桥渡课程设计

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1、华东交通大学理工学院桥渡设计课程设计任务书题目：桥渡课程设计专业：班级：学号：姓名：起止日期：指导教师：一：相关分析(1)计算两系列中对应流量的均值：(2)由图表一数据计算相关系数r及其机误4Ex：4Er≈2.698==相关系数r较大，非常接近于1,而且,表明两系列的流量之间存在直线相关，相关程度也较为密切。（3）计算δx和δy=17980243=437=16250.274=445则得：y1625=0.988445/437(x-1798)y=1.006x-184年兰州站流量Qy（m3/s）上诠站流量Qx（m3/s）KxKyK²xK2yKxKy份19391365154019401

2、2851460194118682040194211241300194316171790194410331210194524112580194616071780194712651440194818582030194979010700.5950.4860.3540.2360.2891950126013400.7450.7750.5550.6010.5781951167017600.9791.0280.9581.0561.0061952146016000.8900.8980.7920.8070.8001953214022801.2681.3171.6081.7341.67019541

3、87020101.1181.1511.2501.3241.2861955143016400.9120.8800.8320.7740.8031956203022201.2351.2491.5241.5611.5421957136015300.8510.8370.7240.7000.7121958175019301.0731.0771.1521.1601.1561959129014500.8060.7940.6500.6300.6401960209022401.2461.2861.5521.6541.6021961107012600.7010.6580.4910.4340.4611

4、962154017500.9730.9480.9470.8980.9221963176018901.0511.0831.1051.1731.1381964124013500.7510.7630.5640.5820.5731965105011200.6230.6460.3880.4180.4021966264029001.6131.6252.6012.6392.6201967137017100.9510.8430.9050.7110.8021968205022001.2241.2621.4971.5911.5441969164018801.0461.0091.0931.0191.

5、0551970129015000.8340.7940.6960.6300.6621971227023701.3181.3971.7371.9511.8411972168017400.9681.0340.9371.0691.0001973121014000.7790.7450.6060.5540.5801974209022101.2291.2861.5111.6541.5811975141016900.9400.8680.8830.7530.8161976167018301.0181.0281.0361.0561.0461977119014800.8230.7320.6780.5

6、360.6031978245026001.4461.5082.0912.2732.180合计487605395030.00630.00631.71932.18131.913表一顺序号按流量大小排列经验频率Ki（Ki-1）2（Ki-1）3年分兰州站(m3/s)p=m/n+11196626402.41.6450.4160.2682197824504.91.5260.2770.1463194524117.31.5020.2520.1274197122709.81.4140.1720.07151953214012.21.3330.1110.03761960209014.61.3020.

7、0910.02871974209017.11.3020.0910.02881968205019.51.2770.0770.02191956203022.01.2650.0700.019101954187024.41.1650.0270.005111941186826.81.1640.0270.004121948185829.31.1580.0250.004131963176031.71.0970.0090.001141958175034.11.0900.0080.00115197216803