r - The Hong Kong Polytechnic University

Type of
Input Data
Type of Data
Processing
Type of Data
Classification
Type of Data
Measurements
& Analysis
Type of Measured/Derived
Parameters
Type of Plots
Testing
Program
Truck
Data
GPS
D-Str
Analyzed
Results
Selection of
Data at
the same
time period of
the load test
Data
Classification
Longitudinal
Line Load
Uniformly
Distributed Load
Transverse
Line Load
Moving Load
Longitudinal
Line Load
Effects at towertops,
¼, ½, & ¾
of main span
Uniformly
Distributed Load
Effects at towertops,
¼, ½, & ¾
of main span
Knife Edge Load
Effects at towertops,
¼, ½, & ¾
of main span
Super-position of
Analyzed Results
Stress/forces
Influence Lines
Displacement
Influence Lines
Single Load Effects
of Stresses &
Displacements at
tower-tops, ¼, ½, & ¾
of main span for
each load test
(Measurement)
Multi-Load Effects
of Stresses &
Displacements at
tower-tops, ¼, ½, & ¾c
of main span for
combined load-tests
(by Super-position
-Simulation)
Displacement Ranges
at Instrumented Points
Stress Ranges
at Instrumented Points
Load-Deflection Plots of
Longitudinal Line Load-Effects
at respective tower-tops,
¼,1/2, & ¾ main span
Load-Deflection Plots of
Uniformly Distributed Load-
Effects at respective tower-tops,
¼, ½, &3/4 main span
Load-Deflection Plots of
Transverse Line Load-Effects
at respective tower-tops,
¼,1/2, & ¾ main span
Load-Stress/Moment Plots of
Longitudinal Line Load-Effects
In deck sections at towers,
¼,1/2, & ¾ main span
Load-Stress/Moment Plots of
Uniformly Distributed Load-
Effects in deck sections at
Towers, ¼, ½, &3/4 main span
Load-Stress/Moment Plots of
Transverse Line Load-Effects
In deck sections at towers,
¼,1/2, & ¾ main span
Displacement Influence Lines
at each GPS and comparison
with Analyzed Results
Stress Influence Lines at
each D-Str (in deck-trough
section) and comparison
with Analyzed Results
Figure 20 Flow Diagram of Customized Software Tools for Global Static Features Monitoring
A A
3
6
A 2
A 5
A 1 A 4
Accelerometer
B
Vertical Acceleration =
Lateral Acceleration =
A3 + 6
A
2
A2 + 5
A
2
Torsional Acceleration = TAN -1 | A A6|
B
3 −
Accelerometer
Longitudinal Acceleration =
A 4
1+ A
2
A
i = Direction of time-series acceleration, where i = 1, 2, 3, 4, 5, 7 & 6.
Note: All 3D-Accelerometers at a deck section must be installed in the same vertical plane.
Figure 21 Arrangement of Accelerometers in Steel Deck Section
-275-