建筑给排水课程设计计算书(共10页)

1、建筑(jinzh)给排水课程设计 设计(shj)计算书姓 名： 吴新楷 学 院 ： 建工学院(xuyun) 专 业、班级： 给水排水 112 指 导 老 师： 薛向东 2014年06月06日三、建筑(jinzh)给排水设计计算书3.1室内给水系统(xtng)的计算3.1.1低区给水管网水力(shul)计算3.1.1.1住宅给水计算根据建筑给排水设计规范按以下公式计算： qg=0.2UNg 其中 qg 计算管段的设计秒流量,单位,L/s；Ng 计算管段的卫生器具当量总数； U 计算管段的卫生器具给水当量同时出流概率，%。3.1.1.2商铺给水计算qg=0.2Ng式中根据建筑物用途确定的系数低区给

2、水管网管段水力计算见表3-1，计算草图见下图3-1：图3-1 低区水力计算简图低区给水管水力(shul)计算表：顺序编号管段编号卫生器具卫生器具名称数量、当量当量总数设计秒流量q(L/s)DN(mm)给水钢管vv(m/s)单阻i(kpa/m）管长（m)沿程水头损失（kpa)当量洗脸盆洗手盆淋浴器洗涤盆坐便器洗衣机（n/N)0.750.50.7510.51123456789101412101n/N1/1.010.2200.620.72711.548.39 212n/N1/0.51/1.01.50.3200.931.531.792.74 323n/N1/0.751/0.51/1.02.250.32

3、 200.991.732.23.81 434n/N1/0.751/0.751/0.51/1.030.36 201.122.141.783.81 5413n/N1/0.751/0.751/1.01/0.51/1.040.42 250.790.8212.1910.00 656n/N1/1.01.00.20 200.620.7277.525.47 76-7n/N1/0.751/1.01.750.35 201.092.040.851.73 878n/N1/0.751/0.51/1.02.250.32 200.991.733.035.24 9835n/N1/0.751/0.751/0.51/1.030.

4、36 201.122.146.6214.17 10359n/N2/1.52/1.52/1.01/1.050.47 250.790.821.561.28 113512n/N1/0.751/0.751/0.520.30 200.931.531.392.13 121211n/N1/0.751/0.51.250.25 200.781.090.840.92 131110n/N1/0.750.750.15 150.882.082.755.72 14913n/N2/1.52/1.51/1.02/1.01/1.060.51 250.961.170.780.91 1513-14n/N3/2.253/2.252/

5、2.03/1.52/2.0100.67 251.261.972.8055.53 1614-15n/N6/4.56/4.54/4.06/34/4.0200.97 321.020.8266.955.74 1717-16n/N1/0.50.50.21 200.650.81.541.23 1816-15n/N1/0.51/0.51.00.30 200.931.530.681.04 1915-18n/N6/4.52/1.06/4.54/4.08/4.04/4.0221.05 321.111.0492.372.49 2023-22n/N1/1.010.2200.620.7271.130.82 2122-2

6、1n/N1/0.51/1.01.50.3200.931.532.113.23 2221-20n/N1/0.751/0.51/1.02.250.32 200.991.732.163.74 2321-19n/N1/0.751/0.751/0.51/1.030.36 201.122.141.272.72 2419-24n/N1/0.751/0.751/1.01/0.51/1.040.42 250.790.8212.169.97 2524-25n/N2/1.52/1.52/2.02/1.02/2.080.61 252.731.642.8054.60 2625-26n/N4/3.04/3.04/4.04

7、/2.04/4.0160.88 320.930.7556.955.25 2726-18n/N4/3.02/1.04/3.04/4.06/3.04/4.0180.96 321.010.8871.351.20 2828-27n/N1/0.50.50.53 2511.262.312.91 2927-29n/N1/0.51/0.510.75 320.790.5620.980.55 3029-30n/N6/4.51/0.56/4.54/4.07/3.54/4.0211.01 321.060.8874.1053.64 3134-33n/N1/0.50.50.53 2511.261.872.36 3233-

8、32n/N1/0.51/0.510.75 320.790.5622.761.55 3332-31n/N1/0.52/1.01.50.92 320.970.823.683.02 3431-30n/N2/1.02/1.021.06 321.111.0670.350.37 3530-18n/N6/4.54/2.06/4.54/4.010/5.04/4.0241.14 321.21.221.92.32 3618-35n/N16/1216/1212/1216/812/12561.73 500.930.454.562.05 总水头(shutu)损失为132.62kp，3.1.2高区给水管网水力(shul)

9、计算 高区给水管水力(shul)计算见表3-2，计算草图见下图3-2：高区给水管水力计算表：顺序编号管段编号卫生器具卫生器具名称数量、当量当量洗脸盆洗手盆淋浴器洗涤盆坐便器洗衣机（n/N)0.750.50.7510.5112345678910-1n/N-1/1.021-2n/N-1/0.51/1.032-3n/N-1/0.75-1/0.51/1.043-4n/N1/0.75-1/0.75-1/0.51/1.054-14n/N1/0.75-1/0.751/1.01/0.51/1.065-6n/N-1/1.076-7n/N1/0.75-1/1.087-8n/N1/0.75-1/0.51/1.098

10、-13n/N1/0.75-1/0.75-1/0.51/1.01013-9n/N2/1.5-2/1.5-2/1.01/1.01110-11n/N-1/0.75-1211-12n/N-1/0.75-1/0.5-1312-13n/N1/0.75-1/0.75-1/0.5-149-14n/N2/1.5-2/1.51/1.02/1.01/1.01514-15n/N3/2.25-3/2.252/2.03/1.52/2.01615-16n/N6/4.5-6/4.54/4.06/3.04/4.01716-17n/N9/6.75-9/6.756/6.09/4.56/6.01817-18n/N12/9.0-12/

11、9.08/8.012/6.08/8.01918-19n/N15/11.25-15/11.2510/1015/7.510/102019-20n/N18/13.5-18/13.512/1218/912/122120-33n/N21/15.75-21/15.7514/1421/10.514/142225-24n/N-1/1.02324-23n/N-1/0.51/1.02423-22n/N-1/0.75-1/0.51/1.02522-21n/N1/0.75-1/0.75-1/0.51/1.02621-26n/N1/0.75-1/0.751/1.01/0.51/1.02726-27n/N2/1.5-2/

12、1.52/2.02/1.02/2.02827-28n/N4/3.0-4/3.04/4.04/2.04/4.02928-29n/N6/4.5-6/4.56/6.06/3.06/6.03029-30n/N8/6.0-8/6.08/8.08/4.08/8.03130-31n/N10/7.5-10/7.510/1010/510/103231-32n/N12/9.0-12/9.012/1212/612/123332-33n/N14/10.5-14/10.514/1414/714/143433-34n/N35/26.25-35/26.2528/2835/17.528/283534-35n/N56/42-5

13、6/4242/4256/2842/42接上表：当量总数设计秒流量q(L/s)DN(mm)给水钢管v(m/s)单阻i(kpa/m）管长（m)沿程水头损失（kpa)1014151617181910.2200.620.72711.548.39 1.50.3200.931.531.792.74 2.250.32 200.991.732.23.81 30.36 201.122.141.783.81 40.42 250.790.8212.1910.00 10.20 200.620.7277.525.47 1.750.35 201.092.040.851.73 2.250.32 200.991.733.03

14、5.24 30.36 201.122.146.6214.17 50.47 250.790.821.561.28 0.750.15 150.882.082.755.72 1.250.25 200.781.090.840.92 20.30 200.931.531.392.13 60.51 250.961.170.780.91 100.67 251.261.972.8055.53 200.97 321.020.8262.8052.32 301.21 321.281.372.813.85 401.41 401.120.8972.82.51 501.60 401.271.142.8053.20 601.

15、77 401.411.42.8053.93 701.93 500.920.431.540.66 10.2200.620.7272.371.72 1.50.3200.931.533.625.54 2.250.32 200.991.731.232.13 30.36 201.122.141.984.24 40.42 250.790.821.351.11 80.61 251.151.642.8054.60 160.88 320.930.7552.8052.12 241.11 321.061.162.813.26 321.30 401.030.7692.82.15 401.48 401.170.9852

16、.8052.76 481.64 401.31.22.8053.37 561.80 401.431.442.343.37 1262.71 501.270.8092.742.22 1963.52 501.651.362.453.33 总水头(shutu)损失为149.21kp，3.2室内(sh ni)排水系统的计算（1）排水设计(shj)秒流量计算公式：qp=0.12Np+qmax式中 qp 计算管段的污水设计秒流量（L/s）； Np 计算管段的卫生器具排水当量总数； 根据建筑物的用途而定的系数，住宅卫生间=1.5，商场卫生间=2.0； qmax 计算管段上最大的一个卫生器具的排水流量（L/s）。

17、 （2）排水支管水力计算：排水支管计算(j sun)草图如下（其中wL-1，wL-2,WL-3计算(j sun)简图相同,FL-1，FL-2,FL-5计算(j sun)简图相同，FL-3，FL-6计算简图相同，FL-4,FL-7计算简图相同）：排水支管水力计算表：住宅区排水支管水力计算立管编号管段编号卫生器具卫生器具名称数量、当量当量总数设计秒流量q(L/s)管径（mm)坡度i备注当量洗脸盆淋浴器厨房洗菜盆坐便器洗衣机（n/N)Np=0.75Np=0.45Np=3.00Np=4.5Np=1.50WL-10-1n/N14.51.88 1000.026FL-10-1n/N10.750.41 500

18、.0261-2n/N111.20.45 500.026FL-30-1n/N131.81 750.026FL-40-1n/N11.51.22 750.026（2）排水立管水力(shul)计算：排水立管水力(shul)计算表如下：住宅区排水立管水力计算立管编号卫生器具卫生器具名称数量、当量当量总数设计秒流量q(L/s)管径（mm)备注当量洗脸盆淋浴器厨房洗菜盆坐便器洗衣机（n/N)Np=0.75Np=0.45Np=3.00Np=4.5Np=1.50PL-1n/N940.52.65 75PL-2n/N9910.80.84 75PL-3n/N9271.94 75pl-4n/N913.51.16 75（

19、3）排水横干管坡度(pd)PL-1坡度0.05，PL-2坡度0.005，PL-3坡度0.025，pl-4坡度0.02。（4）通气管计算根据规范可知，通气管管径取75mm。3.3 屋面雨水排水系统计算本建筑(jinzh)雨水(y shu)排水系统采用外排水方式。雨水通过(tnggu)雨水斗、连接管、立管及埋地横管等在地下一层排出室外，接入市政雨水管道系统。雨水管道采用UPVC管。（1）降雨强度该建筑位于杭州，查建筑给排水设计手册可得：降雨强度为=418L/(S104m2)其中t=5min（2）划分汇水区域根据屋面结构，划分为14个汇水区域，每个区域汇水面积为F1=51.7m2，F2=26.7m2，F3=30m2，F4=30m2，F5=26.7m2，F6=30m2，F7=30m2，F8=26.7m2，F9=51.7m2，F10=28m2，F11=41.8m2，F12=101m2，F13=41.8m2，F14=28m2。（3）雨水立管的布置雨水量的计算根据公式： 则每块汇水区域流量为： Q1=0.951.741810000=1.945LS=Q9,Q2=Q5=Q8=0.926.741810000=1.004LSQ3=Q4=Q7=0.93041810000=1.129LSQ10=Q14=0.92841810000=1.053LSQ11