水文水利计算Word文件下载.doc

1、31.60.60.369.681963565.541.540.540.291612.9196494351.420.420.176416.131965647.569051.360.129619.351966476.67833.51.260.260.067622.5819676548773.31.160.160.025625.811968481.79766.31.150.150.022529.031969345.710760.532.2619701343.911714.61.080.080.006435.48197112659.80.99-0.010.000138.7119727601365400

2、.98-0.020.000441.941973558140.97-0.030.000945.161974150.0348.391975111516637.50.960.040.001651.61197617632.20.950.050.002554.841977498.1185760.870.130.016958.061978190.8561.291979200.8464.521980215010.750.250.062567.741981294.52270.971982230.730.270.072974.191983375.9240.720.280.078477.42198425411.1

3、0.620.380.144480.651985260.570.430.184983.87198627362.70.550.450.202581.7198728354.30.530.470.220990.321988290.50.480.230493.551989300.440.560.313696.77合计1924.14.2494降水适线计算表表1-2频率P第一次适线第二次适线第三次适线%KpXp2.11394.62.161434.52.211467.71.711291.741155.51.751162.21.511002.81022.71.3863.31.3187050630.90.9462

4、4.375478.20.7464.90.71471.590365.335295312.1298.8990.33219.20.3199.2239.1注：Kp=1+Cvp，Xp= Kp2、年径流深尽管该地区没有实测年径流深资料，但由于崂山乌衣巷地区的地质、地形情况与周家夼流域的相似，因此，可以利用乌衣巷地区的降水-径流相关关系图线（见图1-2），结合周家夼水库流域的降水资料，推算出该区域的年径流深资料。按年径流深由大到小的顺序排列入表1-3中，并由以下公式计算频率P，多年平均径流深和变差系数Cv：a=0.72式中各符号的意义同前。将年径流频率点绘点在对数纸上，按P-型曲线进行适线，如图1-3，表1

5、-4.适线的结果：号线为选用值：Cv=0.75 Cs=2.0Cv从而得到周家夼水库流域不同频率的年径流深：P50%=302.6mm P75%=166.1mm P90%=84.9mmP95%=55.4mm周家夼水库流域年径流深计算表表1-3Ki=Ri/36011002.981.983.923.18038562.321.321.7426.32702.181.181.3929.46707251.960.92212.51.820.820.67215.61756301.710.50418.83655551.521.91804901.330.109344850.310.09628.14780.0931.3

6、4301.170.170.02934.43721.010.0137.526440.60.0243.846.9350-0.050.0031973400.92-0.080.00653.12800.76-0.240.05856.3-0.270.07359.4-0.280.07862.5204-0.450.20365.6200-0.460.21268.865-0.470.22171.90.49-0.510.2-0.530.28178.1103-0.720.51881.30.18-0.8284.4400.14-0.860.7487.50.11-0.890.79290.61990-0.910.82893.

7、8199131-0.970.94196.91144115.612年径流深适线计算表表1-43.371243.73.661350.83.51291.72.4885.72.499192.46907.9723.4730.7738.1553.61.47542.51.525616.83306.30.78287.9302.6173.50.46169.8166.196114.40.2384.95955.418.50.2177.53、最大24小时暴雨从“山东省多年平均年最大24小时降水量等值线图（图6-1）”查得，该区域的多年平均年最大24小时降水量24=110mm从“山东省年最大24小时降水量变差系数（Cv）等值线图（图6-2）”查得，该区域的Cv=0.50，Cs=3.5 Cv由皮尔逊型曲线的模比系数Kp值表（附表6）查得