project of two metal arch bridges with tubular elements and network suspension system
KY - cdn.ymaws.com · Box RC. RC Arch. Metal Arch. Concrete Arch. RC Slab. Conspan Arch. Masonary...
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Transcript of KY - cdn.ymaws.com · Box RC. RC Arch. Metal Arch. Concrete Arch. RC Slab. Conspan Arch. Masonary...
KY
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
The Others2016-2017 Structures Group
Outline- Kentucky’s Culverts- RC Box Culverts- BRASS Program- Field Measurements- Conclusions- Acknowledgment
1241
29 25 10 10 6 2 20
200
400
600
800
1000
1200
1400
Box RC RC Arch Metal Arch Concrete Arch RC Slab Conspan Arch Masonary Arch Metal Tunnel
Num
ber
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
RC Box Culverts
009B00069L
117
164
139
427
183
5151
79
31
2
96
0
50
100
150
200
250
300
350
400
450
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
8 1 0 10
100
200
300
400
500
600
700
800
900
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
200
400
600
800
1000
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
100
200
300
400
500
600
700
800
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
100
200
300
400
500
600
700
800
-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
600
700
800
900
YES NO No Data
Num
ber
of C
ulve
rts
Bottom Slab for RC Box Culverts
1241 Culverts
67%
1191
32 180
200
400
600
800
1000
1200
1400
SIMPLE FIXED No Data
Num
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
AASHTO MBE 2011
(2nd Edition)
AASHTO MBE 2011
(2nd Edition)For bridges rated in
ASD or LFD
BRASS Culvert
RC Box Culvert Rating Results
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
100
200
300
400
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
009B00054N
Database Field MeasurementFill (ft) 6.0 1.5LFR Inv. RF 0.49 1.23
009B00026N
Database Field MeasurementFill (ft) 14.0 13.0LFR Inv. RF 0.00 0.67
009B00069L
Database Field MeasurementFill (ft) 10.0 5LFR Inv. RF 0.00 1.09
009B00069R
Database Field MeasurementFill (ft) 10.0 6LFR Inv. RF 0.00 0.92
Arch Culverts
Metal Arch Culverts
076B00068N
STAAD Pro.
RC, Concrete, Masonry Arch Culverts
059B00034N
STAAD Pro.
Outline- Kentucky’s Culverts- RC Box Culverts- BRASS Program- Field Measurements
- Conclusions- Acknowledgment
Conclusion
Culvert Rating- Simple Analysis (BRASS)- FE Modeling- Field Testing
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
Questions?
Thank Youand
Have a Nice Day
KY
