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