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BUDAPEST,
HUNGARY2015
ProVAL Longitudinal Profile Analysis Tool by
George Chang, PhD, PETranstec Group, USA
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PROFILING HISTORY
BPR Roughmeter (1940’s)
AASHO Road Test (1950’s)
Maysmeter (1960’s)
Inertial Profilers (1980 ~)
Mobile LiDAR and 3D (2005~)
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PROFILING GUIDE
NCHRP 228 (1980)
Little Book of Profiling (1998)
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PROFILING CONFERENCES
RPUG (1989 ~)
ERPUG (2013~)
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PROFILING SPECIFICATIONS
AASHTO (2010 ~) M328
R54
R56
R57
ASTM (1983~) E950
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PROFILING SOFTWARE
RoadRuf 1990’s
ProVAL 2001 ~
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PROVAL RELEASES –SINCE 2001
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WHO SPONSORS PROVAL ?
US Department of Transportation, Federal Highway Administration (FHWA)
Long Term Pavement Performance Program (LTPP)
FREE to all users!!
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WITH PROVAL YOU CAN…
Import
View
Edit/Filter
Analyze
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IMPORT MANY PROFILE FORMATS
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PROFILE VIEWING
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PROFILE FILTERING
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MANY PROFILE ANALYSES
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POWER SPECTRAL DENSITY(PSD)
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RIDE QUALITY(AASHTO R54)
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SMOOTHNESS ASSURANCE
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GRINDING SIMULATION
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PROFILER CERTIFICATION(AASHTO R56)
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ROLLING STRAIGHT EDGE
0 1 2 3 40
0.5
1.0
1.5
2.0
Wheelbase/Wavelength
Gain
Rolling Straightedge
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JCP FAULT MEASUREMENT(AASHTO R36)
-244.00
-242.00
-240.00
-238.00
-236.00
-234.00
-232.00
-230.00
-1.5 -1 -0.5 0 0.5 1 1.5
Normalized Distance (m)
Ele
va
tio
n (
mm
)
Profile Fitted Shape-Approach Fitted Shape-Leave
Faulting
150 mm
1219 mm 1219 mm
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OPTIMAL WIM LOCATOR(AASHTO M331)
Vehicle Simulation
Ax = B Cy = D
Elevation
Distance
Vehicle Properties
Time
Fs
Fd1
Fd2
Ft1
Ft2
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MAP INTEGRATION
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HOW TO GET TECHNICAL SUPPORT?
Online Helpdesk www.roadprofile.com/proval-support
Email [email protected]
www.RoadProfile.com
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www.RoadProfile.com
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THANK YOU!