给水管网计算书 4页

给水管网计算书给水管网计算书工程名称：给水管道工程计算：校核：说明：给水管网包含21条管段和21个节点。计算书内容包括沿程水头损失计算公式、参数计算公式、管段数据表、节点数据表、工程量表和计算说明。1.本图为最高日最高时用水设计工况平差计算。2.管网共设置1个水源点，节点1供水量106809.77升/秒。3.控制点为节点19，控制点自由水头28.000米。4.流量单位为升/秒，流速单位为米/秒，水压和高程以米为单位。Ø沿程水头损失计算公式或公式参数：hf-沿程水头损失(米)，v-过水断面平均流速(米/秒)，R-过水断面水力半径(米)，L-管段长度(米)，D-管段直径(米)，C-谢才系数，g-重力加速度(米/平方秒)，λ-沿程阻力系数。Ø参数计算：海曾-威廉公式管段水头损失计算采用海曾-威廉公式Ø管段数据表第4页/共4页/HpcadRelease/2021/10/5\n给水管网计算书管段编号长度(米)管径(米)粗糙系数流速(米/秒)流量(升/秒)水头损失(米)千米水头损失(米)现状管道供水方式长度系数供水面积面积系数1-21370.067.11001.37354373.860.3380.24711--1-17883.366.61001.40848155.810.2490.28111--2-3931.7261001.36038449.990.2750.29511--2-18898.182.71001.42181380.7300.81221--3-41660.675.61001.36133524.70.5320.32011--4-51830.3651001.37026891.90.6770.37011--5-6619.174.61001.33822238.170.2420.39011--6-71732.784.11001.34617769.560.7820.45111--7-8638.323.61001.30313264.650.3160.49511--8-91660.6731001.2598896.630.9520.57411--9-20640.073.81001.37315568.520.3270.51121--10-91350.743.61001.45714825.560.8210.60811--11-101199.274.11001.49019670.440.6530.54511--12-111134.994.61001.45024105.330.5140.45311--13-12660.544.91001.45927516.430.2810.42611--14-131130.025.21001.45630918.210.4470.39511--15-141707.805.71001.42336309.80.5820.34111--16-15637.2161001.44240764.530.2090.32911--17-161184.926.31001.41944226.080.3570.30111--18-0620.941.51001.3392365.340.8961.44221--20-191728.462.41001.4526568.131.6750.96921--第4页/共4页/HpcadRelease/2021/10/5\n给水管网计算书Ø节点数据表节点编号地面高程(米)服务水头(米)自由水头(米)节点水压(米)节点流量(升/秒)集中流量(升/秒)水源供水量(升/秒)消防流量(升/秒)转输水头(米)001685.12685.1262359.570145.342441.75087.0904281.480106809.77250.2552436.49686.7517786.460348.5572437.92086.4774925.5404522433.94585.9456632.950554.32430.96885.2684654.10602885.02685.0264468.70702884.24584.2454505.070855.852828.07983.9294368.070954.8722828.10582.9778153.9301054.32829.49783.797484501152.6352431.81584.4504435.0701250.0822434.88384.9653411.501348.6942436.55285.2463402.0601451.4922434.20185.6935391.8301546.5942439.68086.2744455.501641.3612445.12386.4843462.0401748.962437.88186.8413929.7301852.2332833.78986.0225772.6601952.9742828.00080.9746568.1402054.6342828.01582.6499000.40第4页/共4页/HpcadRelease/2021/10/5\n给水管网计算书Ø工程量表序号项目名称规格单位数量1球墨铸铁管DN1500米620.942球墨铸铁管DN2400米1728.463球墨铸铁管DN2700米898.184球墨铸铁管DN3000米1660.675球墨铸铁管DN3600米1989.066球墨铸铁管DN3800米640.077球墨铸铁管DN4100米2932.058球墨铸铁管DN4600米1754.169球墨铸铁管DN4900米660.5410球墨铸铁管DN5000米1830.3611球墨铸铁管DN5200米1130.0212球墨铸铁管DN5600米1660.6713球墨铸铁管DN5700米1707.8014球墨铸铁管DN6000米1568.9315球墨铸铁管DN6300米1184.9216球墨铸铁管DN6600米883.3617球墨铸铁管DN7100米1370.06第4页/共4页/HpcadRelease/2021/10/5