non-destructive pavement testing atconferences.illinois.edu/the/webpdf/rowden.pdf · 2004-04-15 ·...
TRANSCRIPT
![Page 1: Non-Destructive Pavement Testing atconferences.illinois.edu/the/webpdf/ROWDEN.pdf · 2004-04-15 · Non-Destructive Pavement Testing at IDOT LaDonna R. Rowden, P.E. Pavement Technology](https://reader034.vdocument.in/reader034/viewer/2022042023/5e7b4d12c51f42415c410925/html5/thumbnails/1.jpg)
Non-DestructivePavement Testing atIDOT
LaDonna R. Rowden, P.E.Pavement Technology Engineer
![Page 2: Non-Destructive Pavement Testing atconferences.illinois.edu/the/webpdf/ROWDEN.pdf · 2004-04-15 · Non-Destructive Pavement Testing at IDOT LaDonna R. Rowden, P.E. Pavement Technology](https://reader034.vdocument.in/reader034/viewer/2022042023/5e7b4d12c51f42415c410925/html5/thumbnails/2.jpg)
Bureau of Materials and Physical Research
Physical Research Section
BridgeInvestigations
Unit
PavementTechnology
Unit
ProductsEvaluation
Unit
TechnicalServices
Unit
OperationsSub-Unit
Pavement DataManagement
Sub-Unit
![Page 3: Non-Destructive Pavement Testing atconferences.illinois.edu/the/webpdf/ROWDEN.pdf · 2004-04-15 · Non-Destructive Pavement Testing at IDOT LaDonna R. Rowden, P.E. Pavement Technology](https://reader034.vdocument.in/reader034/viewer/2022042023/5e7b4d12c51f42415c410925/html5/thumbnails/3.jpg)
Types of Testing
Pavement Surface Distress andRiding Quality
Skid Resistance (Pavement Friction)
Falling Weight Deflectometer (FWD)
![Page 4: Non-Destructive Pavement Testing atconferences.illinois.edu/the/webpdf/ROWDEN.pdf · 2004-04-15 · Non-Destructive Pavement Testing at IDOT LaDonna R. Rowden, P.E. Pavement Technology](https://reader034.vdocument.in/reader034/viewer/2022042023/5e7b4d12c51f42415c410925/html5/thumbnails/4.jpg)
Pavement Surface Distressand Riding Quality
![Page 5: Non-Destructive Pavement Testing atconferences.illinois.edu/the/webpdf/ROWDEN.pdf · 2004-04-15 · Non-Destructive Pavement Testing at IDOT LaDonna R. Rowden, P.E. Pavement Technology](https://reader034.vdocument.in/reader034/viewer/2022042023/5e7b4d12c51f42415c410925/html5/thumbnails/5.jpg)
Pavement Surface Distress
Six cameras record images from theroadway– Three front-facing perspective– One rear-facing– Two pairs of down-facing (only one set
collects at a time)
Images collected at a rate of 3 to 1,downward to perspective
![Page 6: Non-Destructive Pavement Testing atconferences.illinois.edu/the/webpdf/ROWDEN.pdf · 2004-04-15 · Non-Destructive Pavement Testing at IDOT LaDonna R. Rowden, P.E. Pavement Technology](https://reader034.vdocument.in/reader034/viewer/2022042023/5e7b4d12c51f42415c410925/html5/thumbnails/6.jpg)
International Roughness Index– Measurement relating how passengers
perceive the roughness of the pavement.– Pavement Profile analyzed using a
quarter-car simulation.– Collected in each wheelpath using lasers.– Recorded in inches/mile (mm/km).
Pavement Riding Quality
![Page 7: Non-Destructive Pavement Testing atconferences.illinois.edu/the/webpdf/ROWDEN.pdf · 2004-04-15 · Non-Destructive Pavement Testing at IDOT LaDonna R. Rowden, P.E. Pavement Technology](https://reader034.vdocument.in/reader034/viewer/2022042023/5e7b4d12c51f42415c410925/html5/thumbnails/7.jpg)
International RoughnessIndex (IRI)
Over 320Rough
191 to 320Medium
0 to 190Smooth
VALUERATING
Subjective Ratings for All Countries
![Page 8: Non-Destructive Pavement Testing atconferences.illinois.edu/the/webpdf/ROWDEN.pdf · 2004-04-15 · Non-Destructive Pavement Testing at IDOT LaDonna R. Rowden, P.E. Pavement Technology](https://reader034.vdocument.in/reader034/viewer/2022042023/5e7b4d12c51f42415c410925/html5/thumbnails/8.jpg)
Pavement Riding Quality
Rut Depth– Permanent deformation of the pavement
surface due to wheel loads.– Collected through lasers in each
wheelpath.– Recorded in inches (mm).
![Page 9: Non-Destructive Pavement Testing atconferences.illinois.edu/the/webpdf/ROWDEN.pdf · 2004-04-15 · Non-Destructive Pavement Testing at IDOT LaDonna R. Rowden, P.E. Pavement Technology](https://reader034.vdocument.in/reader034/viewer/2022042023/5e7b4d12c51f42415c410925/html5/thumbnails/9.jpg)
Pavement Riding Quality
RWP LWPCEN
LWGRWGRWG LWG
RWP CEN LWP
Calculations:Left Rut Depth: LWP-(CEN+LWG)/2Right Rut Depth: RWP-(CEN+RWG)/2Center Rut Depth: (RWP+LWP)/2-CEN
![Page 10: Non-Destructive Pavement Testing atconferences.illinois.edu/the/webpdf/ROWDEN.pdf · 2004-04-15 · Non-Destructive Pavement Testing at IDOT LaDonna R. Rowden, P.E. Pavement Technology](https://reader034.vdocument.in/reader034/viewer/2022042023/5e7b4d12c51f42415c410925/html5/thumbnails/10.jpg)
Pavement Surface Distressand Riding Quality
Information stored in a database.IDOT has 15 workstations forreviewing images and data.Select 5 predominant distresses.CRS value determined from distressesand ride quality data.
![Page 11: Non-Destructive Pavement Testing atconferences.illinois.edu/the/webpdf/ROWDEN.pdf · 2004-04-15 · Non-Destructive Pavement Testing at IDOT LaDonna R. Rowden, P.E. Pavement Technology](https://reader034.vdocument.in/reader034/viewer/2022042023/5e7b4d12c51f42415c410925/html5/thumbnails/11.jpg)
Pavement Inventory
Interstates Tested Annually
Non-Interstates Tested Biannually– Even Years: 1 (Cook Co.), 4, 5, 8, 9– Odd Years: 1 (Collar Co.), 2, 3, 6, 7
Special Requests
![Page 12: Non-Destructive Pavement Testing atconferences.illinois.edu/the/webpdf/ROWDEN.pdf · 2004-04-15 · Non-Destructive Pavement Testing at IDOT LaDonna R. Rowden, P.E. Pavement Technology](https://reader034.vdocument.in/reader034/viewer/2022042023/5e7b4d12c51f42415c410925/html5/thumbnails/12.jpg)
SKIDRESISTANCE
(Pavement Friction) Slippery
when
wet
Sharon HaasisBureau of Materials & Physical Research
![Page 13: Non-Destructive Pavement Testing atconferences.illinois.edu/the/webpdf/ROWDEN.pdf · 2004-04-15 · Non-Destructive Pavement Testing at IDOT LaDonna R. Rowden, P.E. Pavement Technology](https://reader034.vdocument.in/reader034/viewer/2022042023/5e7b4d12c51f42415c410925/html5/thumbnails/13.jpg)
SKID TRAILER
![Page 14: Non-Destructive Pavement Testing atconferences.illinois.edu/the/webpdf/ROWDEN.pdf · 2004-04-15 · Non-Destructive Pavement Testing at IDOT LaDonna R. Rowden, P.E. Pavement Technology](https://reader034.vdocument.in/reader034/viewer/2022042023/5e7b4d12c51f42415c410925/html5/thumbnails/14.jpg)
FRICTION NUMBER (FN)
• Represents the frictional properties of thepavement.
• Used to evaluate skid resistance of thepavement relative to other pavements.
• Used to evaluate the change in skid resistance of the pavement with time.
![Page 15: Non-Destructive Pavement Testing atconferences.illinois.edu/the/webpdf/ROWDEN.pdf · 2004-04-15 · Non-Destructive Pavement Testing at IDOT LaDonna R. Rowden, P.E. Pavement Technology](https://reader034.vdocument.in/reader034/viewer/2022042023/5e7b4d12c51f42415c410925/html5/thumbnails/15.jpg)
• FNt represents treaded tire measurements.
• FNs represents smooth tire measurements.
• Treaded tire measures microtexture of pavement.
• Smooth tire measures macrotexture of pavement.
FNt and FNs
![Page 16: Non-Destructive Pavement Testing atconferences.illinois.edu/the/webpdf/ROWDEN.pdf · 2004-04-15 · Non-Destructive Pavement Testing at IDOT LaDonna R. Rowden, P.E. Pavement Technology](https://reader034.vdocument.in/reader034/viewer/2022042023/5e7b4d12c51f42415c410925/html5/thumbnails/16.jpg)
• Microtexture– Irregularities of aggregate surface
– Measured by Treaded Tire
• Macrotexture– Drainage paths between aggregate
particles
– Measured by Smooth Tire
PAVEMENT PROPERTIES
![Page 17: Non-Destructive Pavement Testing atconferences.illinois.edu/the/webpdf/ROWDEN.pdf · 2004-04-15 · Non-Destructive Pavement Testing at IDOT LaDonna R. Rowden, P.E. Pavement Technology](https://reader034.vdocument.in/reader034/viewer/2022042023/5e7b4d12c51f42415c410925/html5/thumbnails/17.jpg)
![Page 18: Non-Destructive Pavement Testing atconferences.illinois.edu/the/webpdf/ROWDEN.pdf · 2004-04-15 · Non-Destructive Pavement Testing at IDOT LaDonna R. Rowden, P.E. Pavement Technology](https://reader034.vdocument.in/reader034/viewer/2022042023/5e7b4d12c51f42415c410925/html5/thumbnails/18.jpg)
• Standard Test Method for SkidResistance of Paved Surfaces Using aFull-Scale Tire– Test Speed of 40 mph
– Water sprayed under tire
– Brake applied
– Torque on axle recorded
– Friction Number calculated
ASTM E274
![Page 19: Non-Destructive Pavement Testing atconferences.illinois.edu/the/webpdf/ROWDEN.pdf · 2004-04-15 · Non-Destructive Pavement Testing at IDOT LaDonna R. Rowden, P.E. Pavement Technology](https://reader034.vdocument.in/reader034/viewer/2022042023/5e7b4d12c51f42415c410925/html5/thumbnails/19.jpg)
• HA - wet weather accident locations.
• NC - new construction and pavement rehabilitation sites.
• RR - reruns of the new construction jobs.
• MS - Miscellaneous test requests (Unknown construction contract numbers and special request jobs).
TESTING CATEGORIES
![Page 20: Non-Destructive Pavement Testing atconferences.illinois.edu/the/webpdf/ROWDEN.pdf · 2004-04-15 · Non-Destructive Pavement Testing at IDOT LaDonna R. Rowden, P.E. Pavement Technology](https://reader034.vdocument.in/reader034/viewer/2022042023/5e7b4d12c51f42415c410925/html5/thumbnails/20.jpg)
• Surface Course Age
• Traffic
• Seasonal Changes
• Speed
INFLUENCES
![Page 21: Non-Destructive Pavement Testing atconferences.illinois.edu/the/webpdf/ROWDEN.pdf · 2004-04-15 · Non-Destructive Pavement Testing at IDOT LaDonna R. Rowden, P.E. Pavement Technology](https://reader034.vdocument.in/reader034/viewer/2022042023/5e7b4d12c51f42415c410925/html5/thumbnails/21.jpg)
REASONS FOR FRICTION TESTING
• Evaluate Mixture Performance– Bituminous Mixture type determined by ADT level
• Mixture C: 0 – 5,000
• Mixture D: 5,001 – 25,000 (4-lane)5,001 – 60,000 (6-lane)
• Mixture E: 25,001 – 100,000 (4-lane)60,001 – 100,000 (6-lane)
• Mixture F: > 100,000
– PCC texture determined by speed limit• Type A Finish: > 40 mph
• Type A or B Finish: ≤ 40 mph
![Page 22: Non-Destructive Pavement Testing atconferences.illinois.edu/the/webpdf/ROWDEN.pdf · 2004-04-15 · Non-Destructive Pavement Testing at IDOT LaDonna R. Rowden, P.E. Pavement Technology](https://reader034.vdocument.in/reader034/viewer/2022042023/5e7b4d12c51f42415c410925/html5/thumbnails/22.jpg)
CATEGORICAL RATING GUIDELINES
FNt < 30 or
FNs < 15
Friction may be a factorcontributing to wetweather accidents
![Page 23: Non-Destructive Pavement Testing atconferences.illinois.edu/the/webpdf/ROWDEN.pdf · 2004-04-15 · Non-Destructive Pavement Testing at IDOT LaDonna R. Rowden, P.E. Pavement Technology](https://reader034.vdocument.in/reader034/viewer/2022042023/5e7b4d12c51f42415c410925/html5/thumbnails/23.jpg)
Contact:
Sharon Haasis, Research EngineerBureau of Materials & Physical Research
Or
LaDonna Rowden Pavement Technology Engineer
Bureau of Materials & Physical Research217-782-8582
QUESTIONS ?
![Page 24: Non-Destructive Pavement Testing atconferences.illinois.edu/the/webpdf/ROWDEN.pdf · 2004-04-15 · Non-Destructive Pavement Testing at IDOT LaDonna R. Rowden, P.E. Pavement Technology](https://reader034.vdocument.in/reader034/viewer/2022042023/5e7b4d12c51f42415c410925/html5/thumbnails/24.jpg)
Falling WeightDeflectometer (FWD)Testing at IDOT
Charles J. Wienrank, P.E.Pavement Analysis Engineer
![Page 25: Non-Destructive Pavement Testing atconferences.illinois.edu/the/webpdf/ROWDEN.pdf · 2004-04-15 · Non-Destructive Pavement Testing at IDOT LaDonna R. Rowden, P.E. Pavement Technology](https://reader034.vdocument.in/reader034/viewer/2022042023/5e7b4d12c51f42415c410925/html5/thumbnails/25.jpg)
What is an FWD?
Impulse loading device used forstructural evaluation of pavements.– Load is applied to pavement that
simulates truck or aircraft wheel loads.– Resulting deflections are measured using
a series of velocity transducers.– Deflection data used to analyze pavement
structure.
![Page 26: Non-Destructive Pavement Testing atconferences.illinois.edu/the/webpdf/ROWDEN.pdf · 2004-04-15 · Non-Destructive Pavement Testing at IDOT LaDonna R. Rowden, P.E. Pavement Technology](https://reader034.vdocument.in/reader034/viewer/2022042023/5e7b4d12c51f42415c410925/html5/thumbnails/26.jpg)
![Page 27: Non-Destructive Pavement Testing atconferences.illinois.edu/the/webpdf/ROWDEN.pdf · 2004-04-15 · Non-Destructive Pavement Testing at IDOT LaDonna R. Rowden, P.E. Pavement Technology](https://reader034.vdocument.in/reader034/viewer/2022042023/5e7b4d12c51f42415c410925/html5/thumbnails/27.jpg)
![Page 28: Non-Destructive Pavement Testing atconferences.illinois.edu/the/webpdf/ROWDEN.pdf · 2004-04-15 · Non-Destructive Pavement Testing at IDOT LaDonna R. Rowden, P.E. Pavement Technology](https://reader034.vdocument.in/reader034/viewer/2022042023/5e7b4d12c51f42415c410925/html5/thumbnails/28.jpg)
Deflection Basin
![Page 29: Non-Destructive Pavement Testing atconferences.illinois.edu/the/webpdf/ROWDEN.pdf · 2004-04-15 · Non-Destructive Pavement Testing at IDOT LaDonna R. Rowden, P.E. Pavement Technology](https://reader034.vdocument.in/reader034/viewer/2022042023/5e7b4d12c51f42415c410925/html5/thumbnails/29.jpg)
Advantages of FWD
Accurately models a moving wheel load.Does not damage pavement.Testing can be done rapidly and at alower cost than destructive testing.– 50 to 60 tests done per hour.– Less disruptive to traffic than destructive
testing.
![Page 30: Non-Destructive Pavement Testing atconferences.illinois.edu/the/webpdf/ROWDEN.pdf · 2004-04-15 · Non-Destructive Pavement Testing at IDOT LaDonna R. Rowden, P.E. Pavement Technology](https://reader034.vdocument.in/reader034/viewer/2022042023/5e7b4d12c51f42415c410925/html5/thumbnails/30.jpg)
Flexible Pavements
Determine structural adequacy of pavement.Determine uniformity of support along a projectand identify weak areas.Estimate subgrade and pavement layer elasticmoduli values.Determine overlay thickness requirements.Develop cost-effective maintenance andrehabilitation alternatives.
![Page 31: Non-Destructive Pavement Testing atconferences.illinois.edu/the/webpdf/ROWDEN.pdf · 2004-04-15 · Non-Destructive Pavement Testing at IDOT LaDonna R. Rowden, P.E. Pavement Technology](https://reader034.vdocument.in/reader034/viewer/2022042023/5e7b4d12c51f42415c410925/html5/thumbnails/31.jpg)
Sample Deflection Profile
05
10152025303540
0+00
6+00
12+00
18+00
24+00
30+00
36+00
42+00
48+00
54+00
60+00
66+00
Test Location
Defl
ect
ion
(m
ils)
![Page 32: Non-Destructive Pavement Testing atconferences.illinois.edu/the/webpdf/ROWDEN.pdf · 2004-04-15 · Non-Destructive Pavement Testing at IDOT LaDonna R. Rowden, P.E. Pavement Technology](https://reader034.vdocument.in/reader034/viewer/2022042023/5e7b4d12c51f42415c410925/html5/thumbnails/32.jpg)
Rigid Pavements
Locate areas of poor support beneath jointedconcrete pavements.Determine load transfer efficiency across jointsand cracks.Estimate subgrade and pavement layer elasticmoduli values.Develop cost-effective maintenance andrehabilitation alternatives.
![Page 33: Non-Destructive Pavement Testing atconferences.illinois.edu/the/webpdf/ROWDEN.pdf · 2004-04-15 · Non-Destructive Pavement Testing at IDOT LaDonna R. Rowden, P.E. Pavement Technology](https://reader034.vdocument.in/reader034/viewer/2022042023/5e7b4d12c51f42415c410925/html5/thumbnails/33.jpg)
IDOT’s FWD Program
Project Level Testing is ≥ 95%3 Main Areas– Local Agency Testing– Monitoring of Experimental Sections– Seasonal Variation Program
![Page 34: Non-Destructive Pavement Testing atconferences.illinois.edu/the/webpdf/ROWDEN.pdf · 2004-04-15 · Non-Destructive Pavement Testing at IDOT LaDonna R. Rowden, P.E. Pavement Technology](https://reader034.vdocument.in/reader034/viewer/2022042023/5e7b4d12c51f42415c410925/html5/thumbnails/34.jpg)
Local Agency Testing
Counties, Cities, Townships, Airports20 to 25 Projects / YearEstimate Remaining Life and OverlayThickness Requirements
![Page 35: Non-Destructive Pavement Testing atconferences.illinois.edu/the/webpdf/ROWDEN.pdf · 2004-04-15 · Non-Destructive Pavement Testing at IDOT LaDonna R. Rowden, P.E. Pavement Technology](https://reader034.vdocument.in/reader034/viewer/2022042023/5e7b4d12c51f42415c410925/html5/thumbnails/35.jpg)
Monitoring ofExperimental Sections
2/3 of TestingDowel Bar ExperimentATREL Test SectionsRubblizing ProjectsOpen-Graded Drainage LayersMechanistic DesignsMiscellaneous
![Page 36: Non-Destructive Pavement Testing atconferences.illinois.edu/the/webpdf/ROWDEN.pdf · 2004-04-15 · Non-Destructive Pavement Testing at IDOT LaDonna R. Rowden, P.E. Pavement Technology](https://reader034.vdocument.in/reader034/viewer/2022042023/5e7b4d12c51f42415c410925/html5/thumbnails/36.jpg)
Seasonal Variation Program
Monthly testing performed at 4locations in the Springfield area.Measured deflections can vary greatlydepending on temperature andmoisture conditions.Deflection data collected during non-critical period is adjusted to reflectworst-case scenario.
![Page 37: Non-Destructive Pavement Testing atconferences.illinois.edu/the/webpdf/ROWDEN.pdf · 2004-04-15 · Non-Destructive Pavement Testing at IDOT LaDonna R. Rowden, P.E. Pavement Technology](https://reader034.vdocument.in/reader034/viewer/2022042023/5e7b4d12c51f42415c410925/html5/thumbnails/37.jpg)
Questions?
LaDonna Rowden Sharon Haasis(217) 782-8582 (217) [email protected] [email protected]
Charles Wienrank(217) [email protected]