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B7#住宅樓的最高日用水量、排水量的計(jì)算。最高日用水量的計(jì)算:Qd=qiNi/1000=300*3。5*(6*11)/1000=69.3(m3/d)平均時(shí)用水量的計(jì)算:Qcp=Qd*/Ti=69.3*/24=2.89(m3/h)最大時(shí)用水量的計(jì)算:Qcp=Qd*Ki/Ti=69.3*2.5/24=7.22(m3/h)最高日用水量的計(jì)算:Qp=0。9*Qd=0.9*69.3=62。37(m3/d)系統(tǒng)名稱(chēng):給水-住宅低區(qū)部分建筑名稱(chēng):住宅用水定額:300(L/人.d)用水人數(shù):3.5(人)總當(dāng)量:6。45變化系數(shù)Kh:2。50Uo值:2.36掌握流速:DN15-DN20≤1.0m/sDN25—DN40≤1.2m/sDN50-DN70≤1.5m/sDN80-≤1.8m/s管道材質(zhì):給水塑料管(UPVC)0。6MPa末端壓力:0.050(MPa)計(jì)算公式:非自閉沖洗閥公式前編號(hào)后編號(hào)當(dāng)量(N)流量(l/s)管徑(DN)流速(m/s)坡度(MPa/m)管長(zhǎng)(m)出流概率Uo(%)系數(shù)αc值水損(MPa)前壓(MPa)后壓(MPa)121.000.20150.990.000901.202.360.013940。00110。05000。0511231.500.25200.650.000281.502.360.013940.00040。05110.0515342.250。30200.800.000421.702.360。013940。00070。05150。0522453.000.35200。930。0005512.502.360。013940.00680。05220.0590564.000.41250。620.000198.002.360。013940.00150.05900.0605678.000。59250。890。000360.302.360.013940.00010.06050.06067812.000.72320.710。000192.602.360.013940.00050。06060.06118920。000.95320。930.000310。302.360.013940。00010.06110。061291024.001.04400。630.000112.602.360.013940.00030。06120.0615101132.001.22400.730.000150.302.360.013940。00000。06150.0615111236.001。30400.780。000172.602.360.013940。00040。06150.0620121344.001.44400.870.000200.302.360.013940.00010.06200.0620131448。001.51400.910.000222.602。360.013940.00060.06200。0626141556.001.65400。990。000260。302。360。013940。00010。06260.0627151660。001。71500.650.000092.602.360.013940.00020.06270.0629161768.001.83500.690。000100.302.360.013940.00000。06290.0630171872.001。89500.710.0001112。602。360.013940。00140。06300.0643住宅低區(qū)給水系統(tǒng):所需的壓力H=H1+H2+H3+H4=1。3*(6。92-5)+18.7+4+5=30.196mH2O系統(tǒng)名稱(chēng):給水-住宅中區(qū)部分建筑名稱(chēng):住宅用水定額:300(L/人.d)用水人數(shù):3。5(人)總當(dāng)量:6。45變化系數(shù)Kh:2。50Uo值:2.36掌握流速:DN15-DN20≤1.0m/sDN25-DN40≤1.2m/sDN50-DN70≤1。5m/sDN80-≤1.8m/s管道材質(zhì):給水塑料管(UPVC)0.6MPa末端壓力:0。050(MPa)計(jì)算公式:非自閉沖洗閥公式前編號(hào)后編號(hào)當(dāng)量(N)流量(l/s)管徑(DN)流速(m/s)坡度(MPa/m)管長(zhǎng)(m)出流概率Uo(%)系數(shù)αc值水損(MPa)前壓(MPa)后壓(MPa)121.000.20150。990。000901.202.360.013940。00110.05000.0511231.500。25200。650.000281.502.360.013940。00040.05110.0515342.250.30200.800。000421。702.360.013940.00070。05150.0522453。000。35200。930.0005512.502.360.013940。00680.05220。0590564。000。41250。620.000198.002.360.013940.00150。05900.0605678。000。59250.890.000360.302.360.013940.00010.06050。06067812.000。72320.710.000192。602.360。013940.00050.06060.06118920。000.95320。930。000310。302.360。013940.00010。06110。061291024。001.04400.630.000112。602。360.013940.00030。06120.0615101132.001。22400.730。000150.302.360.013940.00000.06150.0615111236.001.30400。780.000172.602。360。013940.00040.06150.0620121344。001.44400.870.000200。302.360.013940.00010.06200。0620131448.001.51400。910.000222.602.360。013940.00060.06200.0626141556。001.65400.990。000260。302。360.013940.00010.06260.0627151660。001.71500。650.000092.602.360。013940.00020.06270.0629161768。001.83500.690。000100。302.360.013940.00000.06290.0630171872.001.89500.710.0001122。602.360.013940.00240.06300.0654系統(tǒng)名稱(chēng):給水-住宅高區(qū)部分建筑名稱(chēng):住宅用水定額:300(L/人.d)用水人數(shù):3.5(人)總當(dāng)量:6.45變化系數(shù)Kh:2.50Uo值:2.36掌握流速:DN15—DN20≤1.0m/sDN25-DN40≤1。2m/sDN50—DN70≤1.5m/sDN80-≤1。8m/s管道材質(zhì):給水塑料管(UPVC)0.6MPa末端壓力:0.050(MPa)計(jì)算公式:非自閉沖洗閥公式前編號(hào)后編號(hào)當(dāng)量(N)流量(l/s)管徑(DN)流速(m/s)坡度(MPa/m)管長(zhǎng)(m)出流概率Uo(%)系數(shù)αc值水損(MPa)前壓(MPa)后壓(MPa)121.000。20150。990.000901.202。360.013940.00110.05000。0511231.500.25200.650。000281。502.360.013940.00040.05110。0515342。250.30200.800。000421.702.360。013940.00070.05150.0522453.000.35200.930.0005512。502.360.013940.00680。05220。0590564.000.41250。620。000198。002。360.013940。00150.05900。0605678。000.59250.890。000360。302.360。013940.00010。06050.06067812.000.72251。100。000542.602.360.013940。00140.06060.06208920.000.95320.930.000310.302。360.013940。00010.06200.062191024.001.04321.020。000372。602.360.013940.00100.06210.0631101132。001。22321.190。000490.302.360.013940.00010.06310.0632111236.001.30400.780.000172。602。360.013940。00040。06320.0637121344.001.44400.870。000200.302.360.013940.00010.06370。0637131448.001。51400.910。0002245.002.360.013940.01000.06370。0737系統(tǒng)名稱(chēng):污水—住宅部分污水系統(tǒng)一建筑名稱(chēng):住宅的廚房立管通氣:專(zhuān)用通氣管橫管類(lèi)型:無(wú)環(huán)形通氣管α值:1。5管道材質(zhì):排水塑料管最大的一個(gè)衛(wèi)生潔具的排水流量:1.0(l/s)前編號(hào)后編號(hào)當(dāng)量(Ng)流量(l/s)管徑(DN)布滿(mǎn)度h/D流速(m/s)坡度(m/m)122.000.66500.4980.800。020232。000.66110344。001.32110456。001.44110568。001.511106710.001.571107812。001.621108914.001.6711091016。001.72110101118.001。76110111220.001.80110121322。001.84110131424.001。88110141526。001.92110151626.001.921250.4180。440.002系統(tǒng)名稱(chēng):污水-住宅排出系統(tǒng)二建筑名稱(chēng):住宅的衛(wèi)生間立管通氣:專(zhuān)用通氣管橫管類(lèi)型:無(wú)環(huán)形通氣管α值:1.5管道材質(zhì):排水塑料管最大的一個(gè)衛(wèi)生潔具的排水流量:2。0(l/s)前編號(hào)后編號(hào)當(dāng)量(Ng)流量(l/s)管徑(DN)布滿(mǎn)度h/D流速(m/s)坡度(m/m)124.501。491100.4430.410.002236.001.981100.2621.130。026347。202.381104514.402.681105621。602.841106728。802。971107836。003.081108943.203.1811091050。403。28110101157.603.37110111264。803.45110121372.003。53110131479.203.60110141586。403.67110151686。403。671250.4970。670。004室內(nèi)消火栓系統(tǒng):水源由本小區(qū)地下室消防水泵供應(yīng),消火栓給水系統(tǒng)均接受下行上給的供水方式.依據(jù)規(guī)范室內(nèi)消防用水量為10L/s,每根豎管最小流量10L/s,同時(shí)使用水槍數(shù)為2支。消火栓接受雙閥雙出口消火栓,消火栓口徑為DN65,水帶長(zhǎng)度25m,水槍口徑為φ19,每支水槍最小流量5L/s。系統(tǒng)圖見(jiàn)施工圖.1、消火栓保護(hù)間距水槍充實(shí)水柱:Sk=H/sin45H-建筑物層高.?負(fù)一層Sk=H/sin45=3。6/0.707=5。09?。?m標(biāo)準(zhǔn)層Sk=H/sin45=2。9/0.707=4.11取10m消火栓保護(hù)半徑:R=Ld+Ls=25×0.85+0.707Sk=25.36mLd—水龍帶敷設(shè)長(zhǎng)度,折減系數(shù)取0。8.Ls-水槍射流上傾角按45。計(jì)算時(shí),Ls=0.707SkSk-水槍充實(shí)水柱長(zhǎng)度,為10m.負(fù)一層R=25×0。85+0.707×10=28.32標(biāo)準(zhǔn)層R=25×0.85+0.707×10=28.322、消火栓栓口所需壓力栓口所需壓力:HXh=Hq+hdHq—水槍噴嘴造成某充實(shí)水柱所需之水壓。hd-水流通過(guò)水龍帶的損失.形成充實(shí)水柱所需壓力:Hq=qXh2/B=5。02/1.577=15.86mqXh-水槍流量,當(dāng)充實(shí)水柱為15.86m時(shí),流量為5.0L/s。β—水流特性系數(shù),當(dāng)水槍口徑為φ19時(shí)為1。577水龍帶的損失:hd=AZLqXh2=0.00172×25×5.02=1.08mL—水龍帶長(zhǎng)度,?。?m.AZ—水龍帶阻力系數(shù),DN65襯膠水龍帶為0.00172。消

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