三角堰

三角堰 吉林大学精品课>>专门水文地质学>>教材>>水文与水资源工程教学实习指导 附表5 三角堰堰高(h)-流量(Q)关系 堰高 堰高h 流量Q 备 注 -13-13-1级别 cm L?s L/min m?h m?d 堰高h/cm 系数c 1 1.0 0.0142 0.852 0.051 1.227 <5.0 0.0142 1 1.5 0.0391 2.348 0.141 3.381 5.1~10.0 0.0141 1 2.0 0.0803 4.820 0.289 6.940 10.1~15.0 0.0140 1 2.2 0.1019 6.116 0.367 8.808 15.1~20.0 0.0139 1 2.4 0.1267 7.603 0.456 10.948 20.1~25.0 0.0138 1 2.6 0.1548 9.287 0.557 13.373 25.1~30.0 0.0137 1 2.8 0.1863 11.177 0.671 16.095 5/21 3.0 0.2214 13.281 0.797 19.125 公式 Q=ch 1 3.2 0.2601 15.607 0.936 22.474 1 3.4 0.3027 18.161 1.090 26.152 1 3.6 0.3492 20.951 1.257 30.169 1 3.8 0.3997 23.983 1.439 34.535 1 4.0 0.4544 27.264 1.636 39.260 1 4.1 0.4833 29.000 1.740 41.760 1 4.2 0.5133 30.801 1.848 44.353 1 4.3 0.5445 32.667 1.960 47.041 2 5.1 0.8282 49.69 3.0 71.558 2 5.5 1.0003 60.02 3.6 86.425 2 6.0 1.2434 74.60 4.5 107.426 2 6.5 1.5188 91.13 5.5 131.225 2 7.0 1.8279 109.68 6.6 157.935 2 7.5 2.1721 130.32 7.8 187.666 2 8.0 2.5524 153.14 9.2 220.525 2 8.5 2.9701 178.20 10.7 256.614 2 9.0 3.4263 205.58 12.3 296.032 2 9.5 3.9222 235.33 14.1 338.877 2 10.0 4.4588 267.53 16.1 385.241 3 10.1 4.5387 272.32 16.3 392.144 3 10.5 5.0015 300.09 18.0 432.131 3 11.0 5.6184 337.10 20.2 485.427 3 11.5 6.2787 376.72 22.6 542.483 3 12.0 6.9836 419.02 25.1 603.386 3 12.5 7.7340 464.04 27.8 668.216 3 13.0 8.5307 511.84 30.7 737.055 3 13.5 9.3748 562.49 33.7 809.984 3 14.0 10.2671 616.03 37.0 887.078 3 14.5 11.2085 672.51 40.4 968.416 3 15.0 12.1999 731.99 43.9 1054.071 4 15.1 12.3156 738.94 44.3 1064.072 4 15.5 13.1475 788.85 47.3 1135.946 4 16.0 14.2336 854.02 51.2 1229.783 4 16.5 15.3718 922.31 55.3 1328.123 4 17.0 16.5629 993.78 59.6 1431.037 4 17.5 17.8078 1068.47 64.1 1538.593 4 18.0 19.1072 1146.43 68.8 1650.858 4 18.5 20.4618 1227.71 73.7 1767.901 4 19.0 21.8725 1312.35 78.7 1889.786 4 19.5 23.3400 1400.40 84.0 2016.578 4 20.0 24.8651 1491.90 89.5 2148.343 5 20.1 24.9959 1499.76 90.0 2159.648 5 20.5 26.2581 1575.49 94.5 2268.702 5 21.0 27.8886 1673.32 100.4 2409.578 5 21.5 29.5784 1774.71 106.5 2555.577 5 22.0 31.3282 1879.69 112.8 2706.759 5 22.5 33.1387 1988.32 119.3 2863.183 5 23.0 35.0105 2100.63 126.0 3024.910 5 23.5 36.9444 2216.66 133.0 3191.997 5 24.0 38.9410 2336.46 140.2 3364.503 5 24.5 41.0010 2460.06 147.6 3542.485 5 25.0 43.1250 2587.50 155.3 3726.000 6 25.1 43.2419 2594.51 155.7 3736.101 6 25.5 44.9853 2699.12 161.9 3886.733 6 26.0 47.2230 2833.38 170.0 4080.071 6 26.5 49.5262 2971.57 178.3 4279.066 6 27.0 51.8955 3113.73 186.8 4483.774 6 27.5 54.3316 3259.89 195.6 4694.248 6 28.0 56.8350 3410.10 204.6 4910.542 6 28.5 59.4063 3564.38 213.9 5132.707 6 29.0 62.0463 3722.78 223.4 5360.796 6 29.5 64.7553 3885.32 233.1 5594.862 6 30.0 67.5342 4052.05 243.1 5834.954