Ayres Knowledge Center Scour Evaluation: Bridges with Unknown Foundations | Page 16
Smyrna_to_Hwy_100
Plan: 100_year_PonceInletN-Rev
3/19/2012
RS = 72557.88 Cross section modified with Ayres 2011 survey data between stati
.12
.027
.12
20
Legend
EG 13JAN2012 0520
15
WS 13JAN2012 0520
-2.5 ft/s
-2.0 ft/s
10
-1.5 ft/s
-1.0 ft/s
5
-0.5 ft/s
0.0 ft/s
0
Ground
Ineff
-5
Bank Sta
-10
-15
-20
1000
2000
3000
4000
5000
6000
7000
Station (ft)
Plan: 100-yearRev
E.G. Elev (ft)
Vel Head (ft)
W.S. Elev (ft)
Crit W.S. (ft)
E.G. Slope (ft/ft)
Q Total (cfs)
Top Width (ft)
Vel Total (ft/s)
Max Chl Dpth (ft)
Conv. Total (cfs)
Length Wtd. (ft)
Min Ch El (ft)
Alpha
Frctn Loss (ft)
C & E Loss (ft)
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Supplementary Report
Halifax River Upper Reach RS: 71857.17 Profile: 13JAN2012 0550
5.24 Element
Left OB
Channel
Right OB
0.04 Wt. n-Val.
0.12
0.027
0.033
5.2 Reach Len. (ft)
1099.07
1050.03
1101.91
Flow Area (sq ft)
159.29 24689.61
4422.51
0.000033 Area (sq ft)
159.29 24689.61
4422.51
-42844.3 Flow (cfs)
-14.26 -39621.59 -3208.45
3722.53 Top Width (ft)
112.29
2149.19
1461.05
-1.46 Avg. Vel. (ft/s)
-0.09
-1.6
-0.73
22.23 Hydr. Depth (ft)
1.42
11.49
3.03
7476310 Conv. (cfs)
2488.6 6913949 559872.7
1052.09 Wetted Per. (ft)
112.39
2151.02
1464.3
-17.03 Shear (lb/sq ft)
0
0.02
0.01
1.13 Stream Power (lb/ft s)
6498.5
0
0
0.05 Cum Volume (acre-ft)
5.41
1207.63
117.7
Cum SA (acres)
1.7
54.59
30.59
,-./<&01&2#
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