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REPORT
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Publication Number: FHWA-HRT-12-022
Date: May 2012

 

Pier Scour in Clear-Water Conditions With Non-Uniform Bed Materials

APPENDIX A. DATABASES

This appendix contains tabular summaries of the TFHRC laboratory data (table 6), CSU laboratory data (table 7), and USGS field data (table 8).

Table 6. Summary of TFHRC pier scour tests.

Run ID Mixture ID D50
(inches)
Gradation,
σ
Pier Diameter, b (ft) Approach Depth,
h (ft)
Approach Velocity,
V (ft/s)
Measured Scour Depth,
ys (ft)
Flow Duration, t (h)
T-1 M-1 0.035 2.5 0.46 0.66 1.25 0.26 24
T-2 M-1 0.035 2.5 0.37 0.66 1.25 0.23 24
T-3 M-1 0.035 2.5 0.29 0.66 1.25 0.20 24
T-4 M-1 0.035 2.5 0.20 0.66 1.25 0.14 24
T-5 M-1 0.035 2.5 0.11 0.66 1.25 0.08 24
T-6 M-2 0.018 2.1 0.46 0.66 0.92 0.41 24
T-7 M-2 0.018 2.1 0.37 0.66 0.92 0.38 24
T-8 M-2 0.018 2.1 0.29 0.66 0.92 0.34 24
T-9 M-2 0.018 2.1 0.20 0.66 0.92 0.27 24
T-10 M-2 0.018 2.1 0.11 0.66 0.92 0.15 24

Table 7. Summary of CSU laboratory tests.

Run ID Mixture ID D50
(inches)
Gradation, σ Pier Diameter, b (ft) Approach Depth,
h (ft)
Approach Velocity,
V (ft/s)
Measured Scour Depth,
ys (ft)
Flow Duration, t (h)
MA-1-3 MA-1 0.030 2.4 0.59 1.31 0.66 0.11 8
MA-1-2 MA-1 0.030 2.4 0.59 1.30 0.67 0.12 8
MA-1-1 MA-1 0.030 2.4 0.59 1.26 0.70 0.12 8
MA-4-3 MA-1 0.030 2.4 0.59 1.24 0.95 0.15 12
MA-5-2 MA-1 0.030 2.4 0.59 1.13 0.96 0.15 8
MA-5-1 MA-1 0.030 2.4 0.59 1.16 0.97 0.15 8
MA-5-3 MA-1 0.030 2.4 0.59 1.12 0.97 0.13 8
MA-4-1 MA-1 0.030 2.4 0.59 1.25 0.99 0.16 12
MA-4-2 MA-1 0.030 2.4 0.59 1.23 0.99 0.16 12
MA-6-3 MA-1 0.030 2.4 0.59 1.10 1.08 0.26 12
MA-6-1 MA-1 0.030 2.4 0.59 1.10 1.09 0.29 12
MA-6-2 MA-1 0.030 2.4 0.59 1.10 1.09 0.27 12
MA-9-1 MA-1 0.030 2.4 0.59 1.05 1.10 0.30 16
MA-9-2 MA-1 0.030 2.4 0.59 1.02 1.10 0.26 16
MA-2-3 MA-1 0.030 2.4 0.59 0.96 1.11 0.22 8
MA-9-3 MA-1 0.030 2.4 0.59 1.00 1.12 0.26 16
MA-2-2 MA-1 0.030 2.4 0.59 0.96 1.12 0.22 8
MA-2-1 MA-1 0.030 2.4 0.59 0.94 1.14 0.25 8
MA-7-3 MA-1 0.030 2.4 0.59 1.07 1.27 0.44 16
MA-7-2 MA-1 0.030 2.4 0.59 1.07 1.28 0.44 16
MA-7-1 MA-1 0.030 2.4 0.59 1.06 1.30 0.48 16
MA-8-2 MA-1 0.030 2.4 0.59 1.07 1.35 0.60 12
MA-3-3 MA-1 0.030 2.4 0.59 0.96 1.33 0.47 19
MA-3-2 MA-1 0.030 2.4 0.59 0.95 1.33 0.47 19
MA-8-3 MA-1 0.030 2.4 0.59 1.06 1.38 0.60 12
MA-3-1 MA-1 0.030 2.4 0.59 0.94 1.38 0.55 19
MA-8-1 MA-1 0.030 2.4 0.59 1.05 1.45 0.61 12
MA-10-2 MA-1 0.030 2.4 0.59 1.07 1.50 0.61 10
MA-10-3 MA-1 0.030 2.4 0.59 1.04 1.51 0.60 10
MA-10-1 MA-1 0.030 2.4 0.59 1.09 1.54 0.64 10
MA-12-3 MA-1 0.030 2.4 0.59 1.26 1.58 0.66 16
MA-11-2 MA-1 0.030 2.4 0.59 1.08 1.57 0.65 14
MA-11-1 MA-1 0.030 2.4 0.59 1.10 1.61 0.68 14
MA-12-1 MA-1 0.030 2.4 0.59 1.19 1.65 0.65 16
MA-11-3 MA-1 0.030 2.4 0.59 1.05 1.62 0.68 14
MA-14-1 MA-1A 0.030 2.4 0.59 1.02 0.84 0.16 16
MA-16-1 MA-1A 0.030 2.4 0.59 1.08 0.92 0.27 16
MA-17-1 MA-1A 0.030 2.4 0.59 1.08 0.99 0.30 16
MA-13-1 MA-1A 0.030 2.4 0.59 1.06 1.28 0.51 16
MA-18-1 MA-1A 0.030 2.4 0.59 1.08 1.48 0.70 16
MA-21-2 MA-2D 0.030 3.4 0.59 1.11 0.69 0.04 16
MA-22-2 MA-2D 0.030 3.4 0.59 1.08 0.79 0.05 16
MA-23-2 MA-2D 0.030 3.4 0.59 1.10 0.98 0.07 16
MA-24-2 MA-2D 0.030 3.4 0.59 1.08 1.24 0.17 16
MA-25-2 MA-2D 0.030 3.4 0.59 1.09 1.43 0.28 16
MH 8-6 MH-1 0.022 2.2 0.06 0.70 0.72 0.06 16
MH 8-5 MH-1 0.022 2.2 0.10 0.64 0.87 0.07 16
MH 7-5 MH-1 0.022 2.2 0.10 0.78 1.00 0.12 16
MH 8-4 MH-1 0.022 2.2 0.19 0.64 0.82 0.12 16
MH 11-4 MH-1 0.022 2.2 0.19 0.72 0.77 0.11 16
MH 7-4 MH-1 0.022 2.2 0.19 0.78 0.91 0.10 16
MH 8-2 MH-1 0.022 2.2 0.29 0.70 0.78 0.22 16
MH 11-2 MH-1 0.022 2.2 0.29 0.78 0.79 0.12 16
MH 6-2 MH-1 0.022 2.2 0.29 0.78 0.91 0.24 16
MH 7-2 MH-1 0.022 2.2 0.29 0.84 0.89 0.25 16
MH 13-1 MH-1 0.022 2.2 0.50 0.69 0.83 0.23 16
MH 16-1 MH-1 0.022 2.2 0.50 0.70 0.93 0.27 16
MH 14-1 MH-1 0.022 2.2 0.50 0.73 0.90 0.29 16
MH 19-1 MH-1 0.022 2.2 0.50 0.73 1.01 0.36 16
MH 12-1 MH-1 0.022 2.2 0.50 0.78 0.92 0.29 16
MH 15-1 MH-1 0.022 2.2 0.50 0.80 1.04 0.38 16
MH 18-1 MH-1 0.022 2.2 0.50 0.81 1.18 0.63 16
MH 8-3 MH-1 0.022 2.2 0.54 0.64 0.87 0.21 16
MH 11-3 MH-1 0.022 2.2 0.54 0.72 0.81 0.16 16
MH 7-3 MH-1 0.022 2.2 0.54 0.78 1.01 0.29 16
MH 8-1 MH-1 0.022 2.2 0.71 0.70 0.84 0.20 16
MH 11-1 MH-1 0.022 2.2 0.71 0.78 0.80 0.15 16
MH 6-1 MH-1 0.022 2.2 0.71 0.78 0.84 0.24 16
MH 5-1 MH-1 0.022 2.2 0.71 0.81 0.95 0.39 16
MH 7-1 MH-1 0.022 2.2 0.71 0.84 0.89 0.26 16

Table 8. Field data measurements.

Mixture/Location D16 (inches) D50 (inches) D84 (inches) D95 (inches) Gradation, σ Pier Diameter, b (ft) Approach Depth,
h (ft)
Approach Velocity, V (ft/s) Measured Scour Depth,
ys (ft)
Montana 1   3.74 8.0 13.0 2.1 3.40 4.80 8.40 0.80
Montana 2   3.74 8.0 13.0 2.1 3.40 3.30 5.10 1.20
Montana 3   3.74 8.0 13.0 2.1 3.40 3.40 6.20 1.90
Montana 4   2.87 5.1 7.5 1.8 3.10 8.70 8.00 2.50
Montana 5   2.87 5.1 7.5 1.8 3.10 8.30 8.20 2.30
Montana 6   2.87 5.1 7.5 1.8 3.10 6.60 4.90 1.90
Montana 7   2.87 5.1 7.5 1.8 3.20 8.20 7.60 1.60
Montana 8   2.87 5.1 7.5 1.8 3.10 7.80 8.00 1.80
Montana 9   2.87 5.1 7.5 1.8 3.20 6.20 4.80 1.10
Montana 10   2.87 5.1 7.5 1.8 3.10 7.40 3.30 0.30
Montana 11   2.87 5.1 7.5 1.8 3.10 6.80 3.60 0.40
Montana 12   2.87 5.1 7.5 1.8 3.10 6.00 3.50 0.40
Montana 13   2.87 5.1 7.5 1.8 3.10 9.80 9.70 4.00
Montana 14   2.87 5.1 7.5 1.8 3.10 9.80 9.10 4.00
Maryland 15   4.33 8.8 13.8 2.0 5.00 7.90 7.70 1.10
Maryland 16   4.33 8.8 13.8 2.0 5.00 6.80 6.80 1.40
Maryland 17   4.33 8.8 13.8 2.0 5.00 9.90 8.60 2.70
Maryland 18   4.33 8.8 13.8 2.0 5.00 8.00 6.20 1.70
Virginia 20   2.17 3.3 4.3 1.5 2.00 2.50 3.70 1.50
Virginia 21   2.17 3.3 4.3 1.5 2.00 10.50 5.50 2.10
Virginia 22   2.17 3.3 4.3 1.5 2.00 10.50 6.40 1.80
Flathead River near Perma 0.65 1.09 2.2 3.2 1.8 3.60 19.40 4.90 1.92
Flathead River near Perma 0.65 1.09 2.2 3.2 1.8 3.50 10.90 4.51 1.90
Clark Fork near Gold Creek 0.34 1.22 3.1 6.3 3.0 5.00 5.58 4.22 2.09
Little Blackfoot River near Avon 0.52 1.15 2.2 3.1 2.0 1.69 2.48 3.62 0.52
Blackfoot River (old bridge) west of Lincoln 0.07 0.38 1.1 1.5 4.0 3.00 7.80 3.03 1.00
Beaverhead River north of Dillon 0.80 1.41 2.3 3.2 1.7 2.67 1.62 3.62 0.98
Jefferson River north of Three Forks 0.35 0.75 1.2 1.9 1.9 3.33 8.47 3.87 0.90
Blackfoot River (old bridge) west of Lincoln 0.07 0.38 1.1 1.5 4.0 3.00 8.60 3.12 1.41
Big Hole River southwest of Twin bridges 0.82 1.52 2.4 3.2 1.7 3.67 5.25 4.58 1.27
Sun River north of Augusta 1.06 2.26 4.4 6.1 2.0 3.50 2.83 4.77 1.17
Big Hole River near Melrose 1.11 2.34 4.1 6.2 1.9 7.00 4.10 5.15 2.23
Yellowstone River near Pray 1.63 3.63 5.2 6.5 1.8 3.00 6.32 6.48 1.67
Yellowstone River south of Livingston 0.95 2.19 3.5 4.6 1.9 10.00 6.00 5.44 3.13
Boulder River near Basin 1.15 2.28 4.4 6.4 2.0 1.69 2.60 4.82 0.32
Yellowstone River near Pray 1.63 3.63 5.2 6.5 1.8 3.00 7.10 6.66 1.20
Madison River south of Cameron 1.18 3.14 5.9 10.0 2.2 2.80 3.01 5.53 0.86
Swan River east of Ferndale 1.37 2.87 4.5 5.7 1.8 3.00 5.00 5.84 0.80
Madison River south of Cameron 1.18 3.14 5.9 10.0 2.2 2.80 3.22 5.64 0.78
Missouri River near Townsend 0.47 1.17 2.5 3.4 2.3 3.00 8.18 4.74 1.43
Blackfoot River (new bridge) west of Lincoln 0.07 0.38 1.1 1.5 4.0 2.00 5.24 3.04 0.76
Clark Fork near Superior 0.79 2.10 4.1 5.7 2.3 5.00 9.76 5.98 2.10
Yaak River near Troy 1.81 4.25 7.4 10.4 2.0 3.50 3.95 6.51 1.05
Clark Fork near Drummond 0.62 1.09 1.7 2.4 1.7 1.67 3.80 4.12 0.70
Little Blackfoot River near Garrison 0.57 2.26 3.9 5.0 2.6 2.00 2.41 4.87 0.60
Jefferson River north of Twin bridges 1.13 2.39 4.5 5.8 2.0 3.00 7.27 5.98 1.35
Flathead River near Perma 0.65 1.09 2.2 3.2 1.8 3.80 17.80 5.42 2.81
Sun River north of Augusta 1.06 2.26 4.4 6.1 2.0 3.50 3.12 5.18 1.38
Clark Fork above Flathead River, near Paradise 0.64 2.16 4.5 6.3 2.7 3.50 10.70 6.34 2.29
Yaak River near Troy 1.81 4.25 7.4 10.4 2.0 3.50 4.50 6.97 1.00
Big Hole River west of Divide 0.93 2.81 6.1 7.5 2.6 4.00 4.54 6.09 1.36
Clark Fork below Flathead River, near Paradise 0.74 1.23 2.0 2.7 1.7 4.33 14.90 5.65 2.66
Big Hole River east of Wise River 1.59 4.02 6.9 10.4 2.1 2.00 7.51 7.50 1.14
Madison River south of Cameron 1.18 3.14 5.9 10.0 2.2 2.80 3.22 6.09 0.79
Yellowstone River near Pray 1.63 3.63 5.2 6.5 1.8 3.00 8.97 7.61 1.40
Boulder River south of Big Timber 1.70 3.02 4.9 6.7 1.7 3.60 8.71 7.17 0.99
Clark Fork near Superior 0.79 2.10 4.1 5.7 2.3 5.00 8.96 6.43 3.54
Clark Fork below Flathead River, near Paradise 0.74 1.23 2.0 2.7 1.7 4.33 17.60 6.03 6.43
Boulder River at I-90, near Cardwell 0.10 0.67 1.7 3.3 4.1 3.00 4.73 4.00 1.37
Sun River north of Augusta 1.06 2.26 4.4 6.1 2.0 3.50 3.60 5.74 1.50
Big Hole River east of Wise River 1.59 4.02 6.9 10.4 2.1 2.00 7.09 7.79 1.12
Big Hole River east of Wise River 1.59 4.02 6.9 10.4 2.1 2.00 7.41 7.89 1.44
Swan River east of Ferndale 1.37 2.87 4.5 5.7 1.8 3.00 7.36 7.09 1.15
Belt Creek 7 mi south of Belt 0.59 1.76 3.5 4.9 2.4 3.50 6.88 5.97 2.13
South Willow Creek near Harrison 0.34 1.51 3.0 4.3 3.0 1.00 1.85 4.57 0.60
Yellowstone River near Pine Creek 0.43 2.15 4.5 6.9 3.2 3.50 10.30 6.85 2.95
Jefferson River north of Twin bridges 1.13 2.39 4.5 5.8 2.0 3.00 7.83 6.80 2.06
Yellowstone River near Pray 1.63 3.63 5.2 6.5 1.8 3.00 9.77 8.13 1.63
Big Hole River west of Divide 0.93 2.81 6.1 7.5 2.6 4.00 4.76 6.65 1.35
Mill Creek near Pray 1.27 2.65 5.1 6.5 2.0 2.00 2.12 5.73 0.53
Gallatin River west of Bozeman 1.79 2.77 4.3 5.6 1.5 3.00 3.61 6.45 0.68
Clark Fork at Missoula 1.12 2.65 4.8 6.6 2.1 3.25 15.40 8.14 1.95
Madison River near Three Forks 0.78 1.17 1.7 2.2 1.5 3.00 2.73 4.67 1.47
North Fork Blackfoot River near Ovando 1.02 1.97 3.7 5.0 1.9 1.69 2.06 5.33 0.45
Mill Creek near Pray 1.27 2.65 5.1 6.5 2.0 2.00 2.52 6.10 0.75
Clark Fork near Alberton 0.71 1.81 3.8 5.5 2.3 3.00 12.40 7.02 2.11
Kootenai River near Libby 1.08 2.28 3.7 5.0 1.8 4.00 6.93 6.91 1.87
Shields River near Wilsall 0.98 1.99 3.5 4.5 1.9 2.50 1.37 5.04 0.45
Little Blackfoot River near Garrison 0.57 2.26 3.9 5.0 2.6 2.00 2.70 5.98 0.75
Missouri River near Townsend 0.47 1.17 2.5 3.4 2.3 3.00 8.47 5.83 1.23
Clark Fork south of Drummond 0.21 1.35 3.4 4.6 4.0 3.00 5.77 5.79 1.53
Big Hole River west of Divide 0.93 2.81 6.1 7.5 2.6 4.00 4.94 7.21 0.76
Boulder River near Cardwell 0.10 0.67 1.7 3.3 4.1 3.00 4.71 4.45 0.71
Little Blackfoot River near Avon 0.52 1.15 2.2 3.1 2.0 1.69 3.18 5.06 1.47
Jefferson River north of Twin bridges 1.13 2.39 4.5 5.8 2.0 3.00 6.02 7.21 2.33
Blackfoot River (new bridge) west of Lincoln 0.07 0.38 1.1 1.5 4.0 2.00 4.76 3.78 0.84
Wisconsin Creek near Sheridan 0.91 1.88 3.1 4.1 1.8 1.02 1.40 5.27 0.40
Smith River at old truss bridge, southeast of Ulm 0.78 1.54 3.4 4.8 2.1 3.53 7.88 6.59 0.85
Clark Fork below Flathead River, near Paradise 0.74 1.23 2.0 2.7 1.7 4.33 13.50 6.73 7.00
Clark Fork at Turah bridge 0.82 1.94 3.4 4.8 2.0 3.00 6.30 6.97 1.94
Jefferson River west of Three Forks 0.23 0.88 2.2 3.5 3.1 3.30 15.90 6.25 2.08
Boulder River at I-90 near Big Timber 1.85 3.33 5.4 7.7 1.7 3.60 2.44 7.22 0.90
Gallatin River near Logan 0.70 1.31 2.3 3.0 1.8 2.80 5.80 6.24 1.70
Yellowstone River near Pine Creek 0.43 2.15 4.5 6.9 3.2 3.50 11.50 8.25 3.05
Yellowstone River at Emigrant 0.57 1.31 2.7 3.7 2.2 4.00 9.69 6.84 2.81
Boulder River at I-90, near Cardwell 0.10 0.67 1.7 3.3 4.1 3.00 5.67 5.02 2.03
Blackfoot River (new bridge) west of Lincoln 0.07 0.38 1.1 1.5 4.0 2.00 5.04 4.08 1.16
South Boulder River near Cardwell 1.15 2.17 4.4 6.1 1.9 1.60 2.24 6.38 0.64
North Fork Blackfoot River west of Lincoln 0.88 1.44 2.4 3.2 1.6 3.00 2.84 5.81 0.56
Clark Fork below Flathead River, near Paradise 0.74 1.23 2.0 2.7 1.7 4.33 14.80 7.39 6.50
Missouri River near Townsend 0.47 1.17 2.5 3.4 2.3 3.00 10.00 6.83 2.99
Belt Creek 2 mi southeast of Belt 0.91 1.56 3.0 4.3 1.8 2.00 2.86 6.11 1.14
Madison River near Three Forks 0.78 1.17 1.7 2.2 1.5 3.00 1.76 5.22 1.10
Clark Fork below Flathead River, near Paradise 0.74 1.23 2.0 2.7 1.7 4.33 12.50 7.38 4.24
Boulder River near McLeod 1.26 2.19 4.3 5.0 1.8 3.00 4.72 7.64 0.80
Clark Fork below Flathead River, near Paradise 0.74 1.23 2.0 2.7 1.7 4.33 13.90 7.59 5.06
Gallatin River west of Bozeman 1.79 2.77 4.3 5.6 1.5 3.00 4.49 8.33 1.25
South Boulder River near Cardwell 1.15 2.17 4.4 6.1 1.9 1.60 0.80 5.78 0.40
Belt Creek 6 mi south of Belt 0.57 1.50 3.0 4.1 2.3 3.50 2.80 6.45 1.85
North Fork Blackfoot River west of Lincoln 0.88 1.44 2.4 3.2 1.6 3.00 3.94 6.77 1.46

Note: Blank cells indicate data are not available.

 

 

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