管網(wǎng)供水的事故校核表為應(yīng)對在管網(wǎng)出現(xiàn)故障時保證供水力度與管網(wǎng)供水可靠性，現(xiàn)對本次設(shè)計管網(wǎng)進行事故校核，擬定切斷一條最不利管段，其余節(jié)點流量按照最高時70%計算，若校核結(jié)果各節(jié)點自由水壓均滿足24m則事故校核成功。現(xiàn)擬定切斷管段2-10，校核過程如下。1.1事故初分配節(jié)點流量表STYLEREF1\s3SEQ表\*ARABIC\s112事故初分配流量表節(jié)點編號事故后節(jié)點流量（L/s）集中流量（L/s）節(jié)點總流量（L/s）293.260.0093.26357.340.0057.344114.51337.86452.375133.150.00133.15696.040.0096.047183.300.00183.308181.73229.56411.299136.330.00136.331073.210.0073.2111139.760.00139.7612123.810.00123.811381.85300.73382.581.2事故初分配管段流量表STYLEREF1\s3SEQ表\*ARABIC\s113事故管段流量表管段編號管徑（mm）管段流量（L/s）2-3350398.133-4400340.784-5400114.605-640048.029-645048788-5450114.602-7400432.437-8450641.618-9400307.482-10400—10-11400—11-12400253.2012-13400191.297-11450323209-13400191.291.3事故平差表STYLEREF1\s3SEQ表\*ARABIC\s114事故校核平差表環(huán)號管段編號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|0.85212-3213.39398.1338.7697.36333.6527.9483.753-461.31340.788.3524.50276.305.6620.49-7-482.84-340.78-11.2833.11-481.52-21.4044.45-2-764.12-432.43-13.5731.39-496.91-17.5635.3422.25186.36-5.36184.03校正流量（L/s）-64.48校正流量（L/s）15.7127-482.84340.7811.2833.11481.5221.4044.454-583.24114.601.5113.14190.853.8720.30-8-556.35-114.60-1.028.90-38.46-0.143.51-7-857.05-641.61-25.0839.09-475.30-14.3930.27-13.3194.2410.7598.53校正流量（L/s）76.26校正流量（L/s）-58.9438-556.35114.601.028.9038.460.143.515-677.6248.020.285.8448.140.285.85-9-661.03-48.02-0.224.59-47.90-0.224.58-8-968.62-307.48-7.7225.12-295.34-7.1724.27-0.0144.46-6.9738.22校正流量（L/s）0.12校正流量（L/s）98.4957-857.05641.6125.0839.09475.3014.3930.278-1290.90253.207.1428.20175.163.6120.60-7-1160.53-323.07-7.4723.11-413.13-11.7728.50-11-1274.24-253.20-5.8323.04-343.25-10.2529.8518.92113.44-4.03109.23校正流量（L/s）-90.05校正流量（L/s）19.908-968.62307.487.7225.12295.347.1724.279-1394.90191.294.4423.19179.273.9321.94-8-1290.90-253.20-7.1428.20175.16-3.6120.60-12-1363.56-191.29-2.9715.53203.31-3.3316.362.0592.044.1783.18校正流量（L/s）-12.02校正流量（L/s）-27.06環(huán)號管段編號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|0.85212-3213.39349.3630.4387.10335.9928.3184.263-461.31292.026.2721.48278.655.7520.64-7-482.84-406.87-15.6738.51-442.75-18.3241.38-2-764.12-481.20-16.5434.38494.56-17.4135.194.49181.47-1.67181.47校正流量（L/s）-13.37校正流量（L/s）4.9627-482.84406.8715.6738.51442.7518.3241.384-583.24131.911.9514.82154.432.6216.95-8-556.35-195.89-2.7514.05-167.04-2.0512.27-7-857.05-554.13-19.1234.50-509.16-16.3432.10-4.25101.872.55102.69校正流量（L/s）22.51校正流量（L/s）-13.3938-556.35195.892.7514.05167.042.0512.275-677.62146.632.2215.12140.292.0414.56-9-661.03-146.39-1.7411.87-140.05-1.6011.43-8-968.62-169.79-2.5715.15-206.15-3.6817.870.6656.19-1.1956.13校正流量（L/s）-6.34校正流量（L/s）11.4857-857.05554.1319.1234.50509.1616.3432.108-1290.90222.115.6025.23169.643.4020.05-7-1160.53-393.23-10.7527.33-415.68-11.9128.65-11-1274.24-323.35-9.1728.37-345.80-10.3930.044.80115.42-2.55110.84校正流量（L/s）-22.45校正流量（L/s）12.4468-968.62169.792.5715.15206.153.6817.879-1394.90152.222.9119.09182.244.0522.25-8-1290.90-222.11-5.6025.23-169.64-3.4020.05-12-1363.56-230.37-4.1918.19-200.35-3.2416.15-4.3277.651.1076.32校正流量（L/s）30.02校正流量（L/s）-7.79環(huán)號管段編號s第四次平差第五次平差q（L/s）h（m）s|q|0.852q（L/s）h（m）s|q|0.85212-3213.39340.9529.0985.31337.9528.6284.673-461.31283.615.9420.95280.615.8320.76-7-482.84-424.41-16.9439.91-434.80-17.7240.75-2-764.12-489.61-17.0834.89-492.61-17.2835.071.01181.07-0.55181.26校正流量（L/s）-3.00校正流量（L/s）1.6527-482.84424.4116.9439.91434.8017.7240.754-583.24141.042.2115.69148.432.4316.39-8-556.35-191.90-2.6513.81-183.69-2.4413.30-7-857.05-534.99-17.9133.48-522.15-17.1232.79-1.41102.890.58103.23校正流量（L/s）7.39校正流量（L/s）-3.0438-556.35191.902.6513.81183.692.4413.305-677.62151.772.3615.57150.952.3415.50-9-661.03-151.52-1.8512.23-150.70-1.8312.17-8-968.62-186.89-3.0716.44-193.71-3.2816.950.0958.04-0.3357.92校正流量（L/s）-0.82校正流量（L/s）3.1157-857.05534.9917.9133.48522.1517.1232.798-1290.90189.874.1922.07178.413.7320.93-7-1160.53-403.24-11.2627.92-408.69-11.5428.24-11-1274.24-333.36-9.7129.12-338.82-10.0029.521.14112.59-0.69111.49校正流量（L/s）-5.45校正流量（L/s）3.3368-968.62186.893.0716.44193.713.2816.959-1394.90174.453.7421.44180.453.9822.06-8-1290.90-189.87-4.1922.07-178.41-3.7320.93-12-1363.56-208.13-3.4716.69-202.13-3.2916.28-0.8576.630.2476.22校正流量（L/s）6.00校正流量（L/s）-1.70環(huán)號管段編號s第六次平差第七次平差q（L/s）h（m）s|q|0.852q（L/s）h（m）s|q|0.85212-3213.39339.6028.8785.02338.9228.7784.883-461.31282.255.8920.87281.575.8620.82-7-482.84-430.11-17.3640.37-432.90-17.5740.59-2-764.12-490.96-17.1734.97-491.64-17.2235.020.23181.24-0.16181.31校正流量（L/s）-0.68校正流量（L/s）0.4727-482.84430.1117.3640.37432.9017.5740.594-583.24145.392.3416.10147.512.4016.30-8-556.35-189.84-2.6013.68-187.83-2.5513.56-7-857.05-528.52-17.5133.13-525.18-17.3132.96-0.40103.290.12103.41校正流量（L/s）2.12校正流量（L/s）-0.6538-556.35189.842.6013.68187.832.5513.565-677.62154.062.4315.77154.162.4315.78-9-661.03-153.82-1.9012.38-153.92-1.9112.39-8-968.62-188.90-3.1316.59-190.40-3.1816.70-0.0158.42-0.1158.43校正流量（L/s）0.10校正流量（L/s）1.0057-857.05528.5217.5133.13525.1817.3132.968-1290.90183.443.9321.43180.613.8221.15-7-1160.53-405.37-11.3728.04-406.59-11.4328.12-11-1274.24-335.49-9.8229.28-336.71-9.8929.370.25111.89-0.19111.59校正流量（L/s）-1.22校正流量（L/s）0.9368-968.62188.903.1316.59190.403.1816.709-1394.90178.753.9121.89180.363.9822.05-8-1290.90-183.44-3.9321.43-180.61-3.8221.15-12-1363.56-203.83-3.3416.39-202.22-3.2916.28-0.2376.300.0476.19校正流量（L/s）1.61校正流量（L/s）-0.32環(huán)號管段編號s第八次平差第九次平差q（L/s）h（m）s|q|0.852q（L/s）h（m）s|q|0.85212-3213.39339.3928.8484.98339.2428.8284.953-461.31282.045.8820.85281.905.8820.84-7-482.84-431.79-17.4940.51-432.54-17.5540.57-2-764.12-491.17-17.1834.99-491.31-17.1935.000.05181.33-0.05181.36校正流量（L/s）-0.14校正流量（L/s）0.1427-482.84431.7917.4940.51432.5417.5540.574-583.24146.862.3816.24147.482.4016.30-8-556.35-189.47-2.5913.66-189.04-2.5813.63-7-857.05-526.75-17.4033.04-525.89-17.3532.99-0.12103.440.02103.49校正流量（L/s）0.61校正流量（L/s）-0.1138-556.35189.472.5913.66189.042.5813.635-677.62155.162.4615.87155.342.4715.88-9-661.03-154.92-1.9312.46-155.10-1.9312.47-8-968.62-189.09-3.1416.60-189.38-3.1516.62-0.0258.59-0.0458.61校正流量（L/s）0.18校正流量（L/s）0.3557-857.05526.7517.4033.04525.8917.3532.998-1290.90181.863.8721.27181.133.8421.20-7-1160.53-405.66-11.3828.06-405.91-11.4028.08-11-1274.24-335.78-9.8429.30-336.03-9.8529.320.05111.67-0.06111.59校正流量（L/s）-0.25校正流量（L/s）0.2768-968.62189.093.1416.60189.383.1516.629-1394.90180.043.9622.02180.523.9822.07-8-1290.90181.86-3.8721.27181.13-3.8421.20-12-