business sensitive 1 pavement health track analysis tool for determining the health of pavement...
TRANSCRIPT
![Page 1: BUSINESS SENSITIVE 1 Pavement Health Track Analysis Tool for Determining the Health of Pavement Networks Sponsored by FHWA Contractor: Battelle/ARA Team](https://reader035.vdocument.in/reader035/viewer/2022070412/5697bf7a1a28abf838c832aa/html5/thumbnails/1.jpg)
BUSINESS SENSITIVE1
Pavement Health Track Analysis Tool for Determining the Health of Pavement
Networks
Sponsored by FHWAContractor: Battelle/ARA Team
Butch Wlaschin, P.E., FHWASteve Gaj, FHWA,
Maks Alam, P.E., Battelle
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BUSINESS SENSITIVE2
Pavement Health Track Analysis Tool Project Background
Derived from FHWA Office of Policy sponsored R&D project where Battelle/ARA developed simplified version of ME-PDG mechanistic-empirical pavement prediction models for use in the Highway Economic Requirement System (HERS) and the Highway Cost Allocation (HCA) for Truck Size & Weight StudyDeveloped under:
NCHRP Project 1-37ANCHRP Project 1-40ANCHRP Project 1-40BNCHRP Project 1-40D
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BUSINESS SENSITIVE3
About Pavement Health Track Analysis Tool
• Uses new ME-PDG mechanistic-empirical pavement prediction models, ME-PDG level 3 defaults, and the HPMS 2010 database (or PMS database)
• Aligns pavement “design” and “performance” through common ME-PDG models and principle
• Moves beyond IRI, uses key performance indicators (cracking, faulting, rutting, and smoothness) to track pavement health.
• Currently is being tested with state DOT’s for compatibility.
• Network tool to better manage highway pavements.
• Expected full release in 2010.
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BUSINESS SENSITIVE4
HPMS 2010/PMS data
PROCESS RAW DATA
COMPUTE CRITICAL PAVEMENT DISTRESSES
NEW HMA & HMA/HMA•Alligator Cracking•Rutting in Wheel Path•Transverse Cracking•Smoothness (IRI)
NEW RIGID (JPCP)•Transverse Cracking•Transverse Joint Faulting•Smoothness (IRI)
COMPOSITE HMA/PCC•Reflection Cracking•Smoothness (IRI)
OUTPUTS•Adjusted Predicted Distresses•Remaining Service Life
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BUSINESS SENSITIVE5
Pavement Health Using RSL
• Pavement health defined as the time in age or load applications from initial construction or reconstruction to first major rehabilitation as warrented by pavement ride and structural conditions
• Flexible enough to adjust the terminal values as defined by the owner
Initial ConstructionOr
Reconstruction
First MajorRehab
Dis
tres
s or
IR
I
*Current
Distress/IRILevel
*
RL
Terminal Distress/IRI
Current Age
ABC
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BUSINESS SENSITIVE6
Example Application of ME-PDG Models to Determine RSL
Cracking
0
20
40
60
80
100
0 5 10 15 20 25
Pavement age, yrs
Pe
rce
nt C
rack
ed
S
lab
sFaulting
0.0
0.1
0.2
0.3
0.4
0 5 10 15 20 25
Pavement age, yrs
Fau
lting
, in
IRI
50
100
150
200
250
300
0 5 10 15 20 25
Pavement age, yrs
IRI,
in/m
i
Spalling
0
20
40
60
80
100
0 5 10 15 20 25
Pavement age, yrs
Pe
rce
nt jo
int
spa
lled
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BUSINESS SENSITIVE7
Example Application to Determine RSL (Triggered by Critical Distress)• Current age = 10 years
• Critical distress is slab cracking– Remaining life triggered by excessive cracking is 5 years
Key performance Indicators
Predicted Life (Age in Years)
Remaining Life(Age in Years)
Cracking 15 5
Faulting 20 10+
Rutting 20 10
IRI 20 10+
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BUSINESS SENSITIVE8
Pavement Health Track Analysis Tool’s Example Output (Network)
0
10
20
30
40
50P
erc
en
t o
f N
etw
ork
Pa
ve
me
nt
I
(0-2)
III
(8-12)
II
(3-7)
IV
(13-17)
V
(18-22)
VI
(23-27)
(Years)
Pavement Remaining Life Categories
From Michigan DOT -- Galehouse
19%
10%
40%
8%
6%
17%
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BUSINESS SENSITIVE9
Pavement Health Distribution: I-35, Iowa
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BUSINESS SENSITIVE10
Distress Distribution Along I-35, Iowa
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BUSINESS SENSITIVE11
Health Index Along I-35, Iowa: Trigger by Terminal Distresses
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BUSINESS SENSITIVE12
Health Index Along Corridor: I35, Iowa
NBI Rating
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BUSINESS SENSITIVE13
Potential Uses of Pavement Health Track Analysis Tool Distribution Charts
• Estimate the pavement health for the pavement network or a corridor
• Detect uneven distribution of pavement health which may effect the future rehabilitation, preventive maintenance, budgetary and workload needs.
• Combine with performance indices of bridges and roadway congestion to prioritize rehabilitation and maintenance
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BUSINESS SENSITIVE14
Contact Information
For further information please contact:
Nastaran Saadatmand, P.E. FHWA
Email: [email protected]
Tel: 202-366-1337