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 Support@roadprofile.com

www.RoadProfile.com

www.RoadProfile.com

THANK YOU!