H-M of a Long Span Bridge
5
H H - - M of a Long Span Bridge M of a Long Span Bridge Case Study Case Study - 1
Transcript of H-M of a Long Span Bridge
HH--M of a Long Span BridgeM of a Long Span Bridge
Case Study Case Study -- 11
Field Studies at CBBField Studies at CBB
Sensor Installation at Tower
Preparation of the Pier Cabinet for DAQ
Rock Climbing Gear
Data Acq. During Damper Testing
CBB Instrumentation Map for the CBB Instrumentation Map for the Phenomena to be MeasuredPhenomena to be Measured
Pier W2
Pier W1
Pier E1
Pier E2
PP45
PP36PP27
PP08
ACB
D
E
F G
HJ
Toll Plaza
Total Data Channels = 485
K
Video CameraWind Sensor
WIM
PHENOMENATraffic
Weather
MEASURANDImageSpeed & WeightAir TemperatureRelative Humidity
Wind Speed & Dir.
SENSOR
Solar Radiation
Bridge Responses
Live Load StrainsEnviron. Strains
DisplacementsTiltsAccelerations
Video CameraWIM System
Temperature
Ultrasonic Wind
Weather Station
Q.B. Strain GageV.W. Strain Gage
V.W. CrackmeterV.W. TiltmeterCap. Accelerometer
Thermistor
QTY4
2 Lanes
4
1
56148
173616
201
LOCATIONSD , E J
K,
G
E , G ,C , D E, F,A , C D, E F J, , ,A , C D, E F G J, , , ,A , D F, J,A , C D, F G J, , ,B , D F, H,
CBB Instrumentation LANCBB Instrumentation LAN
Administration Building
Bridge Module(LabVIEW)
Data ServerModule
(LabVIEW)
Short Haul Modem
Direct Copper
Internet (T1)Fiber LAN
Campbell CR10X
Optim MEGADAC
Handar 555C
Sony EVI
Weigh-In-Motion
Administration Building
Internet
Static and Crawl Speed Load TestStatic and Crawl Speed Load Test
5-7 mph
0 10 20 30 40 50 60 70-5
0
5
10
15
20
25
30
35
PP27
panel points
Str
ain
(mic
rost
rain
)
L1
PP36
South Hanger Strains (L1)
13'-0"13'-0" 11'-4" 11'-4" 11'-4"
987654321
N 1 2 3 4 5 S
Stringer
Time (sec) and Position of Load
Str
ain
(m
icro
stra
in)
14000 200 400 600 800 1000 1200-50
0
50
100
150
200
250
PP26
1'
PP26
PP25
NorthSouth
L1
Stringer 8
PP25
Repeatability Check
L.C. 1 ( Crane A)
L.C. 7 ( Crane A+B)
L.C. 7 ( Crane A)
L.C. 4 ( Crane A)
Single Crane During Crawl Speed Test
Static Test DataFor Stringer b/wPP25-PP26
Crawl Speed TestData for Influence Line Generation
