第8章高層建筑給水排水設(shè)計(jì)實(shí)例

1、第8章 高層建筑給水排水設(shè)計(jì)實(shí)例v8.1設(shè)計(jì)任務(wù)及設(shè)計(jì)資料設(shè)計(jì)任務(wù)及設(shè)計(jì)資料v8.2設(shè)計(jì)說明設(shè)計(jì)說明v8.3 設(shè)計(jì)計(jì)算設(shè)計(jì)計(jì)算8.1設(shè)計(jì)任務(wù)及設(shè)計(jì)資料v8.1.1設(shè)計(jì)任務(wù)設(shè)計(jì)任務(wù)v8.1.2 設(shè)計(jì)的基礎(chǔ)資料設(shè)計(jì)的基礎(chǔ)資料8-1賓館建筑剖面示意圖8.2設(shè)計(jì)說明v8.2.1 室內(nèi)給水工程室內(nèi)給水工程v8.2.2 室內(nèi)熱水工程室內(nèi)熱水工程v8.2.3 消火栓給水系統(tǒng)消火栓給水系統(tǒng) v8.2.4 自動(dòng)噴水滅火系統(tǒng)自動(dòng)噴水滅火系統(tǒng) v8.2.5 排水工程排水工程v8.2.6 雨水排水工程雨水排水工程8.3 設(shè)計(jì)計(jì)算v8.3.1 室內(nèi)給水系統(tǒng)室內(nèi)給水系統(tǒng)（1）用水量計(jì)算）用水量計(jì)算 3335.13%254

2、 .53%25mmQVd表8-1 用水量計(jì)算表序號(hào)用水類別用水定額q0用水單位m用水時(shí)間T/h時(shí)變化系數(shù)kh最高日用水量Qd/(m3/d)最高時(shí)用水量Qh/(m3/h)1商場(chǎng)（1F）6 L/(m2d)392m2121.22.350.242快餐廳（1F2F）25 L/(每人每次)300人121.27.500.753KTV(3F)15 L/(每人每次)190人151.32.850.2474賓館(4F9F)350 L/(每床每日)110床242.438.503.855普通辦公(9F11F)40L/(每人每班)55人81.22.20.336合 計(jì)53.45.42（2）給水管網(wǎng)的水力計(jì)算圖8-2 冷水系

3、統(tǒng)計(jì)算草圖 giNigiNigiNgiN表8-2 賓館、辦公樓、商場(chǎng)、KTV部分值計(jì)算表功能值賓館2.583207.5260109.5辦公樓、商場(chǎng)1.51827KTV3.08.525.54 . 25 .109260igigiNNgggNNq48. 04 . 22 . 01表8-3 快餐廳部分設(shè)計(jì)流量計(jì)算表（1822管段間流量）衛(wèi)生器具個(gè)數(shù)（n0）同時(shí)給水百分?jǐn)?shù)（b）給水額定流量（q0）設(shè)計(jì)流量（qg）洗臉盆350%0.150.225拖布盆250%0.200.2大便器330%0.100.09洗滌盆2070%0.202.8sLbnqqg/32. 300表8-4 給水最不利管段流量計(jì)算表N順序編號(hào)管

4、段編號(hào)衛(wèi)生器具衛(wèi)生器具名稱、數(shù)量、當(dāng)量當(dāng)量總數(shù)設(shè)計(jì)秒流量q(L/s)當(dāng)量小便器大便器拖布盆洗臉盆浴盆自至n/N0.50.51.00.51.012345678910101n/N10.50.10212n/N210.20323n/N211.50.30434n/N2220.40545n/N2430.60656n/N24140.80767n/N241251.00878n/N482291.44989n/N4824101.5210910n/N49251121.66111011n/N410261131.73121112n/N411272151.86131213n/N412282161.92141314n/N4

5、13293182.04151415n/N4142103192.09161516n/N45124740934.63171617n/N6533484096.54.72181718n/N755450401004.80191819n/N755450401008.12201920n/N959552401058.24212021n/N116265440109.58.34222122n/N116265440126.18.71表8-5 給水最不利管段水力計(jì)算表前編號(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)值水頭損失(MPa)前壓(MPa)后壓(MPa)010.500

6、.10150.500.000252.002.40.00050.05000.0505121.000.20150.990.000906.002.40.00540.05050.0559231.500.30200.790.000401.102.40.00040.05590.0563342.000.40250.610.000181.102.40.00020.05630.0565453.000.60250.910.000383.102.40.00120.05650.0577564.000.80320.790.000233.102.40.00070.05770.0584675.001.00320.980.0

7、00343.902.40.00130.05840.0597111215.001.86401.120.000323.302.40.00110.06250.0636121316.001.92401.160.000343.302.40.00110.06360.0647131418.002.04500.770.000123.302.40.00040.06470.0651141519.002.09500.790.000136.702.40.00090.06510.0660151693.004.63701.200.000230.302.40.00010.06600.0660161796.504.72701

8、.230.000242.502.40.00060.06600.06661718100.004.80701.250.000244.202.40.00100.06660.06771819286.1286.17 78.128.12801.470.000260.302.40.00010.06770.06771920294.6294.69 98.248.24801.490.000275.502.40.00150.06770.06922021301.8301.89 98.348.34801.500.0002812.62.40.00880.06920.07802122318.4318.49 98.718.7

9、11001.050.0001018.92.40.00190.07800.0799表8-6 向屋頂消防水箱供水時(shí)段水力計(jì)算表管段管長(zhǎng)(m)秒流量(L/s)管徑(mm)流速(m/s)坡度(kPa/m)水頭損失(kPa)222118.93.5DN1000.420.020.278211812.63.5DN800.630.0550.69318166.73.5DN700.910.1310.878162332.33.5DN501.330.32210.400沿程水頭損失總和12.249v8.3.2 室內(nèi)熱水系統(tǒng)室內(nèi)熱水系統(tǒng) 圖8-3 熱水系統(tǒng)水力計(jì)算草圖表8-8熱水配水管網(wǎng)水力計(jì)算前編號(hào)后編號(hào)當(dāng)量(N)流量(

10、l/s)管徑(DN)流速(m/s)坡度(MPa/m)管長(zhǎng)(m)值水損(MPa)前壓(MPa)后壓(MPa)121.500.30250.560.000203.302.50.00070.05000.0507233.000.60320.720.000253.302.50.00080.05070.0515344.500.90400.720.000193.302.50.00060.05150.0521456.001.20400.950.000333.302.50.00110.05210.0532567.501.37500.670.000133.302.50.00040.05320.0536679.001

11、.50500.730.000151.902.50.00030.05360.0539789.001.50500.730.000154.702.50.00070.05390.054681016.502.03500.990.000271.302.50.00030.05460.0549101224.002.45501.200.000387.302.50.00270.05490.0577121555.503.72651.120.000254.402.50.00110.05770.058815B61.503.92651.180.0002739.202.50.01080.05880.069617A17B1.

12、500.30250.560.000203.302.50.00070.05000.050717B17C3.000.60320.720.000253.302.50.00080.05070.051517C17D4.500.90400.720.000193.302.50.00060.05150.052117D17E6.001.20400.950.000333.302.50.00110.05210.053217E97.501.37500.670.000135.202.50.00070.05320.0538987.501.37500.670.000130.802.50.00010.05380.053919

13、A19B1.500.30250.560.000203.302.50.00070.05000.050719B19C3.000.60320.720.000253.302.50.00080.05070.051519C19D4.500.90400.720.000193.302.50.00060.05150.052119D19E6.001.20400.950.000333.302.50.00110.05210.053219E117.501.37500.670.000135.202.50.00070.05320.053811107.501.37500.670.000130.702.50.00010.053

14、80.053921A21B3.000.60320.720.000253.302.50.00080.05000.050821B21C6.001.20400.950.000333.302.50.00110.05080.051921C21D9.001.50500.730.000153.302.50.00050.05190.052421D21E12.001.73500.850.000203.302.50.00070.05240.053021E21F15.001.94500.950.000243.302.50.00080.05300.053821F1416.502.03500.990.000271.90

15、2.50.00050.05380.0543141216.502.03500.990.000272.002.50.00050.05430.054922A22B3.000.60320.720.000253.302.50.00080.05000.050822B22C6.001.20400.950.000333.302.50.00110.05080.051922C22D9.001.50500.730.000153.302.50.00050.05190.052422D22E12.001.73500.850.000203.302.50.00070.05240.053022E1315.001.94500.9

16、50.000245.202.50.00130.05300.0543131215.001.94500.950.000240.802.50.00020.05430.054523A23B0.500.10200.310.000093.302.50.00030.05000.0503表8-9熱水配水最不利支管路計(jì)算前編號(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)值水損(MPa)前壓(MPa)后壓(MPa)0.500.10150.690.000631.702.50.00110.05000.051111.500.30250.560.000200.302.50.0001

17、0.05110.0511表8-10 熱水配水管路熱損失及循環(huán)流量計(jì)算節(jié)點(diǎn)管段編號(hào)管長(zhǎng)管徑外徑展開表面積保溫系數(shù)節(jié)點(diǎn)水溫平均水溫空氣溫度溫差熱損失循環(huán)流量(m)(DN)(mm)()()()t（kJ/h）(L/h)123456 789101112 13160123.62533.50.379 060.043030.04 555.4 146.0 260.09233.63242.250.478 060.153030.15 700.4 146.0 360.2343.640480.543 060.273030.27 795.7 146.0 460.33453.640480.543 060.43030.40

18、795.7 146.0 560.46563.650600.679 060.543030.54 994.7 146.0 660.62673.350600.622 060.73030.70 911.8 146.0 760.7778450601.382 0.760.933030.93 331.6 146.0 861.18101.350600.449 0.761.53031.50 107.8 258.2 1061.8910127.350602.523 0.762.533032.53 605.1 368.9 1263.1712154.57075.51.774 0.764.293034.29 469.4

19、644.4 1565.4115B39.27075.515.457 0.767.713037.71 4088.7 774.7 B70表8-11 側(cè)立管熱損失計(jì)算表節(jié)點(diǎn)管段編號(hào)管長(zhǎng)管徑外徑展開表面積保溫系數(shù)節(jié)點(diǎn)水溫平均水溫空氣溫度溫差熱損失(m)(DN)(mm)()()()t（kJ/h）123457 8910111213 17A60.4117A17B3.62533.50.379 060.463030.46 555.4 17B60.517B17C3.63242.250.478 060.563030.56 700.4 17C60.6217C17D3.640480.543 060.683030.68 7

20、95.7 17D60.7417D17E3.640480.543 060.813030.81 795.7 17E60.8717E93.650600.679 060.953030.95 994.7 961.03980.850600.276 0.761.073031.07 66.3 861.119A61.2119A19B3.62533.50.379 061.263031.26 555.4 19B61.319B19C3.63242.250.478 061.363031.36 700.4 19C61.4119C19D3.640480.543 061.483031.48 795.7 19D61.5419D

21、19E3.640480.543 061.613031.61 795.7 19E61.6719E113.650600.679 061.753031.75 994.7 22A62.3822A22B3.63242.250.478 062.443032.44 700.4 22B62.4922B22C3.640480.543 062.563032.56 795.7 22C62.6222C22D3.650600.679 062.73032.70 994.7 22D62.7822D22E3.650600.679 062.863032.86 994.7 22E62.9422E133.650600.679 06

22、3.023033.02 994.7 1363.113120.850600.276 0.763.143033.14 66.3 1263.1723A64.4923A23B3.62026.750.302 064.533034.53 443.5 23B64.5723B23C3.62533.50.379 064.613034.61 555.4 23C64.6623C23D3.62533.50.379 064.73034.70 555.4 23D64.75表8-12 熱水管網(wǎng)回水管管徑選用表配水管管徑（mm）20253240506580100125150200回水管管徑（mm）20202532404050

23、6580100表8-13熱水供水管路循環(huán)流量計(jì)算前編號(hào)后編號(hào)管長(zhǎng)(m)循環(huán)流量(L/h)循環(huán)流量(L/s)管徑(DN)流速（m/s）水力坡度（Pa/m）壓力損失（Pa）B1539.2774.70.21519700.070.0230.9015244.0130.30.03619400.030.0130.052423F3.6130.30.03619400.030.0130.0523F23E3.6130.30.03619400.030.0130.0523E23D3.6130.30.03619320.040.0250.0923D23C3.6130.30.03619250.070.1070.3923C23

24、B3.6130.30.03619250.070.1070.3923B23A3.6130.30.03619200.130.3931.41沿程水頭損失總和3.33表8-14熱水回水管路循環(huán)流量計(jì)算前編號(hào)后編號(hào)管長(zhǎng)(m)循環(huán)流量(L/h)循環(huán)流量(L/s)管徑(DN)流速（m/s）水力坡度（Pa/m）壓力損失（Pa）23A232.5130.30.03619250.070.1070.3923203.85130.30.03619250.070.1070.3920187.77405.80.11272320.130.1831.4218161.55516.50.14347320.160.2800.431603

25、.66628.70.17464400.150.2000.7302461.85774.70.21519400.180.28817.81沿程壓力損失總和21.17v8.3.3 消防滅火系統(tǒng)消防滅火系統(tǒng)8.3.3.1 消火栓滅火系統(tǒng)消火栓滅火系統(tǒng)（1）消火栓的布置）消火栓的布置mmR23)3258 . 0(圖8-4 消火栓系統(tǒng)最不利管路水力計(jì)算草圖（2）水槍噴嘴處所需的水壓qxhBHqkPaOmHOmHHq5 .15885.15577. 15222（3）充實(shí)水柱長(zhǎng)度HmOmHOmHOmHHm2221045.11)85.150097. 01 (2 . 185.154）水帶阻力 kPaOmHOmHhd7

26、5.10075. 152500172. 02225）消火栓口所需的水壓kPakPaHxh25.189)2075.105 .158(6）水槍射流量計(jì)算kPaHhHHkdqxh25.1890管段的水頭損失）（點(diǎn)的消火栓間距和10h)10(01HHHxhxh7）水泵供水工況計(jì)算表8-15 水泵供水工況計(jì)算表計(jì)算管段設(shè)計(jì)秒流量q（L/s）管長(zhǎng)L（m）DNV（m/s）I（kPa/m）iL（kPa）01513.31000.580.07490.996125.563.61000.640.0910.3282310.563.31001.220.2980.9833410.563.31001.220.2980.983

27、4510.563.31001.220.2980.9835610.563.31001.220.2980.9836710.563.31001.220.2980.9837810.563.91001.220.2981.1628910.566.51001.220.2981.93791010.561.61001.220.2980.477101110.564.21001.220.2981.252111210.5651500.6220.0550.277121321.12121501.2440.2002.404沿程壓力損失之和13.7488）水箱供水工況計(jì)算表8-16 水箱供水工況計(jì)算表計(jì)算管段設(shè)計(jì)秒流量q（L

28、/s）管長(zhǎng)L（m）DNV（m/s）I（kPa/m）iL（kPa）052.81000.5770.0750.2152.41500.2950.0140.035515.11500.2950.0140.21857.21500.2950.0140.10455.61500.2950.0140.081沿程壓力損失之和0.6489）減壓孔板的計(jì)算表8-17 消火栓的動(dòng)水壓力和過剩水壓計(jì)算消火栓編號(hào)10層9層8層7層6層5層4層3層2層1層1層動(dòng)水壓（kPa）229.29265.62299.60333.58367.57401.55435.53475.70516.64559.12585.37過剩水壓（kPa）266

29、.64309.12335.37孔板孔徑（mm）191919減壓后消火栓出口壓力288.84331.32357.578.3.3.2 自動(dòng)噴水滅火系統(tǒng)自動(dòng)噴水滅火系統(tǒng)（1）設(shè)計(jì)參數(shù)的選擇）設(shè)計(jì)參數(shù)的選擇 （2）水力計(jì)算）水力計(jì)算圖8-5 噴淋系統(tǒng)最不利管路水力計(jì)算草圖 表8-18 噴淋系統(tǒng)最不利管路水力計(jì)算 管段編號(hào)設(shè)計(jì)流量Q（L/s）管徑DN（mm）流速系數(shù)Ko流速v(m/s)水力坡度i（KPa/m）管長(zhǎng)L(m)Hy=iL(kPa)自至011.33251.8832.507.6883.224.6122.66321.052.796.5673.221.0233.99400.83.197.1500.75

30、5.4343.99400.83.197.1503.424.34510.64500.475.0012.489337.55617.29800.2043.533.585310.86722.611000.1152.601.35511.8416.07822.611000.1152.601.35543.158.48922.611000.1152.601.35513.418.2噴淋泵供水的最不利管路沿程水頭損失總和216.2噴淋泵供水的最不利管路水頭損失總和216.21.20=259.44kPa011.0251.8831.8834.3613313.213.96121.0321.051.050.9300823

31、.22.98231.0400.80.80.4496620.750.34341.0400.80.80.4496623.41.53451.0500.470.470.11035130.33561.0800.2040.2040.01197230.04671.01000.1150.1150.0026511.840.03781.01000.1150.1150.0026543.10.118101.01000.1150.1150.0026554.80.15增壓設(shè)施供水的最不利管路沿程水頭損失總和19.47增壓設(shè)施供水的最不利管路水頭損失總和19.471.20=23.36kPa（3）自動(dòng)噴水滅火系統(tǒng)水泵的流量和揚(yáng)程 hmsLQb/40.81/61.223自動(dòng)噴水滅火系統(tǒng)設(shè)計(jì)流量 自動(dòng)噴水滅火系統(tǒng)的設(shè)計(jì)揚(yáng)程HbZhPHb0kPakPaHb44.849)44