【T市某给水工程设计9900字（论文）】

)配水井至混合池连接管线水头损失沿程水头损失沿程水头损失为： 局部水头损失则管路局部水头损失为： 总水头损失： 机械混合池至机械絮凝池连接管水头损失沿程水头损失沿程水头损失为： 沿程水头损失为： 局部水头损失管路局部水头损失为： 总水头损失 絮凝池至沉淀池水头损失为配水花墙水头损失0.1m。平流沉淀池至普通快滤池连接管线水头损失沿程水头损失沿程水头损失为： 沿程水头损失为： 局部水头损失管路局部水头损失为： 总水头损失 普通快滤池至清水池连接管水头损失沿程水头损失沿程水头损失为： 沿程水头损失为： 局部水头损失管路局部水头损失为： 总水头损失 清水池至吸水池连接管线水头损失沿程水头损失沿程水头损失为：局部水头损失管路局部水头损失为： 总水头损失处理构筑物高程确定表4.2净水构筑物水位标高计算名称水头损失（m）水位标高（m）连接管段构筑物沿程及局部构筑物吸水井163.91清水池至二泵房吸水井0.792清水池0.3165.00普通快滤池至清水池0.284普通快滤池2.5168.08沉淀池至普通快滤池0.147沉淀池0.3168.53絮凝池至沉淀池0.1絮凝池0.1168.73机械混合池至絮凝池0.212机械混合池0.3169.24配水井至混合池0.101配水井0.12172.383.4.2.2处理构筑物高程确定当各项水头损失确定以后，便可进行构筑物的高程布置。新水厂地面标高为165.00m左右。给水方案的确定和管网的定线以及各种计算4.1给水方案的确定水源定在河流上游，水质较好；净水厂设置在河流上游，方便取水，也方便供水到城市。4.2管网定线图4管网定线4.3配水干管的有效长度计算总的有效长度为∑L=48000m表

6各管段长度和配水长度管道编号管长(m)有效管长（m）管道编号管长(m)有效管长（m）JS1-JS2514.2380.000JS18-JS19872.305872.305JS2-JS3698.882349.441JS18-JS39861.972861.972JS2-JS25591.065591.065JS19-JS20902.266902.266JS3-JS41465.347732.674JS20-JS21597.164597.164JS3-JS26587.413587.413JS20-JS37511.383511.383JS4-JS51159.991579.996JS20-JS39858.191858.191JS4-JS27576.454576.454JS21-JS22762.142762.142JS5-JS6708.283354.142JS21-JS36524.867524.867JS5-JS28600.543600.543JS22-JS23737.959737.959JS6-JS71059.337529.669JS23-JS24894.928894.928JS6-JS29522.152522.152JS23-JS36805.935805.935JS7-JS8336.810336.810JS24-JS251022.1291022.129JS8-JS9623.181623.181JS24-JS35766.224766.224JS8-JS291039.3651039.365JS25-JS26684.502684.502JS9-JS10890.960890.960JS26-JS271483.5961483.596JS9-JS301074.6071074.607JS26-JS34802.176802.176JS10-JS11715.606715.606JS27-JS281150.0161150.016JS10-JS13991.275991.275JS27-JS32809.577809.577JS11-JS12899.200899.200JS28-JS29668.623668.623JS12-JS13693.667693.667JS28-JS31781.987781.987JS13-JS14556.663556.663JS29-JS30731.436731.436JS13-JS30858.408858.408JS30-JS31614.991614.991JS14-JS151068.5371068.537JS31-JS321138.6011138.601JS14-JS31844.804844.804JS32-JS33851.281851.281JS14-JS331118.9681118.968JS32-JS341404.9531404.953JS15-JS16279.232279.232JS35-JS361078.0811078.081JS15-JS391121.1531121.153JS36-JS37570.102570.102JS16-JS17845.985845.985JS37-JS38843.983843.983JS17-JS181316.5741316.574JS38-JS39487.163487.1634.4比流量计算4.5最高时管段沿线流量分配管段i~j的沿线流量为:qi~j=qsli~j各管段的沿线流量计算如下表:表7沿线流量分配管道编号管长

(m)有效管长

（m）比流量沿线流量

（L/S）JS1-JS2514.2380.0000.0730.000JS2-JS3698.882349.4410.07325.509JS2-JS25591.065591.0650.07343.148JS3-JS41465.347732.6740.07353.485JS3-JS26587.413587.4130.07342.881JS4-JS51159.991579.9960.07342.340JS4-JS27576.454576.4540.07342.081JS5-JS6708.283354.1420.07325.852JS5-JS28600.543600.5430.07343.840JS6-JS71059.337529.6690.07338.666JS6-JS29522.152522.1520.07338.117JS7-JS8336.810336.8100.07324.587JS8-JS9623.181623.1810.07345.492JS8-JS291039.3651039.3650.07375.874JS9-JS10890.960890.9600.07365.040JS9-JS301074.6071074.6070.07378.446JS10-JS11715.606715.6060.07352.239JS10-JS13991.275991.2750.07372.363JS11-JS12899.200899.2000.07365.642JS12-JS13693.667693.6670.07350.638JS13-JS14556.663556.6630.07340.636JS13-JS30858.408858.4080.07362.664JS14-JS151068.5371068.5370.07378.003JS14-JS31844.804844.8040.07361.671JS14-JS331118.9681118.9680.07381.685JS15-JS16279.232279.2320.07320.384JS15-JS391121.1531121.1530.07381.844JS16-JS17845.985845.9850.07361.757JS17-JS181316.5741316.5740.07396.110JS18-JS19872.305872.3050.07363.678JS18-JS39861.972861.9720.07362.924JS19-JS20902.266902.2660.07365.865JS20-JS21597.164597.1640.07343.593JS20-JS37511.383511.3830.07337.331JS20-JS39858.191858.1910.07362.648JS21-JS22762.142762.1420.07355.636JS21-JS36524.867524.8670.07338.315JS22-JS23737.959737.9590.07353.871JS23-JS24894.928894.9280.07365.330JS23-JS36805.935805.9350.07358.833JS24-JS251022.1291022.1290.07374.615JS24-JS35766.224766.2240.07355.934JS25-JS26684.502684.5020.07349.969JS26-JS271483.5961483.5960.073108.303JS26-JS34802.176802.1760.07358.559JS27-JS281150.0161150.0160.07383.951JS27-JS32809.577809.5770.07359.099JS28-JS29668.623668.6230.07348.809JS28-JS31781.987781.9870.07357.085JS29-JS30731.436731.4360.07353.395JS30-JS31614.991614.9910.07344.894JS31-JS321138.6011138.6010.07383.118JS32-JS33851.281851.2810.07362.144JS32-JS341404.9531404.9530.073102.562JS35-JS361078.0811078.0810.07378.700JS36-JS37570.102570.1020.07341.617JS37-JS38843.983843.9830.07361.611JS38-JS39487.163487.1630.07335.5634.6节点设计流量计算各节点的节点流量计算表如下表8节点设计流量计算节点编号节点流量(L/s)JS1-3689.890JS284.708JS3100.536JS4116.983JS590.202JS683.661JS751.011JS873.050JS994.584JS1094.917JS1159.000JS1258.198JS13113.264JS14131.129JS1590.206JS1641.112JS1779.013JS18111.468JS1964.837JS20104.824JS2168.841JS2254.809JS2389.107JS24184.848JS2583.950JS26206.376JS27146.865JS28116.960JS29108.206JS30119.820JS31123.508JS32153.615JS3371.986JS3480.641JS3567.385JS36108.842JS3770.350JS3869.466JS39121.6124.7环状管网流量分配和初拟管径初分流量初拟管径表如下表所示：表9初分流量初拟管径表管道编号管径(mm)管长(m)流量(L/s)JS1-JS22000514.2383689.890JS2-JS31600698.8822268.698JS2-JS251200591.0651336.484JS3-JS412001465.3471006.633JS3-JS261200587.4131161.529JS4-JS59001159.991705.999JS4-JS27500576.454183.651JS5-JS6800708.283549.122JS5-JS28300600.54366.675JS6-JS76001059.337279.756JS6-JS29500522.152185.705JS7-JS8600336.810228.745JS8-JS9500623.181179.236JS8-JS292501039.36523.541JS9-JS10350890.96085.300JS9-JS301501074.6070.648JS10-JS11150715.60611.357JS10-JS13200991.27520.974JS11-JS12250899.20047.643JS12-JS13400693.667105.841JS13-JS14600556.663255.695JS13-JS30250858.40815.616JS14-JS155001068.537166.176JS14-JS31350844.80443.564JS14-JS338001118.968509.436JS15-JS16400279.232102.191JS15-JS392501121.15326.221JS16-JS17300845.98561.079JS17-JS182001316.57417.934JS18-JS19250872.30520.618JS18-JS39400861.972108.784JS19-JS20350902.26685.455JS20-JS21250597.16420.813JS20-JS37600511.383254.031JS20-JS39300858.19142.940JS21-JS22300762.14236.624JS21-JS36150524.86711.404JS22-JS23350737.95991.433JS23-JS241000894.928870.149JS23-JS36900805.935689.609JS24-JS2512001022.1291160.544JS24-JS35400766.224105.547JS25-JS26500684.50291.989JS26-JS274001483.59674.576JS26-JS341200802.176972.567JS27-JS283501150.01678.724JS27-JS32300809.57732.638JS28-JS29300668.62311.232JS28-JS31250781.98717.207JS29-JS30300731.43665.190JS30-JS31250614.99139.662JS31-JS325001138.601189.527JS32-JS33800851.281581.422JS32-JS3410001404.953891.926JS35-JS363501078.08138.162JS36-JS37900570.102607.525JS37-JS38600843.983283.144JS38-JS39600487.163213.6784.8管网平差计算平差计算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)JS1-3689.890100.559145.16144.602JS284.708100.985144.77043.785JS3100.536102.403144.17641.773JS4116.983103.817143.00139.184JS590.202104.983141.05936.076JS683.661105.681139.75034.069JS751.011106.400137.50431.104JS873.050105.819137.01331.194JS994.584104.936135.63730.701JS1094.917103.192132.91029.718JS1159.000101.853129.85328.000JS1258.198101.000134.71933.719JS13113.264102.398136.44134.043JS14131.129101.798137.46835.670JS1590.206100.185135.81435.629JS1641.112100.045135.13335.088JS1779.013101.431131.91530.484JS18111.468103.041134.36131.320JS1964.837104.000135.42431.424JS20104.824102.371138.28435.913JS2168.841102.855137.63934.784JS2254.809103.823138.71434.891JS2389.107102.215141.36139.146JS24184.848100.508142.75042.242JS2583.950100.611143.86443.253JS26206.376101.505143.62842.123JS27146.865103.256141.68738.431JS28116.960104.337138.63534.298JS29108.206104.853138.52333.670JS30119.820103.847135.73331.886JS31123.508103.457138.11134.654JS32153.615102.252140.89438.642JS3371.986100.794139.20038.406JS3480.641100.623143.03242.409JS3567.385100.298140.81140.513JS36108.842101.965139.99538.030JS3770.350101.465139.22337.758JS3869.466100.304137.18936.885JS39121.612101.438136.47035.032平差计算管道参数管道编号管径(mm)管长(m)流量(L/s)流速(m/s)千米损失(m)管道损失(m)JS1-JS22000514.2383689.8901.1330.7610.391JS2-JS31600698.8822185.8831.0480.8500.594JS2-JS251200591.0651419.2991.2061.5330.906JS3-JS412001465.347999.8840.8500.8021.175JS3-JS261200587.4131085.4630.9220.9340.548JS4-JS59001159.991702.0461.0581.6741.942JS4-JS27500576.454180.8540.8722.2801.314JS5-JS6800708.283545.8681.0391.8481.309JS5-JS28300600.54365.9760.8694.0362.424JS6-JS76001059.337278.3410.9372.1202.246JS6-JS29500522.152183.8660.8862.3501.227JS7-JS8600336.810227.3300.7651.4580.491JS8-JS9500623.181177.7870.8572.2091.376JS8-JS292501039.36523.5070.4461.4531.510JS9-JS10350890.96084.5840.8223.0602.726JS9-JS301501074.6071.3810.0720.0900.096JS10-JS11150715.60611.1480.5834.2723.057JS10-JS13200991.27521.4810.6323.5623.531JS11-JS12250899.20047.8520.9085.4114.866JS12-JS13400693.667106.0500.7952.4831.722JS13-JS14600556.663258.1060.8691.8441.027JS13-JS30250858.40817.3110.3290.8250.708JS14-JS155001068.537146.6830.7071.5471.654JS14-JS31350844.80439.8730.3870.7610.643JS14-JS338001118.968496.0450.9441.5481.732JS15-JS16400279.232105.0140.7882.4380.681JS15-JS394001121.15348.5370.3640.5850.656JS16-JS17300845.98563.9020.8413.8053.219JS17-JS182001316.57415.1110.4451.8582.446JS18-JS19250872.30521.3730.4061.2181.063JS18-JS39400861.972105.2060.7892.4462.109JS19-JS20350902.26686.2100.8383.1702.860JS20-JS21250597.16420.0220.3801.0800.645JS20-JS37600511.383257.5650.8671.8370.939JS20-JS39300858.19146.5100.6122.1141.814JS21-JS22300762.14237.3680.4921.4101.075JS21-JS36150524.86711.4510.5994.4902.356JS22-JS23350737.95992.1770.8963.5882.648JS23-JS241000894.928888.0541.0851.5521.389JS23-JS36900805.935706.7701.0661.6951.366JS24-JS2512001022.1291180.0371.0031.0901.114JS24-JS35400766.224107.1350.8042.5301.939JS25-JS26700684.502155.3120.3860.3450.236JS26-JS274001483.59675.0080.5631.3081.941JS26-JS341200802.176959.3910.8150.7430.596JS27-JS283501150.01678.3060.7612.6533.051JS27-JS32300809.57730.6910.4040.9800.793JS28-JS29300668.62311.8380.1560.1680.112JS28-JS31250781.98715.4850.2940.6710.525JS29-JS30300731.43663.9910.8423.8142.790JS30-JS31250614.99139.8990.7573.8662.378JS31-JS325001138.601187.7950.9052.4442.783JS32-JS33800851.281568.0311.0811.9891.694JS32-JS3410001404.953878.7501.0731.5222.138JS35-JS363501078.08139.7500.3860.7570.816JS36-JS37900570.102626.2270.9441.3550.772JS37-JS38600843.983298.3111.0042.4102.034JS38-JS39600487.163228.8450.7701.4760.719由平差结果可看出，经过流量的校正，每个管段的管径都满足最小流速和经济流速。4.9管网平差结果的校核得出就为各个节点的自由水头和节点水压。4.9.1消防校核最高用用水时加消防时各节点流量为在最高用水时各节点流量的基础上给予7节点和17节点每节点75L/s的消防用水量。经过各管段的流量分配与调整，管网水力计算如下：平差计算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)JS1-3839.890100.559134.32533.766JS284.708100.985133.90432.919JS3100.536102.403133.25830.855JS4116.983103.817131.93528.118JS590.202104.983129.66224.679JS683.661105.681128.06922.388JS7126.011106.400124.82218.422JS873.050105.819124.38518.566JS994.584104.936123.10018.164JS1094.917103.192120.56217.370JS1159.000101.853117.99016.137JS1258.198101.000123.04422.044JS13113.264102.398124.79722.399JS14131.129101.798125.85224.054JS1590.206100.185123.37023.185JS1641.112100.045121.85721.812JS17154.013101.431111.43110.000JS18111.468103.041122.03718.996JS1964.837104.000123.68419.684JS20104.824102.371126.90524.534JS2168.841102.855126.36323.508JS2254.809103.823127.52723.704JS2389.107102.215130.26228.047JS24184.848100.508131.75731.249JS2583.950100.611132.93932.328JS26206.376101.505132.67631.171JS27146.865103.256130.57327.317JS28116.960104.337127.13322.796JS29108.206104.853126.84721.994JS30119.820103.847124.03320.186JS31123.508103.457126.67123.214JS32153.615102.252129.70227.450JS3371.986100.794127.81427.020JS3480.641100.623132.03131.408JS3567.385100.298129.71129.413JS36108.842101.965128.77226.807JS3770.350101.465127.91326.448JS3869.466100.304125.52125.217JS39121.612101.438124.63523.197平差计算管道参数管道编号管径(mm)管长(m)流量(L/s)流速(m/s)千米损失(m)管道损失(m)JS1-JS22000514.2383839.8901.1790.8190.421JS2-JS31600698.8822287.3701.0960.9240.646JS2-JS251200591.0651467.8121.2471.6320.964JS3-JS412001465.3471065.9090.9060.9031.323JS3-JS261200587.4131120.9250.9530.9910.582JS4-JS59001159.991764.5441.1531.9602.273JS4-JS27500576.454184.3820.8892.3631.362JS5-JS6800708.283606.8411.1552.2481.592JS5-JS28300600.54367.5010.8894.2102.529JS6-JS76001059.337339.6901.1443.0653.247JS6-JS29500522.152183.4900.8842.3421.223JS7-JS8600336.810213.6790.7191.3000.438JS8-JS9500623.181171.2480.8252.0611.284JS8-JS292501039.36530.6190.5812.3692.462JS9-JS10350890.96081.3740.7912.8492.538JS9-JS301501074.6074.7100.2460.8680.932JS10-JS11150715.60610.1540.5313.5952.572JS10-JS13200991.27523.6980.6974.2724.234JS11-JS12250899.20048.8460.9275.6215.054JS12-JS13400693.667107.0440.8032.5261.752JS13-JS14600556.663262.0410.8821.8961.056JS13-JS30250858.40818.0360.3420.8900.764JS14-JS155001068.537182.6980.8802.3232.482JS14-JS31350844.80445.4210.4410.9690.818JS14-JS338001118.968530.4471.0091.7531.961JS15-JS16400279.232161.7341.2135.4201.514JS15-JS394001121.15369.2420.5191.1281.265JS16-JS17300845.985120.6221.58812.32410.426JS17-JS182001316.57433.3910.9838.05610.606JS18-JS19250872.30527.0880.5141.8891.647JS18-JS39400861.972117.7710.8833.0142.598JS19-JS20350902.26691.9250.8933.5703.221JS20-JS21250597.16418.2360.3460.9080.542JS20-JS37600511.383267.4880.9001.9701.007JS20-JS39300858.19152.5030.6912.6452.270JS21-JS22300762.14239.0160.5141.5271.164JS21-JS36150524.86711.5890.6064.5902.409JS22-JS23350737.95993.8250.9123.7072.736JS23-JS241000894.928923.8921.1281.6701.494JS23-JS36900805.935740.9601.1171.8491.490JS24-JS2512001022.1291219.0221.0361.1571.183JS24-JS35400766.224110.2820.8272.6692.045JS25-JS26700684.502164.8400.4090.3850.263JS26-JS274001483.59678.3260.5881.4172.103JS26-JS341200802.1761001.0630.8510.8040.645JS27-JS283501150.01683.5490.8122.9913.440JS27-JS32300809.57732.2940.4251.0760.871JS28-JS29300668.62319.6250.2580.4280.286JS28-JS31250781.98714.4650.2750.5920.463JS29-JS30300731.43664.2900.8463.8472.814JS30-JS31250614.99142.2040.8014.2892.638JS31-JS325001138.601196.6690.9482.6623.031JS32-JS33800851.281602.4331.1462.2181.888JS32-JS3410001404.953920.4221.1241.6582.329JS35-JS363501078.08142.8970.4170.8710.940JS36-JS37900570.102663.4261.0001.5070.859JS37-JS38600843.983325.5881.0962.8342.392JS38-JS39600487.163256.1220.8621.8180.886大环经计算闭合差小于1m，满足要求。从表格中可以看出，管网各节点的实际自由水头都满足H>10m，符合消防要求。4.9.2事故校核取JS2-JS25为事故管段。发生事故时供水流量为最高时的70%。经过各管段的流量分配与调整，管网水力计算如下：平差计算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)JS1-2582.923100.559142.46941.910JS259.296100.985142.26741.282JS370.375102.403141.49239.089JS481.888103.817140.78036.963JS563.141104.983139.65834.675JS658.563105.681138.89633.215JS735.708106.400137.62531.225JS851.135105.819137.34131.522JS966.209104.936136.52431.588JS1066.442103.192134.88031.688JS1141.300101.853132.75630.903JS1240.739101.000135.08634.086JS1379.285102.398135.94733.549JS1491.790101.798136.37634.578JS1563.144100.185133.66133.476JS1628.778100.045133.27133.226JS1755.309101.431131.30629.875JS1878.028103.041131.79928.758JS1945.386104.000132.00028.000JS2073.377102.371133.20730.836JS2148.189102.855132.70529.850JS2238.366103.823133.13929.316JS2362.375102.215134.38232.167JS24129.394100.508134.93534.427JS2558.765100.611135.40134.790JS26144.463101.505140.24838.743JS27102.805103.256139.74636.490JS2881.872104.337138.12433.787JS2975.744104.853138.11333.260JS3083.874103.847135.96532.118JS3186.456103.457137.13333.676JS32107.531102.252138.65136.399JS3350.390100.794137.54536.751JS3456.449100.623139.90239.279JS3547.169100.298134.10733.809JS3676.189101.965133.86831.903JS3749.245101.465133.60132.136JS3848.626100.304133.08432.780JS3985.128101.438132.94631.508平差计算管道参数管道编号管径(mm)管长(m)流量(L/s)流速(m/s)千米损失(m)管道损失(m)JS1-JS22000514.2382582.9230.7930.3930.202JS2-JS31600698.8822523.6271.2091.1080.775JS3-JS412001465.347762.7920.6480.4860.712JS3-JS261200587.4131690.4601.4372.1191.245JS4-JS59001159.991522.0320.7870.9671.122JS4-JS27500576.454158.8720.7661.7941.034JS5-JS6800708.283407.3820.7751.0760.762JS5-JS28300600.54351.5090.6782.5531.533JS6-JS76001059.337204.6150.6891.2001.271JS6-JS29500522.152144.2040.6951.4990.783JS7-JS8600336.810168.9070.5690.8420.283JS8-JS9500623.181134.1270.6461.3110.817JS8-JS292501039.36516.3540.3100.7420.772JS9-JS10350890.96064.3480.6251.8451.644JS9-JS301501074.6073.5700.1870.5200.558JS10-JS11150715.6069.1560.4792.9682.124JS10-JS13200991.27511.2500.3311.0761.067JS11-JS12250899.20032.1440.6102.5922.331JS12-JS13400693.66772.8830.5471.2400.860JS13-JS14600556.663161.0070.5420.7700.429JS13-JS30250858.4082.4100.0460.0210.018JS14-JS155001068.537191.7440.9242.5402.714JS14-JS31350844.80443.5590.4230.8960