TRƯỜNG ĐẠI HỌC GIAO THÔNG VẬN TẢI
BỘ MÔN THỦY LỰC THỦY VĂN
MỘT SỐ BẢNG TRA
MÔN THỦY VĂN CÔNG TRÌNH
(tài liệu được sử dụng trong phòng thi)
HÀ NỘI, 12 - 2015
Bảng 2.1: Bảng cho K đối với Loga-PearsonIII
Hệ số CS
Chu kù T (năm)
2 5 10 25 50 100 200
Xác suất vợt P%
50 20 10 4 2 1 0.5
3.5 -0.396 0.420 1.180 2.278 3.152 4.051 4.970
2.5 -0.360 0.518 1.250 2.162 3.048 3.845 4.652
2.0 -0.307 0.609 1.302 2.219 2.912 3.605 4.298
1.8 -0.282 0.643 1.318 2.193 2.848 3.499 4.147
1.6 -0.254 0.675 1.329 2.163 2.780 3.388 3.990
1.4 -0.225 0.705 1.337 2.128 2.706 3.271 3.828
1.2 -0.195 0.732 1.340 2.087 2.626 3.149 3.661
1.0 -0.164 0.758 1.340 2.043 2.542 3.022 3.489
0.9 -0.148 0.769 1.339 2.018 2.498 2.957 3.401
0.8 -0.132 0.780 1.336 1.993 2.453 2.891 3.312
0.7 -0.116 0.790 1.333 1.967 2.407 2.824 3.223
0.6
-0.099
0.800
1.328
1.939
2.359
2.755
3.132
0.5
-0.083
0.808
1.323
1.910
2.311
2.686
3.041
0.4 -0.066 0.816 1.317 1.880 2.261 2.615 2.949
0.3 -0.050 0.823 1.309 1.849 2.211 2.544 2.586
0.2 -0.033 0.830 1.301 1.818 2.159 2.472 2.763
0.1 -0.017 0.836 1.292 1.785 2.107 2.400 2.670
0.0 0.000 0.841 1.282 1.751 2.054 2.326 2.576
-0.1 0.017 0.846 1.270 1.716 2.000 2.252 2.482
-0.2 0.033 0.850 1.258 1.680 1.945 2.178 2.388
-0.3 0.050 0.853 1.245 1.643 1.890 2.104 2.294
-0.4 0.066 0.855 1.231 1.606 1.834 2.029 2.201
-0.5 0.083 0.860 1.216 1.567 1.777 1.955 2.108
-0.6
0.099
0.857
1.200
1.528
1.720
1.880
2.016
-0.7
0.116
0.857
1.183
1.488
1.663
1.806
1.926
-0.8
0.132
0.856
1.166
1.488
1.606
1.733
1.837
-0.9 0.148 0.854 1.147 1.407 1.549 1.660 1.749
-1.0 0.164 0.852 1.128 1.366 1.492 1.588 1.664
-1.2 0.195 0.843 1.086 1.282 1.397 1.449 1.501
-1.4 0.225 0.832 1.041 1.198 1.270 1.318 1.351
-1.6 0.254 0.817 0.994 1.116 1.166 1.197 1.216
-1.8 0.282 0.799 0.945 1.035 1.069 1.087 1.097
-2.0 0.307 0.777 0.895 0.959 0.980 0.990 0.995
-2.5 0.360 0.710 0.771 0.793 0.798 0.799 0.800
-3.0 0.396 0.636 0.660 0.666 0.666 0.667 0.667
Bảng 2.2: Bảng tra hệ số CS theo độ lệch S của phân phối nhị thức
CS Xác suất vợt P% 5-95 S
0.3 1 2 3 5 25 50 90 95
0.1 2.95 2.40 2.41 1.92 1.67 0.66 -0.02 -1.27 -1.61 3.28 0.03
0.2 3.07 2.47 2.16 1.96 1.70 0.65 -0.03 -1.26 -1.58 3.28 0.06
0.3 3.19 2.54 2.21 2.00 1.72 0.64 -0.05 -1.24 -1.55 3.27 0.08
0.4 3.30 2.61 2.26 2.04 1.75 0.63 -0.07 -1.23 -1.52 3.27 0.11
0.5 3.43 2.68 2.31 2.08 1.77 0.62 -0.07 -1.22 -1.49 3.26 0.14
0.6 3.55 2.75 2.35 2.12 1.80 0.61 -0.10 -1.20 -1.45 3.25 0.17
3.66
2.82
2.40
2.15
1.82
0.59
-0.12
-1.18
-1.42
3.24
0.20
3.78
2.89
2.45
0.18
1.84
0.58
-0.13
-1.17
-1.38
3.22
0.22
3.89
2.96
2.50
2.22
1.86
0.57
-0.15
-1.15
-1.35
3.21
0.25
4.01
3.02
2.54
2.25
1.88
0.55
-0.16
-1.13
-1.32
3.20
0.28
1.2 4.23 3.15 2.62 2.31 1.92 0.52 -0.19 -1.08 -1.24 3.16 0.34
1.4 4.45 3.27 2.71 2.37 1.95 0.49 -0.22 -1.04 -1.17 3.12 0.39
1.6 4.68 3.39 2.78 2.42 1.97 0.46 -0.25 -0.99 -1.10 3.07 0.45
1.8 4.90 3.50 2.85 2.46 1.99 0.42 -0.28 -0.94 -1.02 3.01 0.51
2.0 5.11 3.60 2.91 2.51 2.00 0.39 -0.31 -0.90 -0.95 2.95 0.57
2.2 5.30 3.68 2.95 2.54 2.02 0.35 -0.33 -0.842 -0.882 2.90 0.63
2.4 5.48 3.78 3.02 2.60 2.00 0.29 -0.35 -0.792 -0.820 2.82 0.67
5.62
3.86
3.08
2.63
2.00
0.25
-0.37
-0.746
-0.764
2.76
0.72
5.86
3.96
3.12
2.65
2.00
0.22
-0.39
-0.703
-0.711
2.71
0.76
6.02
4.05
3.14
2.66
1.97
0.19
-0.40
-0.661
-0.665
2.64
0.80
6.21
4.11
3.14
2.66
1.96
0.15
-0.41
-0.621
-0.625
2.59
0.83
6.36
4.18
3.15
2.66
1.94
0.11
-0.41
-0.586
-0.587
2.53
0.86
6.50
4.24
3.17
2.66
1.93
0.064
-0.42
-0.555
-0.556
2.49
0.89
3.8 6.69 4.29 3.18 2.65 1.90 0.032 -0.42 -0.526 -0.526 2.43 0.91
4.0 6.83 4.34 3.20 2.65 1.90 0.010 -0.41 -0.500 -0.500 2.40 0.92
4.2 6.99 4.39 3.24 2.64 1.88 -0.010 -0.41 -0.476 -0.476 2.36 0.94
4.4 7.14 4.42 3.25 2.63 1.86 -0.032 -0.40 -0.455 -0.455 2.32 0.95
4.6 7.29 4.46 3.27 2.62 1.84 -0.052 -0.40 -0.435 -0.435 2.28 0.97
4.8 7.42 4.50 3.29 2.60 1.81 -0.075 -0.39 -0.416 -0.416 2.23 0.98
7.53
4.54
3.32
2.60
1.78
-0.099
-0.38
-0.400
-0.400
2.18
0.98
5.2 7.65 4.59 3.33 2.60 1.74 -0.120 -0.37 -0.385 -0.385 2.13 0.98
Bảng 2.3. Bảng tra trị số theo đường Pearson III (PIII), CV = 1; XP = (CV + 1)
X
C
S
Tần suất P%
0.01
0.1 1.0 3.0 5.0 10 25 50 75 90 95 97 99 99.9
0.00
3.72
3.09
2.33
1.88
1.64
1.28
0.67
0.00
-0.67
-1.28
-1.64
-1.88
-2.33
-3.09
0.05
3.83
3.16
2.36
1.90
1.65
1.28
0.66
-0.01
-0.68
-1.28
-1.62
-1.86
-2.29
-3.02
0.10
3.94
3.23
2.40
1.92
1.67
1.29
0.66
-0.02
-0.68
-1.27
-1.61
-1.82
-2.25
-2.95
0.15
4.05
3.31
2.44
1.94
1.68
1.30
0.66
-0.02
-0.68
-1.26
-1.60
-1.81
-2.22
-2.88
0.20
4.16
3.38
2.47
1.96
1.70
1.30
0.65
-0.03
-0.69
-1.26
-1.58
-1.79
-2.18
-2.81
0.25
4.27
3.45
2.50
1.98
1.71
1.30
0.64
-0.04
-0.70
-1.25
-1.56
-1.77
-2.14
-2.74
0.30
4.38
3.52
2.54
2.00
1.72
1.31
0.64
-0.05
-0.70
-1.24
-1.55
-1.75
-2.10
-2.67
0.35
4.50
3.59
2.58
2.02
1.73
1.32
0.64
-0.06
-0.70
-1.24
-1.53
-1.72
-2.06
-2.60
0.40
4.61
3.66
2.61
2.04
1.75
1.32
0.63
-0.07
-0.71
-1.23
-1.52
-1.70
-2.03
-2.54
0.45
4.72
3.74
2.64
2.06
1.76
1.32
0.62
-0.08
-0.71
-1.22
-1.51
-1.68
-2.00
-2.47
0.50
4.83
3.81
2.68
2.08
1.77
1.32
0.62
-0.08
-0.71
-1.22
-1.49
-1.66
-1.96
-2.40
0.55
4.94
3.88
2.72
2.10
1.78
1.32
0.62
-0.09
-0.72
-1.21
-1.47
-1.64
-1.92
-2.32
0.60
5.05
3.96
2.75
2.12
1.80
1.33
0.61
-0.10
-0.72
-1.20
-1.45
-1.61
-1.88
-2.27
0.65
5.16
4.03
2.78
2.14
1.81
1.33
0.60
-0.11
-0.72
-1.19
-1.44
-1.59
-1.84
-2.20
0.70
5.28
4.10
2.82
2.15
1.82
1.33
0.59
-0.12
-0.72
-1.18
-1.42
-1.57
-1.81
-2.14
0.75
5.39
4.17
2.86
2.16
1.83
1.34
0.58
-0.12
-0.72
-1.18
-1.40
-1.54
-1.78
-2.08
0.80
5.56
4.24
2.89
2.18
1.84
1.34
0.58
-0.13
-0.73
-1.17
-1.38
-1.52
-1.74
-2.02
0.85
5.62
4.31
2.92
2.20
1.85
1.34
0.58
-0.14
-0.73
-1.16
-1.35
-1.49
-1.70
-1.96
0.90
5.73
4.38
2.96
2.22
1.86
1.34
0.57
-0.15
-0.73
-1.15
-1.35
-1.47
-1.66
-1.90
0.95
5.84
4.46
2.99
2.24
1.87
1.34
0.56
-0.16
-0.73
-1.14
-1.34
-1.44
-1.62
-1.84
1.00
5.96
4.53
3.02
2.25
1.88
1.34
0.55
-0.16
-0.73
-1.13
-1.32
-1.42
-1.59
-1.79
1.05
6.07
4.60
3.06
2.26
1.88
1.34
0.54
-0.17
-0.74
-1.12
-1.30
-1.40
-1.56
-1.74
1.10
6.18
4.67
3.09
2.28
1.89
1.34
0.54
-0.18
-0.74
-1.10
-1.28
-1.38
-1.52
-1.68
1.15
6.30
4.74
3.12
2.30
1.90
1.34
0.53
-0.18
-0.74
-1.09
-1.26
-1.36
-1.48
-1.63
1.20
6.41
4.81
3.15
2.31
1.91
1.34
0.52
-0.19
-0.74
-1.08
-1.24
-1.33
-1.45
-1.58
1.25
6.52
4.88
3.18
2.32
1.92
1.34
0.52
-0.20
-0.74
-1.07
-1.22
-1.30
-1.42
-1.53
1.30
6.64
4.95
3.21
2.34
1.92
1.34
0.51
-0.21
-0.74
-1.06
-1.20
-1.28
-1.38
-1.48
1.35
6.76
5.02
3.24
2.36
1.93
1.34
0.50
-0.22
-0.74
-1.05
-1.18
-1.26
-1.35
-1.44
1.40
6.87
5.09
3.30
2.38
1.94
1.34
0.49
-0.22
-0.73
-1.04
-1.17
-1.23
-1.32
-1.39
1.45
6.98
5.16
3.30
2.38
1.94
1.34
0.48
-0.23
-0.73
-1.03
-1.15
-1.21
-1.29
-1.35
1.50
7.09
5.23
3.33
2.39
1.95
1.33
0.47
-0.24
-0.73
-1.02
-1.13
-1.19
-1.26
-1.31
1.55
7.20
5.30
3.36
2.40
1.96
1.33
0.46
-0.24
-0.73
-1.00
-1.12
-1.16
-1.23
-1.28
1.60
7.31
5.37
3.39
2.42
1.96
1.33
0.46
-0.25
-0.73
-0.99
-1.10
-1.14
-1.20
-1.24
1.65
7.42
5.44
3.42
2.43
1.96
1.32
0.45
-0.26
-0.72
-0.98
-1.08
-1.12
-1.17
-1.20
1.70
7.54
5.50
3.44
2.44
1.97
1.32
0.44
-0.27
-0.72
-0.97
-1.06
-1.10
-1.14
-1.17
1.75
7.65
5.57
3.47
2.45
1.98
1.32
0.43
-0.28
-0.72
-0.96
-1.04
-1.08
-1.12
-1.14
1.80
7.76
5.64
3.50
2.46
1.98
1.32
0.42
-0.28
-0.72
-0.94
-1.02
-1.06
-1.09
-1.11
Bảng 2.3 (tiếp)
C
S
Tần suất P%
0.01
0.1 1.0 3.0 5.0 10 25 50 75 90 95 97 99 99.9
1.85
7.87
5.70
3.52
2.48
1.98
1.32
0.41
-0.28
-0.72
-0.93
-1.00
-1.04
-1.06
-1.08
1.90
7.98
5.77
3.55
2.49
1.99
1.31
0.40
-0.29
-0.72
-0.92
-0.98
-1.01
-1.04
-1.05
1.95
8.10
5.84
3.58
2.50
2.00
1.30
0.40
-0.30
-0.72
-0.91
-0.96
-0.99
-1.02
-1.02
2.00
8.21
5.91
3.60
2.51
2.00
1.30
0.39
-0.31
-0.71
-0.90
-0.95
-0.97
-0.99
-1.00
2.05
8.32
6.04
3.65
2.53
2.01
1.29
0.37
-0.32
-0.70
-0.87
-0.91
-0.93
-0.95
-0.95
2.10
8.43
6.17
3.68
2.54
2.02
1.27
0.35
-0.33
-0.69
-0.84
-0.88
-0.90
-0.91
-0.91
2.15
8.54
6.30
3.73
2.57
2.01
1.26
0.32
-0.34
-0.68
-0.82
-0.85
-0.86
-0.87
-0.87
2.20
8.64
6.42
3.78
2.60
2.00
1.25
0.29
-0.35
-0.67
-0.79
-0.82
-0.83
-0.83
-0.83
2.25
8.75
6.55
3.82
2.62
2.00
1.23
0.27
-0.36
-0.66
-0.77
-0.79
-0.80
-0.80
-0.80
2.30
8.86
6.67
3.86
2.63
2.00
1.21
0.25
-0.37
-0.66
-0.75
-0.76
-0.77
-0.77
-0.77
2.35
8.97
6.79
3.92
2.64
2.00
1.19
0.24
-0.38
-0.65
-0.72
-0.74
-0.74
-0.74
-0.74
2.40
9.07
6.92
3.96
2.65
2.00
1.18
0.22
-0.39
-0.64
-0.70
-0.71
-0.71
-0.72
-0.72
2.45
9.18
7.03
4.01
2.66
1.99
1.15
0.20
-0.39
-0.63
-0.68
-0.69
-0.69
-0.69
-0.69
2.50
9.23
7.15
4.05
2.66
1.97
1.13
0.19
-0.40
-0.62
-0.66
-0.67
-0.67
-0.67
-0.67
2.55
9.39
7.23
4.09
2.66
1.97
1.11
0.17
-0.40
-0.60
-0.64
-0.65
-0.65
-0.65
-0.65
2.60
9.50
7.35
4.11
2.66
1.96
1.09
0.15
-0.41
-0.59
-0.62
-0.63
-0.63
-0.63
-0.63
2.65
9.60
7.44
4.15
2.66
1.95
1.08
0.13
-0.41
-0.58
-0.61
-0.61
-0.61
-0.61
-0.61
2.70
9.70
7.54
4.18
2.66
1.94
1.06
0.11
-0.41
-0.57
-0.59
-0.59
-0.59
-0.59
-0.59
2.75
9.82
7.64
4.21
2.66
1.93
1.04
0.09
-0.41
-0.55
-0.57
-0.57
-0.57
-0.57
-0.57
2.80
9.92
7.72
4.24
2.66
1.93
1.03
0.06
-0.42
-0.54
-0.56
-0.56
-0.56
-0.56
-0.56
2.85
10.00
7.86
4.26
2.66
1.91
1.01
0.05
-0.42
-0.53
-0.54
-0.54
-0.54
-0.54
-0.54
2.90
10.10
7.97
4.29
2.65
1.90
1.00
0.03
-0.42
-0.52
-0.53
-0.53
-0.53
-0.53
-0.53
2.95
10.30
8.08
4.32
2.65
1.90
0.98
0.02
-0.41
-0.51
-0.51
-0.51
-0.51
-0.51
-0.51
3.00
10.35
8.17
4.34
2.65
1.90
0.96
0.01
-0.41
-0.49
-0.50
-0.50
-0.50
-0.50
-0.50