KY - c.ymcdn.com · - RC Box Culverts - BRASS Program ... RC Box Culvert Rating Results. Total....
Transcript of KY - c.ymcdn.com · - RC Box Culverts - BRASS Program ... RC Box Culvert Rating Results. Total....
Load Rating of Bridge Size Culverts
Department of Civil Engineering University of Kentucky Kentucky Transportation Center
by Abheetha Peiris, Issam Harik, & Others
7th KEC Bridge Seminar January 31st 2018
Outline- Kentucky’s Culverts- RC Box Culverts- BRASS Program- Field Measurements- Conclusions- Acknowledgment
1241
29 25 10 10 6 2 20
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Box RC RC Arch Metal Arch Concrete Arch RC Slab Conspan Arch Masonary Arch Metal Tunnel
Num
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of S
truc
ture
s
Structure Type
RC Box Culverts
009B00069L091B00026N
RC Arch CulvertsMetal Arch Culverts
076B00068N
Concrete Arch Culverts
059B00034N
Outline- Kentucky’s Culverts
- RC Box Culverts- BRASS Program- Field Measurements- Conclusions- Acknowledgment
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164
139
427
183
5151
79
31
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96
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1910-1919 1920-1929 1930-1939 1940-1949 1950-1959 1960-1969 1970-1979 1980-1989 1990-1999 2000-2009 2010-2019 No Data
Num
ber
of C
ulve
rts
Design Year for RC Box Culverts
1241 Culverts
34%
162
846
223
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1 2 3 4 5 6 7
Num
ber
of C
ulve
rts
Number of Cells
Number of Cells for RC Box Culverts
1241 Culverts
68%
65
1048
106
1 210
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1200
0'-9' 10'-19' 20'-30' 31'-35' No Data
Num
ber
of C
ulve
rts
Cell Clear Span Lentgh (ft)
Cell Clear Span for RC Box Culverts
1241 Culverts
84%
270
821
124
4 121
0
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900
0'-5' 6'-10' 11'-15' 16'-20' 21'-25' No Data
Num
ber
of C
ulve
rts
Cell Clear Height (ft)
Cell Clear Height for RC Box Culverts
1241 Culverts
66%
126
757
118146
49 45
0
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-1 0'-5' 6'-8' 8'-15' 16'-20' 21'-50'
Num
ber
of C
ulve
rts
Fill Height (ft)
Fill Height for RC Box Culverts
1241 Culverts
61%
828
397
160
100
200
300
400
500
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900
YES NO No Data
Num
ber
of C
ulve
rts
Bottom Slab for RC Box Culverts
1241 Culverts
67%
1191
32 180
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SIMPLE FIXED No Data
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ber
of C
ulve
rts
Moment Continuity for RC Box Culverts
1241 Culverts
96%
Outline- Kentucky’s Culverts- RC Box Culverts
- BRASS Program- Field Measurements- Conclusions- Acknowledgment
Total PercentageRF = 0.0 153 13.1
0.0 < RF < 0.5 130 11.10.5 < RF < 1.0 475 40.6
RF > 1.0 411 35.2
Total 1169 100.0
LFR HS 20 Inventory Rating for RC Box Culverts
153 (13.1%)130 (11.1%)
475 (40.6%)
411 (35.2%)
0
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500
RF = 0.0 0.0 < RF < 0.5 0.5 < RF < 1.0 RF > 1.0
Num
ber
of C
ulve
rts
LFR HS20 INV Rating Factor for all counties
Failure Type Total Percentage
Flexural failure – Top slab 868 74.3
Flexural Failure – Wall 19 1.6
Flexural Failure – Bottom slab 40 3.4
Shear Failure – Top slab 236 20.2
Shear Failure – Wall 5 0.4
Shear Failure – Bottom slab 1 0.1
Total 1169 100.0
LFR HS 20 Inventory Rating for RC Box Culverts
Outline- Kentucky’s Culverts- RC Box Culverts- BRASS Program
- Field Measurements- Conclusions- Acknowledgment
Culvert Fill Height Measurement in Bourbon County
University of KentuckyKentucky Transportation Center
Link to Culvert Map: https://drive.google.com/open?id=1f290bzsz_JFsZWMKEN9BN7PnTaQ&usp=sharing
Outline- Kentucky’s Culverts- RC Box Culverts- BRASS Program- Field Measurements
- Conclusions- Acknowledgment
Outline- Kentucky’s Culverts- RC Box Culverts- BRASS Program- Field Measurements- Conclusions
- Acknowledgment
Acknowledgment- Kentucky Transportation Cabinet
- Federal Highway Administration
David Steele Anne Irish Erin Van Zee Dora Alexander Michael Edwards Tyler Blair