目錄一、工程概況二、用水量計算算三、管網(wǎng)水力計計算1.比流量計算算2.沿線流量計計算3.節(jié)點流量量4.管徑的確確定5.流量分配配:四、管網(wǎng)平差校校核五、水泵的選選擇六、圖紙七、參考文獻一、工程概況⒈條件圖：街街區(qū)平面圖一一張（帶等高高線）；⒉河北為新城城區(qū)，居住區(qū)區(qū)街坊人口為為20萬人，用水水量定額220L/（cap.d），用水普普及率95％，時變化化系數(shù)為1.5；河南為老老城區(qū)，居住住區(qū)街坊人口口12萬人，用水水量定額200L/（cap.d），用水普普及率90％，時變化化系數(shù)為1.6。3.用水大戶集集中流量見下下表：新城區(qū)單位名稱項目機械廠化工廠棉紡廠肉聯(lián)廠醫(yī)院1北車站印染廠學(xué)校1集中流量（m3/d）1800600035004600150080025001500老城區(qū)加工廠煉鋼廠染料廠鋼纜廠醫(yī)院2南車站塑料廠學(xué)校2集中流量（m3/d）2500420022001800120060036001200根據(jù)上述資料設(shè)設(shè)計老城區(qū)的的給水管網(wǎng)。二、用水量計算算1、給水系統(tǒng)的的設(shè)計用水量量一般是指設(shè)設(shè)計年限內(nèi)最最高日用水量量，包括：（1）綜合生生活用水（包包括居民生活活用水和公共共建筑用水）；；（2）工業(yè)企企業(yè)生產(chǎn)用水水和工作人員員生活用水；；（3）消防用用水；（4）澆灑道道路和綠地用用水；（5）未預(yù)見見用水量及管管網(wǎng)漏失水量量。2、計算公式::Qd——最高日日設(shè)計用水量量Q1——居住區(qū)區(qū)綜合生活用用水量Q2——工業(yè)企企業(yè)生活用水水量Q3——生產(chǎn)用用水量Q4——澆灑道道路和綠化用用水量其中：最高日綜綜合生活用水水量Q1＝qNf；澆灑道路路用水量Q3：用水量按按每平方米路路面每次1.5L計算；每天天澆灑3次；綠化用用水量Q4：綠化用水水量按2L/dd.m2計算；城市市的未預(yù)見水水量和管網(wǎng)漏漏失水量按最最高日用水量量的15％～25%計算。河南為老城區(qū)，居居住區(qū)街坊人人口12萬人，用水水量定額200L/（cap.d），用水普普及率90％，時變化化系數(shù)為1.6。用水大戶集中流流量見下表：：老城區(qū)加工廠煉鋼廠染料廠鋼纜廠醫(yī)院2南車站塑料廠學(xué)校2集中流量（m3/d）2500420022001800120060036001200老城區(qū)規(guī)劃總面面積約為470公頃。其中中綠化面積71公頃，道路路面積80公頃。Q1=200××1200000×90％=216000000（L/d）=216000（m3/d）Q2=25000+42000+22000+18000+12000+600++3600++1200==173000（m3/d）Q3=8000000×1..5×3=336000000（L/d）=36000（m3/d）Q4=7100000×2==14200000（L/d）=14200（m3/d）最高日設(shè)計流量量Qd：Qd＝1.2×（Q1+Q2+Q3+Q4）＝1.2××（216000+173000+36000+14220）=527004（m3/d）Qd——最高日日設(shè)計用水量量Q1——居住區(qū)區(qū)綜合生活用用水量Q2——工業(yè)企企業(yè)集中用水水量Q3——用澆灑灑道路水量Q4——綠化用用水量最高日最高時設(shè)設(shè)計流量Qh＝(10000×1.6××527044)÷（24×36600）=976（L/s）消防用水量：根據(jù)《建筑設(shè)計計防火規(guī)范》該該城市消防用用水量定額為為45L/s，同時火災(zāi)災(zāi)次數(shù)為2次。城市消防用水量量為：三、管網(wǎng)水力計計算比流量計算qs＝(Qhh—∑q)/∑L=(9776-2000.23)//151122=0.055133Qh——為最高高日最大時用用水量L/s∑q——為大用用戶集中流量量L/s∑L——管網(wǎng)總總的有效長度度m沿線流量計算qi-j＝qsＬi-jＬi-j—有效效長度；mqs—比流量量沿線流量計算表表管段編號實際長度（m）有效長度（m）沿線流量（L//s）1-249024512.581-377138619.811-572072036.962-689444722.943-464032016.434-51009100951.795-664564533.125-81096109656.264-753526813.767-861361331.4788-947847824.5488-1193393347.899-1295047524.387-1088944522.846-9110755428.4410-1368934517.7210-1158458429.9811-1245745723.4611-1470470436.1412-1594547324.2813-16773762031.8316-1753553527.4613-1461761731.6714-1762762732.1817-1874148224.7414-1576476439.2315-1854027013.86合計1968315112775.77（三）節(jié)點流流量qi＝α∑q１１折折算系數(shù)取αα＝０.５節(jié)點流量表節(jié)點節(jié)點流量（L//s）節(jié)點節(jié)點流量（L//s）134.671064.21217.761182.62366.731236.06440.991382.28589.071469.61642.251538.69759.501629..65893.9971749..13959.511819..30（四）、管徑的的確定管徑與設(shè)計流量量的關(guān)系：q＝Ａv＝πＤＤ2v／４Ｄ＝（4q/ππv）公式中DD—管段管徑，m；q—管段計算流流量，m３/s；Ａ—管段過水水?dāng)嗝婷娣e，m２v—設(shè)計流速，m/s；設(shè)計中按經(jīng)濟流流速來確定管管徑進行平差差，確定實際際管徑。平均經(jīng)濟流速與與管徑的確定定管徑／mm平均經(jīng)濟流速／／（m/s）Ｄ＝100～4400D≥4000.6～０.990.9～1.44（五）、流量分分配:流量分配如下：：1.．最大時流流量初步分配配最大時設(shè)計流量量976L//s，流量初步步分配如下表表：最大時流量量分配環(huán)編號管長管徑流量初步分配影響0.0110411-3771600311.11213-4244500244.38214-5100930050.1231-5720600-320.1112421-5720600-320.11115-664525030.3446-2894600-292.355211-2490600-310.11121434-7535400153.27217-8623300-48.1458-51096500-250.82244-5100930050.121445-81096500250.8238-9478250-30.2169-61107600-280.444216-5645250-30.342457-10889400141.912110-1158420020.31711-8933400-138.92268-761330048.143468-11933400138.92511-12457250-30.18812-9950500-190.722219-847825030.2144710-1368930057.392113-14617300-50.21914-11705350-106.799810-11584200-20.315481179714-15764250-30.741015-12945400-124.4882111-1245725030.1864913-1673720025.322116-17535100-4.332117-14627200-17.711014-13617300-50.21741014-1762720017.71917-18741250-35.752118-15540300-55.052114-1576425030.748管網(wǎng)平差結(jié)果（一一）：平差表(一)===================================================================================迭代次數(shù)=18===================================================================================環(huán)號=1閉合差=-.0002-----------------------------------------------------------------------------------管段號管長管徑流速流量1000II水頭損失ssq(米)(毫米)(米/秒)(升/秒)((米)-----------------------------------------------------------------------------------1-37711600.99279..362.0091.611..00583-4244450011.08212..633.114.777..00364-5100093000.23-166.13..36-.337.022771-5720060011.26-355..132.779-2.011..0057sqtotaal=..038dqq=-..02===================================================================================環(huán)號=2閉合差=-.0005-----------------------------------------------------------------------------------管段號管長管徑流速流量1000II水頭損失ssq(米)(毫米)(米/秒)(升/秒)((米)-----------------------------------------------------------------------------------1-5772060001.2663555.1322.792..01.005575-6645250..5024.3391.8551.19.004886-28946001..02--289.0082.233--1.99.000691-24906001..09--306.8842.499--1.22.00040sqtotaal=..065dqq=-..04===================================================================================環(huán)號=3閉合差=-.0004-----------------------------------------------------------------------------------管段號管長管徑流速流量1000II水頭損失ssq(米)(毫米)(米/秒)(升/秒)((米)-----------------------------------------------------------------------------------4-7533540001.491877.776..703.558.019117-862233000.15-100.77..18-.111.010448-51009650001.155-2225.5433.51-3..84.017704-5100093000.23166.13..36.337.02277sqtotaal=..069dqq=-..03===================================================================================環(huán)號=4閉合差=-.0007-----------------------------------------------------------------------------------管段號管長管徑流速流量1000II水頭損失ssq(米)(毫米)(米/秒)(升/秒)((米)-----------------------------------------------------------------------------------5-81096650011.15225..543.5513.844..01708-94788250.35-17..16.998-.477..02739-611077600.96-271..221.998-2.199..00816-56455250.50-24..391.885-1.199..0488sqtotaal=..101dqq=-..03===================================================================================環(huán)號=5閉合差=-.0002-----------------------------------------------------------------------------------管段號管長管徑流速流量1000II水頭損失ssq(米)(毫米)(米/秒)(升/秒)((米)-----------------------------------------------------------------------------------7-10889940011.11139..044.3373.888..027910-115844200.041..40.004.022..015211-8933340011.10-137..964.330-4.022..02918-76133300.1510..77.118.111..0102sqtotaal=..082dqq=-..01===================================================================================環(huán)號=6閉合差=-.0005-----------------------------------------------------------------------------------管段號管長管徑流速流量1000II水頭損失ssq(米)(毫米)(米/秒)(升/秒)((米)-----------------------------------------------------------------------------------8-11993340001.1001337.9644.304..02.0299111-12457250..79-38.7734.300--1.96.0050712-99500500.99-194..552.666-2.533..01309-8478250..3517.116.988.47.00273sqtotaal=..120dqq=-..02===================================================================================環(huán)號=7閉合差=--.002-----------------------------------------------------------------------------------管段號管長管徑流速流量1000II水頭損失ssq(米)(毫米)(米/秒)(升/秒)(米)-----------------------------------------------------------------------------------10-1368933001.00473.4225.6433.89.0553013-146173300.449--34.6771.42--.88.0225314-117053350.999--95.4774.24-22.99.0331311-105842200.004-1.400.04--.02.01152sqtotaal=..125dqq=-..01===================================================================================環(huán)號=8閉合差=--.004-----------------------------------------------------------------------------------管段號管長管徑流速流量1000II水頭損失ssq(米)(毫米)(米/秒)(升/秒)(米)-----------------------------------------------------------------------------------11-147055350.9995..474.2242.999..031314-15764250..57-28.1152.400--1.83.0065015-129455400.95-119..773.331-3.133..026112-11457250..7938.7734.3001.96.00507sqtotaal=..173dqq=-..01===================================================================================環(huán)號=9閉合差=--.001-----------------------------------------------------------------------------------管段號管長管徑流速流量1000II水頭損失ssq(米)(毫米)(米/秒)(升/秒)(米)-----------------------------------------------------------------------------------13-167372200.88225.8116.1944.56.1776716-175351100.449-3.8445.90-33.16.8222217-1462272000.62-199.343..64-2.229.1181114-13617300..4934.6671.422.88.00253sqtotaal=1..142dqq=..00===================================================================================環(huán)號=10閉合差=--.002-----------------------------------------------------------------------------------管段號管長管徑流速流量1000II水頭損失ssq(米)(毫米)(米/秒)(升/秒)(米)-----------------------------------------------------------------------------------14-17627200..6219.3343.6442.29.1118117-187412250.669--33.6333.31-22.46.0773018-155403300.775--52.9333.08-11.66.0331415-147642250.55728.1552.4011.83.06650sqtotaal=..288dqq=..00===================================================================================附：附平差圖((一)２．最大時加消消防流量初步步分配在控制制點17跟控制點18點上分別加加上45L/S的流量。設(shè)設(shè)計流量加上上消防用水量量90L/s。進行流量量的初步分配配，如下表：：最大時加消防防流量初步分分配表環(huán)編號管長管徑流量初步分配影響0.0110411-3771600311.11213-4244500244.38214-5100930050.1231-5720600-365.1112421-5720600365.11115-664525030.3446-2894600-337.355211-2490600-355.11121434-7535400153.27217-8623300-48.1458-51096500-295.82244-51009300-50.121445-81096500295.8238-9478250-30.2169-61107600-325.444216-5645250-30.342457-10889400141.912110-1158420020.31711-8933400-183.92268-761330048.143468-11933400183.92511-12457250-30.18812-9950500-135.722219-847825030.2144710-1368930057.392113-14617300-50.21914-11705350-151.799810-11584200-20.315481179714-15764250-30.741015-12945400-169.4882111-1245725030.1864913-1673720025.322116-17535100-4.332117-14627200-62.711014-1361730050.21741014-1762720062.71917-18741250-35.752118-15540300-100.0552114-1576425030.748管網(wǎng)平差結(jié)果（二二）：平差表表（二）===================================================================================迭代次次數(shù)=18===================================================================================環(huán)號=1閉合差=--.003-----------------------------------------------------------------------------------管段號管長管徑流速流量1000II水頭損失ssq(米)(毫米)(米/秒)(升/秒)(米)-----------------------------------------------------------------------------------1-377166001.0042295.2112.3111.78.000603-4244450011.16228..483.559.888..00384-510099300.18-13..07.225-.255..01941-5722060001.37-3888.723..35-2.441.00622sqtotaal=..035dqq=-..04===================================================================================環(huán)號=2閉合差=--.009-----------------------------------------------------------------------------------管段號管長管徑流速流量1000II水頭損失ssq(米)(毫米)(米/秒)(升/秒)(米)-----------------------------------------------------------------------------------1-5722060001.373888.723..352.441.006225-664452500.55277.012..221.443.053116-2889460001.177-3229.6422.84-2..54.007771-2499060001.23-3477.402..67-1.331.00388sqtotaal=..071dqq=-..06===================================================================================環(huán)號=3閉合差=--.005-----------------------------------------------------------------------------------管段號管長管徑流速流量1000II水頭損失ssq(米)(毫米)(米/秒)(升/秒)(米)-----------------------------------------------------------------------------------4-7533540001.602000.567..644.009.020447-866233000.099--6.58.08-..05.007728-51099650001.32-2599.573..92-4.330.016664-5100093000.18133.07..25.225.01944sqtotaal=..064dqq=-..04===================================================================================環(huán)號=4閉合差=--.010-----------------------------------------------------------------------------------管段號管長管徑流速流量1000II水頭損失ssq(米)(毫米)(米/秒)(升/秒)(米)-----------------------------------------------------------------------------------5-81099650001.322599.573..924.330.016668-9478250..031.337.011.01.000439-61107760011.11-314..402.660-2.888..00926-56455250.55-27..012.222-1.433..0531sqtotaal=..083dqq=-..06===================================================================================環(huán)號=5閉合差=--.001-----------------------------------------------------------------------------------管段號管長管徑流速流量1000II水頭損失ssq(米)(毫米)(米/秒)(升/秒)(米)-----------------------------------------------------------------------------------7-10889940011.17147..644.8894.344..029410-115842200.003.988.02.01.0111811-893344001.225-1157.6554.72-44.40.022798-7613300..096.558.088.05.00071sqtotaal=..076dqq=-..01===================================================================================環(huán)號=6閉合差=--.002-----------------------------------------------------------------------------------管段號管長管徑流速流量1000II水頭損失ssq(米)(毫米)(米/秒)(升/秒)(米)-----------------------------------------------------------------------------------8-119334001..25157.6654.7224.40.0027911-1244572550.944-446.1655.94-2..72.0588912-99505500.880-1156.2661.77-11.68.011089-844782550.033--1.37.01-..01.00443sqtotaal=..102dqq=-..01===================================================================================環(huán)號=7閉合差=--.001-----------------------------------------------------------------------------------管段號管長管徑流速流量1000II水頭損失ssq(米)(毫米)(米/秒)(升/秒)(米)----------------------------------------------------------------------------------177882.4577.014..83.0588613-14617300..45-32.0041.233-.76.0023814-11700535001.27-1222.175..75-4.006.0332210-1155842000.033-.98.02-..01.01118sqtotaal=..127dqq=..00===================================================================================環(huán)號=8閉合差=--.002-----------------------------------------------------------------------------------管段號管長管徑流速流量1000II水頭損失ssq(米)(毫米)(米/秒)(升/秒)(米)----------------------------------------------------------------------------------2771222.1755.754..06.0333214-157644250.48-23..671.775-1.344..056515-129454001..38--174.0045.755--5.44.0031211-124577250.9446..165.9942.722..0589sqtotaal=..180dqq=..00===================================================================================環(huán)號=9閉合差=--.001-----------------------------------------------------------------------------------管段號管長管徑流速流量1000II水頭損失ssq(米)(毫米)(米/秒)(升/秒)(米)-----------------------------------------------------------------------------------13-16733720001.03322.219..336.888.2135516-1755351000.3332.5622.851..52.5955717-146272001..41-44.11914.611--9.16.2207314-136173300.44532.0441.23.76.02238sqtotaal=1..040dqq=..00===================================================================================環(huán)號=10閉合差=--.001-----------------------------------------------------------------------------------管段號管長管徑流速流量1000II水頭損失ssq(米)(毫米)(米/秒)(升/秒)(米)-----------------------------------------------------------------------------------14-176272001..4144.11914.6119.16.2207317-18741250..97-47.3386.244--4.62.009761858-1111.6810..88-5.888.0526614-15764250..4823.6671.7551.34.00565sqtotaal=..414dqq=..00===================================================================================附：附平差圖((二)３．事故時流量量初步分配事故時1-3管管段斷開，70％的設(shè)計流流量（即683.22L/s）送向管網(wǎng)網(wǎng)。事故初步流量分分配環(huán)編號管長管徑流量初步分配影響0.019421-5720600358.33215-6645250-40.2136-2894600-288.177211-2490600-300.60021434-7535400-15.10217-8623300-60.5448-51096500-275.89934-5100930060.3021445-81096500275.8928-9478250-36.3159-61107600-140.411216-564525040.211457-108894003.792110-11584200-30.28611-8933400-185.88858-761330060.542468-11933400185.88411-12457250-37.81712-9950500-140.411219-847825036.3134710-13689300-10.882113-14617300-60.68814-11705350-135.588710-1158420030.284481158614-15764250-30.21915-12945400-77.362111-1245725037.8154913-16737200-7.82116-17535100-28.562117-14627200-56.38914-1361730060.68641014-1762720056.38817-18741250-6.562118-15540300-20.072114-1576425030.217管網(wǎng)平差結(jié)果（三三）：平差表表（三）===================================================================================迭代次次數(shù)=18===================================================================================環(huán)號=1閉合差=--.001-----------------------------------------------------------------------------------管段號管長管徑流速流量1000II水頭損失ssq(米)(毫米)(米/秒)(升/秒)(米)-----------------------------------------------------------------------------------1-5720060011.33376..313.1142.266..00605-6645250..3215.770.844.54.003446-38944600.96-270..191.996-1.755..00653-14906001..00--282.6622.133--1.05.00037sqtotaal=..051dqq=-..01===================================================================================環(huán)號=2閉合差=--.004-----------------------------------------------------------------------------------管段號管長管徑流速流量1000II水頭損失ssq(米)(毫米)(米/秒)(升/秒)(米)-----------------------------------------------------------------------------------4-755354000.122114.83.08..04.002287-862333001.110--77.7336.28-33.91.055038-51096650011.06-208..033.001-3.300..01595-41009930011.2890..237.1107.177..0794sqtotaal=..148dqq=-..01===================================================================================環(huán)號=3閉合差=.000-----------------------------------------------------------------------------------管段號管長管徑流速流量1000II水頭損失ssq(米)(毫米)(米/秒)(升/秒)(米)-----------------------------------------------------------------------------------5-81096650011.06208..033.0013.300..01598-94788250.72-35..533.667-1.755..04939-611077600.63-178..34.991-1.011..00576-56455250.32-15..70.884-.544..0344sqtotaal=..105dqq=..00===================================================================================環(huán)號=4閉合差=--.006-----------------------------------------------------------------------------------管段號管長管徑流速流量1000II水頭損失ssq(米)(毫米)(米/秒)(升/秒)(米)-----------------------------------------------------------------------------------7-1088894000.41500.91..69.662.0121110-1155842000.644-119.9833.87-2..26.1133011-899334000.800-1000.0522.37-2..21.022218-76133001..1077.7736.2883.85.00495sqtotaal=..197dqq=-..02===================================================================================環(huán)號=5閉合差=--.003-----------------------------------------------------------------------------------管段號管長管徑流速流量1000II水頭損失ssq(米)(毫米)(米/秒)(升/秒)(米)-----------------------------------------------------------------------------------8-119334400.8801100.0552.3722.21.0222111-1244572550.755-336.9433.94-1..80.0488712-999505000.911-1779.1222.28-2..17.012219-84788250.7235..533.6671.755..0493sqtotaal=..132dqq=-..01===================================================================================環(huán)號=6閉合差=--.008-----------------------------------------------------------------------------------管段號管長管徑流速流量1000II水頭損失ssq(米)(毫米)(米/秒)(升/秒)(米)-----------------------------------------------------------------------------------10-1368893000.37255.94..84.558.0224413-1461173000.68-488.352..61-1.661.0333314-1170053500.62-599.181..76-1.224.0209911-1058842000.64199.983..872.226.11300sqtotaal=..190dqq=-..02===================================================================================環(huán)號=7閉合差=.001-----------------------------------------------------------------------------------管段號管長管徑流速流量1000II水頭損失ssq(米)(毫米)(米/秒)(升/秒)(米)----------------------------------------------------------------------------------4111335.5877.095..00.0366814-1577642550.855-441.9544.98-3..80.0900715-1299454000.933-1116.9433.16-2..99.0255612-1144572550.755336.9433.941..80.04887sqtotaal=..202dqq=..00===================================================================================環(huán)號=8閉合差=--.001-----------------------------------------------------------------------------------管段號管長