地点车速及区间车速及密度

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1、地点车速测量及分析木莲路——香樟路段原始数据采集：30.228.87.928.524.786.2825.447.0324.3622.3114.2119.985.39.9416.29.615.8624.6113.5225.8121.0314.486.6416.289.665.566.5922.137.3513.1821.3514.2111.2314.2921.158.427.1932.1811.4712.118.3311.8136.9725.1410.915.7818.8835.248.3820.1615.319.3817.6334.3

2、78.2121.1123.0413.7530.819.0212.9512.2817.3721.810.886.457.056.411.9224.4610.2712.6310.678.515.8912.88.2922.3826.9915.0117.7314.619.875.46.1610.3119.8619.4710.248.47.0345.827.4818.096.8434.3816.4616.414.0310.488.0415.085.7729.489.566.7830.5628.5222.558.485.1719.635.38.4

3、315.2327.2713.0225.2819.158.235.9927.589.629.718.1525.9216.1816.6810.0610.589.4712.19.4922.949.7321.7531.5729.8213.439.57.0930.5528.733.455.1822.256.285.9310.715.922.829.75车速分组频数速度分组5101520253035404550>50观测频数05331231914102010频率分布接收频率累积%500.00%105334.64%153154.90%202369.

4、93%251982.35%301491.50%351098.04%40299.35%45099.35%501100.00%其他0100.00%频率分布直方图及累计频率曲线拟合优度检验速度分组组中值观测频数f变换后组中值yy*fy2*f参数数值5-107.553-4-212848¯y-2.3006510-1512.531-3-93279sy1.73802115-2017.523-2-4692¯v15.9967320-2522.519-1-1919s8.69010725-3027.514000　　30-3532.51011010　　35-

5、4037.52248　　40-4542.50300　　45-5047.514416　　Σ　153　-3521272　　数组上限v(m/s)v-¯u标准化（v-¯u）/δ正态曲线面积Ω各组概率P理论频数F=n*P观测频数fХ2统计量Х2=(F-f)2/F10-5.99673-0.690060.2450770.24507737.49677536.40989315-0.99673-0.11470.4543430.20926632.01764310.032344204.0032680.460670.6774820.2231434.140362

6、33.63522259.0032681.0360360.8499070.17242526.38107192.0651233014.003271.6114030.9464540.09654714.77164140.0403093519.003272.186770.985620.0391665.992439102.6801354024.003272.7621370.9971290.0115081.760792　4529.003273.3375040.9995770.0024490.37462700.2968725034.003273.91

7、28710.9999540.0003770.0576921　Σ　　　0.999954152.99315315.1599分析及结论自由度10-2-1=7查表得置信水平а=0.01时γ=18.475>15.1599符合正态分布结论：韶山南路，木莲路口——香樟路口区段地点车速平均值为15.996.香樟路口——木莲路口原始数据采集8.7610.4920.4235.3830.227.259.2827.1834.3729.6915.417.1328.427.3911.619.749.619.456.7229.2130.0228.846.736.7

8、127.3612.5938.9423.9829.1718.6336.4932.7243.799.119.8547.815.869.3219.0516.0225.711.7639.0638.115.6421.039.582