瞬时单位线计算过程

已知
已知J= F/L^2
9.76 属山丘区 0.28 属一般形状
序号 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
参数 L J（‰） F H1面 H6面 H24面
H3面
H3-H1 H6-H3 β 1 β 2 n1 n2 θ M1 n R24 fc tR山 tR丘 tR Htr ip θ j λ 1 λ 2 m1i n k a
2.00% 5.995 9.76 10.12 91.4 182.4 289.2 139.6 48.2 42.8 0.501 0.631 0.614 0.668 20.73 2.950 1.488 266.7 1.9 1.2 1.7 1.4 96.9 68.5 1.2 0.64 0.30 0.96 1.5 0.6 5.6
1.00% 5.995 9.76 10.12 102.3 211.7 335.7 159.8 57.5 51.9 0.483 0.631 0.594 0.668 20.73 2.950 1.488 313.2 2.0 1.2 1.7 1.4 108.9 76.9 1.2 0.64 0.30 0.93 1.5 0.6 5.6
50
4.9
5.4
5.8
6.7
8.6
15.2
32.8
0 9.3296 0.0000 8.17712 10.2816 0.0000 0 4.802 9.0115 5 11.0432 0 2.55192 5.2920 9.6790 1.42688 2.8123 5.6840 0.46648 1.5725 3.0206 0.49392 0.5141 1.6890 0.08232 0.5443 0.5522 0.05488 0.0907 0.5846 0.05488 0.0605 0.0974 0 0.0605 0.0650 0.0000 0.0650 0.0000
3.9 2.5 2.5 1.4
t 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11
0 0.34 0.638 0.813 0.906 0.958 0.975 0.993 0.996 0.998 1 1
4.1 4.5 5.9 9.7 24.7 40.3 2.7 3.1 4.5 8.3 23.3 38.9 2.7 3.0 4.0 6.5 20.2 33.0 1.6 1.9 2.9 5.4 19.1 31.9 tc=6小时 n=1.5 fc=2.0 s(t-△t) u(△t、t)q(△t、t)q(△t、t) 6.3 6.8 0 0 0 0 0 0.34 1.904 1.9040 11.9952 0.0000 0.34 0.298 1.6688 1.6688 10.51344 12.9472 0.638 0.175 0.98 0.9800 6.174 11.3478 0.813 0.093 0.5208 0.5208 3.28104 6.6640 0.906 0.052 0.2912 0.2912 1.83456 3.5414 0.958 0.017 0.0952 0.0952 0.59976 1.9802 0.975 0.018 0.1008 0.1008 0.63504 0.6474 250 0.993 0.003 0.0168 0.0168 0.10584 0.6854 0.996 0.002 0.0112 0.0112 0.07056 0.1142 0.998 0.002 0.0112 0.0112 0.07056 0.0762 1 0 0 0.0000 0 0.0762 200 0.0000
t 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5
Qp5% t/k 0.0 0.7 1.5 2.2 2.9 3.7 4.4 5.1 5.9 6.6 7.3 8.1 8.8
s(t) 0 0.295 0.608 0.779 0.888 0.94 0.968 0.984 0.992 0.995 0.998 1 1
F L J（‰） 10.12 5.995 9.76 漳清凉河（新店子河）李庙沙坪村出口断面设计面雨量 H1 40.6 H6 63.5 H24 100.7 cv 0.45 cv 0.63 cv 0.63 查kp P1% P2% P5% P10% P20% 1h 2.52 2.25 1.88 1.6 1.31 3h 6h 3.334 2.872 2.266 1.81 1.36 24h 3.334 2.872 2.266 1.81 1.36 南漳清凉河（新店子河）李庙沙坪村出口断面设计暴雨成果 频率(%) 项目 暴雨历时 1.00% 2.00% 5% 10.00% 20% 1h 102.3 91.4 76.3 65.0 53.2 面雨量 6h 211.7 182.4 143.9 114.9 86.4 24h 335.7 289.2 228.2 182.3 137.0
20% 5.995 9.76 10.12 53.2 86.4 137.0 71.6 18.4 14.8 0.616 0.631 0.730 0.668 20.73 2.950 1.488 114.5 1.1 1.2 1.7 1.4 55.4 39.2 1.2 0.64 0.30 1.13 1.5 0.8 5.6
3 9.3 7.3 7.7 5.8 5.7 4.1 10.4 8.4 8.6 6.7 6.3 4.7
4 12.5 10.5 10.5 8.6 7.9 6.3
5 20.4 18.4 17.1 15.2 12.9 11.3
6 38.9 36.9 34.7 32.8 29.0 27.4
7 63.4 61.4 56.7 54.8 47.3 45.7
0.0000 10 12.7568 11.1810 6.5660 3.4894 1.9510 0.6378 0.6754 0.1126 0.0750 0.0750 0.0000
0.0000 16.3744 14.3517 8.4280 4.4789 2.5043 0.8187 0.8669 0.1445 0.0963 0.0963 0.0000
15
20
0.0000 28.9408 25.3658 14.8960 7.9162 4.4262 1.4470 1.5322 0.2554 0.1702 0.1702 0.0000
源自文库
0.0000 62.4512 54.7366 32.1440 17.0822 9.5514 3.1226 3.3062 0.5510 0.3674 0.3674 0.0000
8 15.3 13.3 12.8 10.9 9.6 8.0
9
10 9.3 7.3 7.8 5.9 5.9 4.3
11 7.8 5.8 6.4 4.5 4.7 3.1
12 7.3 5.3 6.0 4.1 4.4 2.8
p10% 净雨 p20%
3.6 2.2 2.4 1.3 p1% t/k △t=0.5 s(t) 0.0 0.8 1.6 2.4 3.2 4.0 4.8 5.6 6.4 7.2 8.0 8.8
tc=6小时 n=1.5 fc=1.9 s(t-△t) u(△t、t)q(△t、t)q(△t、t) 0 0 0 0 0.34 1.904 1.9040 0.34 0.298 1.6688 1.6688 0.638 0.175 0.98 0.9800 0.813 0.093 0.5208 0.5208 0.906 0.052 0.2912 0.2912 0.958 0.017 0.0952 0.0952 0.975 0.018 0.1008 0.1008 0.993 0.003 0.0168 0.0168 0.996 0.002 0.0112 0.0112 0.998 0.002 0.0112 0.0112 1 0 0 0.0000
10.00% 5.995 9.76 10.12 65.0 114.9 182.3 92.2 27.2 22.8 0.565 0.631 0.682 0.668 20.73 2.950 1.488 159.8 1.4 1.2 1.7 1.4 68.2 48.2 1.2 0.64 0.30 1.06 1.5 0.7 5.6
100
t 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11
Qp2% t/k 0.0 0.8 1.6 2.4 3.2 4.0 4.8 5.6 6.4 7.2 8.0 8.8
△t=0.5 s(t) 0 0.34 0.638 0.813 0.906 0.958 0.975 0.993 0.996 0.998 1 1
地下径流系数 参数 fc Q0 β tc △t D T Qg
1% 2% 5% 10%
2.0 0.481 0.070 6 0.5 5.5 11.0 1.95
1.9 0.430 0.070 6 0.5 5.5 11.0 1.77
1.6 0.359 0.070 6 0.5 6 11.5 1.48
1.4 0.301 0.070 6 0.5 6 11.5 1.27
15 11 7.8 6.4 4.7 3.4 2.2
14 12 7.3 6.0 4.4 3.2 2.1
P1% P2% P5% P10% P20%
8.3 6.8 5.0 3.6 2.4
求净雨
1
p1% 净雨 p2% 净雨 p5% 净雨
8.3 6.3 6.8 4.9 5.0 3.4
2 8.8 6.8 7.3 5.4 5.3 3.7
150
0.0000 35.0336 30.7059 18.0320 9.5827 5.3581 1.7517 1.8547 0.3091 0.2061 0.2061 0.0000
0.0000 70.2576 61.5787 36.1620 19.2175 10.7453 3.5129 3.7195 0.6199 0.4133 0.4133 0.0000
0.0000 15.9936 14.0179 8.2320 4.3747 2.4461 0.7997 0.8467 0.1411 0.0941 0.0941 0.0000
0.0000 19.9920 17.5224 10.2900 5.4684 3.0576 0.9996 1.0584 0.1764 0.1176 0.1176 0.0000
雨程分配表
时段 占一小时% 占（H3-H1）% 占（H6-H3）%
1
2
3
4
设计6小时雨型表 5 6 7 38 21.7 35.5
8 62
9 26.6
10 16.2
11
12
16 1
17 2 8.8 7.3 5.3 3.9 2.5
18 3 9.3 7.7 5.7 4.1 2.7
20 4 10.4 8.6 6.3 4.5 3.0 12.5 10.5 7.9 5.9 4.0 5 20.4 17.1 12.9 9.7 6.5 6 38.9 34.7 29.0 24.7 20.2 7 63.4 56.7 47.3 40.3 33.0 8 15.3 12.8 9.6 7.2 4.9 9 10 9.3 7.8 5.9 4.4 3.0
7.2 5.8 4.9 3.8 7.3
4.4 3.0 3.0 1.9 8.4
3.4 2.0 2.2 1.1 10.5
3.2 1.8 2.1 1.0 18.4 36.9
0.0000 13.8992 12.1822 7.1540 3.8018 2.1258 0.6950 0.7358 0.1226 0.0818 0.0818 0.0000
5% 5.995 9.76 10.12 76.3 143.9 228.2 112.6 36.3 31.3 0.530 0.631 0.646 0.668 20.73 2.950 1.488 205.7 1.6 1.2 1.7 1.4 80.6 56.9 1.2 0.64 0.30 1.01 1.5 0.7 5.6