。結(jié)合平差數(shù)據(jù)，可得如下管段水力計(jì)算表：表STYLEREF1\s35管段水力計(jì)算表管段編號(hào)2-33-42-77-44-58-57-88-95-6管段流量（L/s）77.7786.0794.06122.47118.63149.53142.8195.45112.27管內(nèi)流速（m/s）0.810.690.750.980.940.940.900.760.89管段壓降（m）1.880.650.801.701.611.671.550.891.35表STYLEREF1\s35管段水力計(jì)算表（續(xù)）管段編號(hào)9-62-1010-117-1111-128-1212-139-13管段流量（L/s）162.1294.63114.55164.36120.39131.44101.91131.95管內(nèi)流速（m/s）1.020.750.911.030.961.050.811.05管段壓降（m）2.101.541.342.141.472.120.932.231.3節(jié)點(diǎn)水力計(jì)算通過平差計(jì)算可得各管段壓降，結(jié)合各節(jié)點(diǎn)地面標(biāo)高，可得各節(jié)點(diǎn)自由水壓，從而得出水源節(jié)點(diǎn)壓力。節(jié)點(diǎn)水力計(jì)算表如下：表STYLEREF1\s36節(jié)點(diǎn)水力計(jì)算表節(jié)點(diǎn)編號(hào)1234567節(jié)點(diǎn)水頭（m）30.3129.4727.7427.0925.4824.1328.67地面標(biāo)高（m）14.2114.5515.6313.7515.9714.1113.74自由水壓（m）16.1014.9212.1113.349.5110.0214