梯形、矩形渠道水力计算

1、bb 第 1 页 2022/1/30梯梯形形渠渠道道断断面面尺尺寸寸、水水深深计计算算水 深底 宽 边 坡过水面积湿 周水力半径糙 率舍齐系数 底坡比降 流 速流 量h(m)b(m)mA(m*m)(m)R(m)nC(m1/2/s)Iv(m/s)Q(m3/s)0.902.000.752.4084.2500.5660.016056.8520.00050.9572.3030.802.000.752.0804.0000.5200.016056.0460.00050.9041.8800.642.001.001.6903.8100.4430.014062.3750.000250.6571.1100.762

2、.001.002.0984.1500.5050.022539.6680.0010.8921.8710.761.201.001.4903.3500.4450.015058.2440.0011.2281.8300.750.801.001.1532.9100.3960.025034.2820.012.1582.4890.750.801.001.1562.9130.3970.025034.2880.012.1602.4960.750.801.001.1582.9160.3970.025034.2940.012.1612.5020.750.801.001.1572.9150.3970.02534.292

3、0.012.16072.50041.50说明：1、计算的范围为尾水（即尾0+000尾0+017.5）。2、计算时假设该渠水流为明渠均匀流进行水力计算。3、该渠道的衬砌为浆砌块石衬砌，其糙率n值取为n=0.025。bb 第 2 页 2022/1/30矩矩形形渠渠道道断断面面尺尺寸寸、水水深深计计算算水 深底 宽过水面积湿 周水力半径糙 率舍齐系数 底坡比降 流 速流 量h(m)b(m)A(m*m)(m)R(m)nC(m1/2/s)Iv(m/s)Q(m3/s)0.67002.401.6083.740.4299465 0.0225 38.6117860.00120.87701.41030.99001

4、.361.34643.340.40311380.014 61.3917350.00020.55120.74220.67001.801.2063.140.38407640.014 60.8987310.00121.30741.57671.37001.602.1924.340.50506910.02535.695910.0021.13452.48681.38001.602.2084.360.5064220.025 35.7118290.0021.13652.50951.37501.602.24.350.50574710.025 35.7038920.0021.13552.49821.6001.60

5、0.02500.0020.00000.00001.37701.602.20324.3540.50601750.025 35.7070720.0021.13592.50271.38001.602.2084.360.5064220.025 35.7118290.0021.13652.5095bb 第 3 页 2022/1/30河河道道流流量量水水位位关关系系曲曲线线水 位过水面积湿 周水力半径糙 率比降流 量水位流量关系高程h(m)A(m2)(m)R(m)nIQ(m3/s)40140.2717294.188810.064870.0810.00830.050.0493423963017573,401

6、44401516.39606924.73240.6629390.0810.008314.0214.0209061270931,40155401649.43533141.999271.1770520.0810.008361.9961.9852860896954,401664017100.47177156.688531.7723470.0810.0083165.50165.499744002757,401774018156.64339760.018272.6099290.0810.0083333.98333.978518041592,401884019215.44750563.965543.368

7、1810.0810.0083544.49544.493160351384,401994020277.67319568.291294.0660120.0810.0083795.61795.610327806321,4020104021342.88149271.526814.7937480.0810.00831096.431096.43156212984,4021114022410.2357774.59941 5.4991830.0810.00831437.541437.53901810852,40224023479.72449977.67202 6.1762850.0810.00831816.3

8、41816.34129695998,40234024551.34767980.74461 6.8282910.0810.00832231.972231.96604967931,4024bb 第 4 页 2022/1/30河河道道流流量量水水位位关关系系曲曲线线水 位过水面积湿 周水力半径糙 率比降流 量水位流量关系高程h(m)A(m2)(m)R(m)nIQ(m3/s)40140.2717294.188810.064870.0510.00830.080.078367335302791,40144401516.39606924.73240.6629390.0510.008322.2722.2684

9、979665597,40155401649.43533141.999271.1770520.0510.008398.4598.4472190836339,401664017100.47177156.688531.7723470.0510.0083262.85262.852534592614,401774018156.64339760.018272.6099290.0510.0083530.44530.436469830763,401884019215.44750563.965543.3681810.0510.0083864.78864.783254675727,401994020277.673

10、19568.291294.0660120.0510.00831263.621263.61640298651,4020104021342.88149271.526814.7937480.0510.00831741.391741.39130455916,4021114022410.2357774.599415.4991830.0510.00832283.1522834022124023479.72449977.672026.1762850.0510.00832884.782884.77735399527,4023134024551.34767980.744616.8282

11、910.0510.00833544.893544.88725537302,402414bb 第 5 页 2022/1/30河河道道流流量量水水位位关关系系曲曲线线水 位过水面积湿 周水力半径糙 率比降流 量水位流量关系高程h(m)A(m2)(m)R(m)nIQ(m3/s)40140.2717294.188810.064870.0510.00830.080.078367335302791,40144401516.39606924.73240.6629390.0510.008322.2722.2684979665597,40155401649.43533141.999271.1770520.051

12、0.008398.4598.4472190836339,401664017100.47177156.688531.7723470.0510.0083262.85262.852534592614,401774018156.64339760.018272.6099290.0510.0083530.44530.436469830763,401884019215.44750563.965543.3681810.0510.0083864.78864.783254675727,401994020277.67319568.291294.0660120.0510.00831263.621263.6164029

13、8651,4020104021342.88149271.526814.7937480.0510.00831741.391741.39130455916,4021114022410.2357774.599415.4991830.0510.00832283.1522834022124023479.72449977.672026.1762850.0510.00832884.782884.77735399527,4023134024551.34767980.744616.8282910.0510.00833544.893544.88725537302,402414bb 第 6

14、 页 2022/1/30河河道道流流量量水水位位关关系系曲曲线线水 位过水面积湿 周水力半径糙 率比降流 量水位流量关系高程h(m)A(m2)(m)R(m)nIQ(m3/s)40140.2717294.188810.064870.0510.00830.080.078367335302791,40144401516.39606924.73240.6629390.0510.008322.2722.2684979665597,40155401649.43533141.999271.1770520.0510.008398.4598.4472190836339,401664017100.47177156

15、.688531.7723470.0510.0083262.85262.852534592614,401774018156.64339760.018272.6099290.0510.0083530.44530.436469830763,401884019215.44750563.965543.3681810.0510.0083864.78864.783254675727,401994020277.67319568.291294.0660120.0510.00831263.621263.61640298651,4020104021342.88149271.526814.7937480.0510.0

16、0831741.391741.39130455916,4021114022410.2357774.599415.4991830.0510.00832283.1522834022124023479.72449977.672026.1762850.0510.00832884.782884.77735399527,4023134024551.34767980.744616.8282910.0510.00833544.893544.88725537302,402414bb 第 7 页 2022/1/30河河道道流流量量水水位位关关系系曲曲线线水 位过水面积湿 周水力半径糙 率

17、比降流 量水位流量关系h(m)A(m2)(m)R(m)nIQ(m3/s)40140.1293282.076850.0622710.0810.00830.020.0228527363458768,4014401513.81298320.545920.6722980.0810.008311.9211.9229235975835,4015401633.94211522.926451.4804780.0810.008349.5949.5900241668213,4016401755.20365425.512262.1638090.0810.0083103.87103.872626794227,4017

18、401877.69596228.098072.7651710.0810.0083172.16172.16060536622,40184019101.41903830.683873.3052880.0810.0083253.11253.112202276198,40194020126.37288533.269683.798440.0810.0083346.03346.028161456898,40204021152.557535.855494.2547880.0810.0083450.55450.546400816222,4021bb 第 8 页 2022/1/30河河道道流流量量水水位位关关系

19、系曲曲线线水 位过水面积湿 周水力半径糙 率比降流 量水位流量关系h(m)A(m2)(m)R(m)nIQ(m3/s)40140.1293282.076850.0622710.0510.00830.040.0362955224316867,4014401513.81298320.545920.6722980.0510.008318.9418.9364080667503,4015401633.94211522.926451.4804780.0510.008378.7678.7606266178927,4016401755.20365425.512262.1638090.0510.0083164.9

20、7164.974171967302,4017401877.69596228.098072.7651710.0510.0083273.43273.431549699291,40184019101.41903830.683873.3052880.0510.0083402.00402.001733026902,40194020126.37288533.269683.798440.0510.0083549.57549.574138784485,40204021152.557535.855494.2547880.0510.0083715.57715.573695414,40214022bb 第 9 页

21、2022/1/30河河道道流流量量水水位位关关系系曲曲线线水 位过水面积湿 周水力半径糙 率比降流 量水位流量关系h(m)A(m2)(m)R(m)nIQ(m3/s)40140.1293282.076850.0622710.0810.0040.020.0158646011723784,4014401513.81298320.545920.6722980.0810.0048.288.2770143943191,4015401633.94211522.926451.4804780.0810.00434.4334.4258973467382,4016401755.20365425.512262.163

22、8090.0810.00472.1172.1094302177535,4017401877.69596228.098072.7651710.0810.004119.52119.515637006992,40184019101.41903830.683873.3052880.0810.004175.71175.713055985908,40194020126.37288533.269683.798440.0810.004240.22240.216256505997,40204021152.557535.855494.2547880.0810.004312.77312.773877509401,4

23、021bb 第 10 页 2022/1/30河河道道流流量量水水位位关关系系曲曲线线水 位过水面积湿 周水力半径糙 率比降流 量水位流量关系h(m)A(m2)(m)R(m)nIQ(m3/s)40140.1293282.076850.0622710.0510.0040.030.0251967195090716,4014401513.81298320.545920.6722980.0510.00413.1513.1458463909774,4015401633.94211522.926451.4804780.0510.00454.6854.6764251977606,4016401755.2036

24、5425.512262.1638090.0510.004114.53114.52674211055,4017401877.69596228.098072.7651710.0510.004189.82189.818952893459,40184019101.41903830.683873.3052880.0510.004279.07279.07367715409,40194020126.37288533.269683.798440.0510.004381.52381.519936803642,40204021152.557535.855494.2547880.0510.004496.76496.75851133