五層教學(xué)樓給水排水工程設(shè)計(jì)計(jì)算書(shū)姚(共18頁(yè))

1、精選優(yōu)質(zhì)文檔-傾情為你奉上課程設(shè)計(jì)報(bào)告書(shū)課程名稱(chēng)： 教學(xué)樓建筑給水排水工程設(shè)計(jì) 學(xué) 院： 土木工程學(xué)院 專(zhuān) 業(yè)班級(jí):11給排水科學(xué)與工程(1)班 學(xué)生姓名： 姚雨翔 學(xué) 號(hào)： 指導(dǎo)教師： 張小妮 完成時(shí)間： 2014年5月30日 課程設(shè)計(jì)任務(wù)書(shū)設(shè)計(jì)（論文）中文題目： 重慶某高校教學(xué)樓建筑給水排水工程設(shè)計(jì) 設(shè)計(jì)（論文）的主要內(nèi)容與要求：根據(jù)上級(jí)有關(guān)部門(mén)批準(zhǔn)的設(shè)計(jì)任務(wù)書(shū)，在重慶市永川區(qū)某高校擬建一幢5層的教學(xué)樓，建筑面積為19923.862 ，建筑高度23.5。要求完成該建筑的給水排水工程設(shè)計(jì)。即室內(nèi)外給水及消防給水工程設(shè)計(jì)，室內(nèi)外排水工程。設(shè)計(jì)應(yīng)符合國(guó)家現(xiàn)行規(guī)范的規(guī)定。該校區(qū)內(nèi)東南角上有一高地，

2、設(shè)有高地水池。校區(qū)內(nèi)設(shè)有獨(dú)立室外消防管網(wǎng)，水量水壓滿足室內(nèi)外消防用水要求。室外給水管網(wǎng)水壓0.4MPa，埋深0.7m,管徑DN100.規(guī)劃教學(xué)樓東側(cè)道路設(shè)有自北向南污水管道，埋深0.8m，管徑DN200繪制給水排水工程圖不少于6張。達(dá)到施工圖標(biāo)準(zhǔn)的工程圖不少于4張。設(shè)計(jì)（論文）的前期準(zhǔn)備工作：1）詳細(xì)了解設(shè)計(jì)深度、設(shè)計(jì)步驟，各個(gè)系統(tǒng)的布置特點(diǎn)，各種設(shè)備的布置特點(diǎn)等；2）熟悉設(shè)計(jì)的建筑圖，熟悉有關(guān)的國(guó)家規(guī)范（詳見(jiàn)參考文獻(xiàn)部分）等；3）查閱文獻(xiàn)資料，撰寫(xiě)開(kāi)題報(bào)告；選擇合適的外文文獻(xiàn)，做好外文翻譯工作。進(jìn) 度 安 排序號(hào)設(shè)計(jì)工作內(nèi)容時(shí)間（天）1完成譯文，熟悉設(shè)計(jì)資料，設(shè)計(jì)原始資料，確定各系統(tǒng)設(shè)計(jì)方案

3、22管道布置并繪制計(jì)算草圖23管網(wǎng)水力計(jì)算14繪制平面圖、系統(tǒng)圖、大樣圖及規(guī)定的詳圖25整理，編寫(xiě)說(shuō)明書(shū)和計(jì)算書(shū)26打印圖紙說(shuō)明計(jì)算書(shū)1主要參考文獻(xiàn)：1 太原工業(yè)大學(xué)等編建筑給水排水工程（第五版），中國(guó)建筑工業(yè)出版社，2005.8；2 楊文玲主編高層建筑給水排水工程，重慶大學(xué)出版社，1996年；3 張智等主編給水排水工程專(zhuān)業(yè)畢業(yè)設(shè)計(jì)指南，中國(guó)水利電力出版社，2001年3月；4 陳耀宗等主編建筑給水排水設(shè)計(jì)手冊(cè)，中國(guó)建筑工業(yè)出版社，1992年；5 姜文源主編建筑滅火設(shè)計(jì)手冊(cè)，中國(guó)建筑工業(yè)出版社，1997年；6. 核工業(yè)部第二研究設(shè)計(jì)院主編給水排水設(shè)計(jì)手冊(cè)第1、2、10、11冊(cè)，中國(guó)建筑工業(yè)出版社

4、，2001年；7. 全國(guó)通用給水排水標(biāo)準(zhǔn)圖集，S1，S2，S3；8建筑給水排水設(shè)計(jì)規(guī)范(GB50015-2003)，中國(guó)計(jì)劃出版社；9高層民用建筑設(shè)計(jì)防火規(guī)范(GB50045-95)，2005年版，中國(guó)計(jì)劃出版社；10建筑設(shè)計(jì)防火規(guī)范(GB50016-2006)，中國(guó)計(jì)劃出版社；11自動(dòng)噴火滅火系統(tǒng)設(shè)計(jì)規(guī)范(GB50084-2001)，2005年版，中國(guó)計(jì)劃出版社； 某教學(xué)樓給水排水工程設(shè)計(jì)計(jì)算書(shū)一設(shè)計(jì)說(shuō)明1.工程概況 本工程為重慶大學(xué)城市科技學(xué)院主教學(xué)樓 本工程建筑等級(jí)級(jí)，耐火等級(jí)：級(jí)，本工程抗震按度設(shè)防2.設(shè)計(jì)內(nèi)容 生活給水、生活排水。3.設(shè)計(jì)依據(jù) 建筑給水排水設(shè)計(jì)規(guī)范。 建筑給水排水設(shè)計(jì)

5、手冊(cè)給水排水制圖標(biāo)準(zhǔn) 建筑排水硬聚氯乙烯管道工程技術(shù)規(guī)程 建筑設(shè)備專(zhuān)業(yè)設(shè)計(jì)技術(shù)措施 05s1系列建筑標(biāo)準(zhǔn)設(shè)計(jì)圖集 建筑學(xué)專(zhuān)業(yè)提供的平面、立面和剖面圖4.系統(tǒng)劃分 給水系統(tǒng)：生活給水利用外網(wǎng)壓力直接供水。 排水系統(tǒng)5.管材生活冷水管道采用管，熱熔連接。排水管采用管（防酸），6.防腐及保溫 吊頂內(nèi)的給排水管道采用聚苯乙烯泡沫塑料制品保溫，保溫厚度：，7.設(shè)計(jì)參數(shù)單位用水定額：人，最高日生活用水量：噸日 最高小時(shí)生活用水量：噸小時(shí)，小時(shí)變化系數(shù)，8.其它說(shuō)明1本設(shè)計(jì)標(biāo)高以米計(jì)，其余以毫米計(jì)。2排水立管與排水出戶(hù)管連接處采用兩個(gè)度彎頭相連接，以利排水。3給水系統(tǒng)試驗(yàn)壓力0.6，詳見(jiàn)建筑給水排水及采暖工

6、程施工質(zhì)量驗(yàn)收規(guī)范（）的規(guī)定。4隱藏或埋地的排水管應(yīng)做閉水試驗(yàn)，其灌水高度不低于底層地面高度，滿水分鐘液面下降后，再灌滿延續(xù)分鐘，液面不下降為合格。5所有三通均采用度順?biāo)比ā?排水管凡遇彎均采用自帶清掃口的彎頭連接。7排水支管大于米增設(shè)伸縮節(jié)。8管道穿越外墻處設(shè)防水套管，管徑比相應(yīng)的管道直徑大兩號(hào)。9衛(wèi)生器具規(guī)格及型號(hào)： 公共衛(wèi)生間洗臉盆安裝圖見(jiàn)0530頁(yè)。 拖布池安裝圖見(jiàn)051頁(yè)，乙型。 蹲便器安裝圖見(jiàn)05134頁(yè)。 通氣帽高出相應(yīng)女兒墻10未盡事項(xiàng)見(jiàn)建筑給水排水及采暖工程施工質(zhì)量驗(yàn)收規(guī)范 （）二、設(shè)計(jì)資料1該教學(xué)樓共五層，層高4m，設(shè)男女衛(wèi)生間各一。男廁設(shè)蹲式大便器11個(gè)，洗臉盆6個(gè)，

7、污水盆2個(gè)。女廁設(shè)蹲式大便器11個(gè)，洗臉盆6個(gè)，污水盆2個(gè)。首層地面標(biāo)高為0.00，室外地面標(biāo)高為-0.30。2室外給水管道離外墻1.5m埋設(shè)，管徑DN100，管中心標(biāo)高為-1.0m，所提供的最低水壓為300kPa。3. 消防用水由室外消火栓給水管道提供，室外消火栓給水管道離外墻2.0m埋設(shè)，管徑DN100，管中心標(biāo)高為-1.0，所提供的水壓為395kPa。水帶長(zhǎng)度取20m。4. 室外污水管道離外墻3m，管徑為DN300，管內(nèi)底標(biāo)高為-1.50-1.6m；室外雨水管道離外墻4m，管徑為DN300，管內(nèi)底標(biāo)高為-1.80-2.0m。5min暴雨強(qiáng)度為520L/(s.萬(wàn)m)。三、設(shè)計(jì)計(jì)算過(guò)程（一）

8、建筑內(nèi)部給水系統(tǒng)設(shè)計(jì)計(jì)算1. 給水系統(tǒng)所需壓力估算計(jì)算層數(shù)=45/37，kPa，所提供的最低水壓為300kPa，仍考慮采用直接給水方式。2. 給水系統(tǒng)水力計(jì)算本建筑屬于教學(xué)樓，故給水管道設(shè)計(jì)秒流量計(jì)算公式采用，其中=1.8。本工程采用UPVC塑料給水管。衛(wèi)生器具當(dāng)量數(shù)確定：污水盆0.75，洗手盆0.5，小便器0.5，大便器延時(shí)自閉式?jīng)_洗閥6（計(jì)算時(shí)以0.5計(jì)，計(jì)算得到后附加1.2L/s）。根據(jù)給水管道系統(tǒng)圖，確定計(jì)算管路，進(jìn)行管道水力計(jì)算，計(jì)算過(guò)程列入表1。采用當(dāng)量法計(jì)算計(jì)算原理參照建筑給水排水設(shè)計(jì)規(guī)范GB50015-2003（2009年版），采用公共建筑采用當(dāng)量法 基本計(jì)算公式 式中： qg

9、-計(jì)算管段的給水設(shè)計(jì)秒流量（L/s） Ng-計(jì)算管段的衛(wèi)生器具給水當(dāng)量總數(shù) -根據(jù)建筑物用途而定的系數(shù)：1.8 建筑類(lèi)型：學(xué)校計(jì)算結(jié)果：管段名稱(chēng)管道流量L/s管長(zhǎng)m累計(jì)當(dāng)量標(biāo)注管徑水力坡降mH2O/m流速m/s沿程損失mH2O管材1-20.000.800.0000.0000.000.00PP-R2-31.200.800.50500.0331.010.03PP-R3-41.560.801.00500.0541.320.04PP-R4-51.640.801.50500.0591.390.05PP-R5-61.710.802.00500.0641.450.05PP-R6-71.770.802.505

10、00.0681.500.05PP-R7-81.820.803.00630.0230.970.02PP-R8-91.870.803.50630.0251.000.02PP-R9-101.920.804.00630.0261.030.02PP-R10-111.960.804.50630.0271.050.02PP-R11-122.000.805.00630.0281.070.02PP-R12-132.040.805.50630.0291.090.02PP-R13-142.080.806.00630.0301.110.02PP-R14-152.120.806.50630.0311.130.02PP-

11、R15-162.150.807.00630.0321.150.03PP-R16-172.190.807.50630.0331.170.03PP-R17-182.220.808.00630.0341.190.03PP-R18-192.250.808.50630.0351.200.03PP-R19-202.280.809.00630.0361.220.03PP-R20-212.310.809.50630.0361.230.03PP-R21-222.340.8010.00630.0371.250.03PP-R22-232.370.8010.50630.0381.270.03PP-R23-242.39

12、0.8011.00630.0391.280.03PP-R24-252.420.8011.50630.0401.290.03PP-R25-262.450.8012.00630.0401.310.03PP-R26-272.470.8012.50630.0411.320.03PP-R27-282.500.8013.00630.0421.340.03PP-R28-292.520.8013.50630.0431.350.03PP-R29-302.550.8014.00630.0441.360.03PP-R30-312.580.8014.75630.0451.380.04PP-R31-322.620.80

13、15.50630.0461.400.04PP-R32-332.650.8016.25630.0471.420.04PP-R33-342.680.8017.00630.0481.440.04PP-R34-352.720.8017.75630.0491.450.04PP-R35-362.750.8018.50630.0501.470.04PP-R36-372.780.8019.25630.0511.490.04PP-R37-382.810.8020.00750.0130.850.01PP-R38-392.840.8020.75750.0130.860.01PP-R39-402.870.8021.5

14、0750.0130.860.01PP-R40-412.900.8022.25750.0140.870.01PP-R41-422.930.8023.00750.0140.880.01PP-R42-432.950.8023.75750.0140.890.01PP-R43-442.980.8024.50750.0140.900.01PP-R44-453.010.8025.25750.0150.910.01PP-R45-463.040.8026.00750.0150.910.01PP-R46-473.043.0026.00750.0150.910.04PP-R47-483.803.0052.00750

15、.0231.140.07PP-R48-494.383.0078.00750.0291.320.09PP-R49-504.873.00104.00750.0361.470.11PP-R50-515.303.00130.00750.0421.600.13PP-R52-530.000.800.0000.0000.000.00PP-R53-541.200.800.50500.0331.010.03PP-R54-551.560.801.00500.0541.320.04PP-R55-561.640.801.50500.0591.390.05PP-R56-571.710.802.00500.0641.45

16、0.05PP-R57-581.770.802.50500.0681.500.05PP-R58-591.820.803.00630.0230.970.02PP-R59-601.870.803.50630.0251.000.02PP-R60-611.920.804.00630.0261.030.02PP-R61-621.960.804.50630.0271.050.02PP-R62-632.000.805.00630.0281.070.02PP-R63-642.040.805.50630.0291.090.02PP-R64-652.080.806.00630.0301.110.02PP-R65-6

17、62.120.806.50630.0311.130.02PP-R66-672.150.807.00630.0321.150.03PP-R67-682.190.807.50630.0331.170.03PP-R68-692.220.808.00630.0341.190.03PP-R69-702.250.808.50630.0351.200.03PP-R70-712.280.809.00630.0361.220.03PP-R71-722.310.809.50630.0361.230.03PP-R72-732.340.8010.00630.0371.250.03PP-R73-742.370.8010

18、.50630.0381.270.03PP-R74-752.390.8011.00630.0391.280.03PP-R75-762.420.8011.50630.0401.290.03PP-R76-772.450.8012.00630.0401.310.03PP-R77-782.470.8012.50630.0411.320.03PP-R78-792.500.8013.00630.0421.340.03PP-R79-802.520.8013.50630.0431.350.03PP-R80-812.550.8014.00630.0441.360.03PP-R81-822.580.8014.756

19、30.0451.380.04PP-R82-832.620.8015.50630.0461.400.04PP-R83-842.650.8016.25630.0471.420.04PP-R84-852.680.8017.00630.0481.440.04PP-R85-862.720.8017.75630.0491.450.04PP-R86-872.750.8018.50630.0501.470.04PP-R87-882.780.8019.25630.0511.490.04PP-R88-892.810.8020.00750.0130.850.01PP-R89-902.840.8020.75750.0

20、130.860.01PP-R90-912.870.8021.50750.0130.860.01PP-R91-922.900.8022.25750.0140.870.01PP-R92-932.930.8023.00750.0140.880.01PP-R93-942.950.8023.75750.0140.890.01PP-R94-952.980.8024.50750.0140.900.01PP-R95-963.010.8025.25750.0150.910.01PP-R96-473.040.8026.00750.0150.910.01PP-R97-980.000.800.0000.0000.00

21、0.00PP-R98-991.200.800.50500.0331.010.03PP-R99-1001.560.801.00500.0541.320.04PP-R100-1011.640.801.50500.0591.390.05PP-R101-1021.710.802.00500.0641.450.05PP-R102-1031.770.802.50500.0681.500.05PP-R103-1041.820.803.00630.0230.970.02PP-R104-1051.870.803.50630.0251.000.02PP-R105-1061.920.804.00630.0261.0

22、30.02PP-R106-1071.960.804.50630.0271.050.02PP-R107-1082.000.805.00630.0281.070.02PP-R108-1092.040.805.50630.0291.090.02PP-R109-1102.080.806.00630.0301.110.02PP-R110-1112.120.806.50630.0311.130.02PP-R111-1122.150.807.00630.0321.150.03PP-R112-1132.190.807.50630.0331.170.03PP-R113-1142.220.808.00630.03

23、41.190.03PP-R114-1152.250.808.50630.0351.200.03PP-R115-1162.280.809.00630.0361.220.03PP-R116-1172.310.809.50630.0361.230.03PP-R117-1182.340.8010.00630.0371.250.03PP-R118-1192.370.8010.50630.0381.270.03PP-R119-1202.390.8011.00630.0391.280.03PP-R120-1212.420.8011.50630.0401.290.03PP-R121-1222.450.8012

24、.00630.0401.310.03PP-R122-1232.470.8012.50630.0411.320.03PP-R123-1242.500.8013.00630.0421.340.03PP-R124-1252.520.8013.50630.0431.350.03PP-R125-1262.550.8014.00630.0441.360.03PP-R126-1272.580.8014.75630.0451.380.04PP-R127-1282.620.8015.50630.0461.400.04PP-R128-1292.650.8016.25630.0471.420.04PP-R129-1

25、302.680.8017.00630.0481.440.04PP-R130-1312.720.8017.75630.0491.450.04PP-R131-1322.750.8018.50630.0501.470.04PP-R132-1332.780.8019.25630.0511.490.04PP-R133-1342.810.8020.00750.0130.850.01PP-R134-1352.840.8020.75750.0130.860.01PP-R135-1362.870.8021.50750.0130.860.01PP-R136-1372.900.8022.25750.0140.870

26、.01PP-R137-1382.930.8023.00750.0140.880.01PP-R138-1392.950.8023.75750.0140.890.01PP-R139-1402.980.8024.50750.0140.900.01PP-R140-1413.010.8025.25750.0150.910.01PP-R141-483.040.8026.00750.0150.910.01PP-R142-1430.000.800.0000.0000.000.00PP-R143-1441.200.800.50500.0331.010.03PP-R144-1451.560.801.00500.0

27、541.320.04PP-R145-1461.640.801.50500.0591.390.05PP-R146-1471.710.802.00500.0641.450.05PP-R147-1481.770.802.50500.0681.500.05PP-R148-1491.820.803.00630.0230.970.02PP-R149-1501.870.803.50630.0251.000.02PP-R150-1511.920.804.00630.0261.030.02PP-R151-1521.960.804.50630.0271.050.02PP-R152-1532.000.805.006

28、30.0281.070.02PP-R153-1542.040.805.50630.0291.090.02PP-R154-1552.080.806.00630.0301.110.02PP-R155-1562.120.806.50630.0311.130.02PP-R156-1572.150.807.00630.0321.150.03PP-R157-1582.190.807.50630.0331.170.03PP-R158-1592.220.808.00630.0341.190.03PP-R159-1602.250.808.50630.0351.200.03PP-R160-1612.280.809

29、.00630.0361.220.03PP-R161-1622.310.809.50630.0361.230.03PP-R162-1632.340.8010.00630.0371.250.03PP-R163-1642.370.8010.50630.0381.270.03PP-R164-1652.390.8011.00630.0391.280.03PP-R165-1662.420.8011.50630.0401.290.03PP-R166-1672.450.8012.00630.0401.310.03PP-R167-1682.470.8012.50630.0411.320.03PP-R168-16

30、92.500.8013.00630.0421.340.03PP-R169-1702.520.8013.50630.0431.350.03PP-R170-1712.550.8014.00630.0441.360.03PP-R171-1722.580.8014.75630.0451.380.04PP-R172-1732.620.8015.50630.0461.400.04PP-R173-1742.650.8016.25630.0471.420.04PP-R174-1752.680.8017.00630.0481.440.04PP-R175-1762.720.8017.75630.0491.450.

31、04PP-R176-1772.750.8018.50630.0501.470.04PP-R177-1782.780.8019.25630.0511.490.04PP-R178-1792.810.8020.00750.0130.850.01PP-R179-1802.840.8020.75750.0130.860.01PP-R180-1812.870.8021.50750.0130.860.01PP-R181-1822.900.8022.25750.0140.870.01PP-R182-1832.930.8023.00750.0140.880.01PP-R183-1842.950.8023.757

32、50.0140.890.01PP-R184-1852.980.8024.50750.0140.900.01PP-R185-1863.010.8025.25750.0150.910.01PP-R186-493.040.8026.00750.0150.910.01PP-R187-1880.000.800.0000.0000.000.00PP-R188-1891.200.800.50500.0331.010.03PP-R189-1901.560.801.00500.0541.320.04PP-R190-1911.640.801.50500.0591.390.05PP-R191-1921.710.80

33、2.00500.0641.450.05PP-R192-1931.770.802.50500.0681.500.05PP-R193-1941.820.803.00630.0230.970.02PP-R194-1951.870.803.50630.0251.000.02PP-R195-1961.920.804.00630.0261.030.02PP-R196-1971.960.804.50630.0271.050.02PP-R197-1982.000.805.00630.0281.070.02PP-R198-1992.040.805.50630.0291.090.02PP-R199-2002.08

34、0.806.00630.0301.110.02PP-R200-2012.120.806.50630.0311.130.02PP-R201-2022.150.807.00630.0321.150.03PP-R202-2032.190.807.50630.0331.170.03PP-R203-2042.220.808.00630.0341.190.03PP-R204-2052.250.808.50630.0351.200.03PP-R205-2062.280.809.00630.0361.220.03PP-R206-2072.310.809.50630.0361.230.03PP-R207-208

35、2.340.8010.00630.0371.250.03PP-R208-2092.370.8010.50630.0381.270.03PP-R209-2102.390.8011.00630.0391.280.03PP-R210-2112.420.8011.50630.0401.290.03PP-R211-2122.450.8012.00630.0401.310.03PP-R212-2132.470.8012.50630.0411.320.03PP-R213-2142.500.8013.00630.0421.340.03PP-R214-2152.520.8013.50630.0431.350.0

36、3PP-R215-2162.550.8014.00630.0441.360.03PP-R216-2172.580.8014.75630.0451.380.04PP-R217-2182.620.8015.50630.0461.400.04PP-R218-2192.650.8016.25630.0471.420.04PP-R219-2202.680.8017.00630.0481.440.04PP-R220-2212.720.8017.75630.0491.450.04PP-R221-2222.750.8018.50630.0501.470.04PP-R222-2232.780.8019.2563

37、0.0511.490.04PP-R223-2242.810.8020.00750.0130.850.01PP-R224-2252.840.8020.75750.0130.860.01PP-R225-2262.870.8021.50750.0130.860.01PP-R226-2272.900.8022.25750.0140.870.01PP-R227-2282.930.8023.00750.0140.880.01PP-R228-2292.950.8023.75750.0140.890.01PP-R229-2302.980.8024.50750.0140.900.01PP-R230-2313.0

38、10.8025.25750.0150.910.01PP-R231-503.040.8026.00750.0150.910.01PP-R（2） 排水管網(wǎng)計(jì)算采用當(dāng)量法計(jì)算計(jì)算原理參照建筑給水排水設(shè)計(jì)規(guī)范GB50015-2003（2009年版），采用公共建筑采用當(dāng)量法 基本計(jì)算公式 式中：qp-計(jì)算管段的排水設(shè)計(jì)秒流量（L/s） Np-計(jì)算管段的衛(wèi)生器具排水當(dāng)量總數(shù) qmax-計(jì)算管段上最大一個(gè)衛(wèi)生器具的排水流量（L/s） -根據(jù)建筑物用途而定的系數(shù)：1.5 計(jì)算結(jié)果：管段名稱(chēng)管道流量L/s管道類(lèi)型累計(jì)當(dāng)量公稱(chēng)直徑水力坡降mH2O/m流速m/s充滿度管材1-20.00立管0.00500.0000.

39、000.00排水PVC-U2-30.00立管0.00500.0000.000.00排水PVC-U3-46.03立管283.001600.0000.000.00排水PVC-U4-56.03立管283.001600.0000.000.00排水PVC-U5-67.28立管566.001600.0000.000.00排水PVC-U6-77.28立管566.001600.0000.000.00排水PVC-U7-88.24立管849.001600.0000.000.00排水PVC-U8-98.24立管849.001600.0000.000.00排水PVC-U9-109.06立管1132.001600.00

40、00.000.00排水PVC-U10-119.06立管1132.001600.0000.000.00排水PVC-U11-129.77立管1415.001600.0000.000.00排水PVC-U12-139.77橫管1415.001600.0262.010.36排水PVC-U14-36.03橫管283.001600.0262.010.28排水PVC-U15-56.03橫管283.001600.0262.010.28排水PVC-U16-76.03橫管283.001600.0262.010.28排水PVC-U17-96.03橫管283.001600.0262.010.28排水PVC-U18-11

41、6.03橫管283.001600.0262.010.28排水PVC-U（三）消防給水管網(wǎng)計(jì)算計(jì)算原理參照全國(guó)民用建筑工程設(shè)計(jì)技術(shù)措施2009，建筑給水排水工程（中國(guó)建筑工業(yè)出版社） 基本計(jì)算公式 1、最不利點(diǎn)消火栓流量： 式中：qxh - 水槍噴嘴射出流量(L/s) （依據(jù)規(guī)范需要與水槍的額定流量進(jìn)行比較，取較大值） B - 水槍水流特性系數(shù) Hq - 水槍噴嘴造成一定長(zhǎng)度的充實(shí)水柱所需水壓（mH2 O）2、最不利點(diǎn)消火栓壓力： 式中：Hxh - 消火栓栓口的最低水壓(0.010MPa) hd -消防水帶的水頭損失(0.01MPa) hq - 水槍噴嘴造成一定長(zhǎng)度的充實(shí)水柱所需水壓(0.01MPa) Ad -