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UTILIZING LAB TESTS TO PREDICT ASPHALT CONCRETE

2014-10-1  UTILIZING LAB TESTS TO PREDICT ASPHALT CONCRETE OVERLAY PERFORMANCE. Prepared By . Imad L. Al-Qadi, David L. Lippert, Shenghua Wu, Hasan Ozer, Greg Renshaw, Izak M. Said, Arturo F. Espinoza Luque , and Fazal R. Safi . University of Illinois at Urbana -Champaign Timothy R. Murphy . Murphy Pavement Technology, Inc. Abbas Butt

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Utilizing Lab Tests to Predict Asphalt Concrete Overlay ...

2021-11-22  Utilizing Lab Tests to Predict Asphalt Concrete Overlay Performance 2017-12-01 [PDF-3.05 MB] English ... mix design, and material properties on the ultimate performance of the asphalt concrete (AC) overlay. This final report is the third report on this research project. Two interim reports that documented project construction and performance to ...

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Utilizing Lab Tests To Predict Asphalt Concrete Overlay ...

The study of these projects prior to construction, during construction, and for a short monitoring period after construction is intended to determine the impact of various pre-existing pavement conditions, pavement cross-section, mix design, and material properties on the ultimate performance of the asphalt concrete (AC) overlay.

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Utilizing Lab Tests To Predict Asphalt Concrete Overlay ...

Utilizing Lab Tests To Predict Asphalt Concrete Overlay Performance . ... mix design, and material properties on the ultimate performance of the asphalt concrete (AC) overlay. This final report is the third report on this research project. Two interim reports that documented project construction and performance to date have been previously ...

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Utilizing Lab Tests To Predict Asphalt Concrete Overlay ...

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Developer(s) Illinois Flexibility Index Test (I-FIT)

2021-2-23  Utilizing Lab Tests to Predict Asphalt Concrete Overlay Performance. FHWA-ICT-17-020, Urbana, IL: FHWA-ICT-17-020, Urbana, IL: Illinois Center for Transportation, 2017.

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Ali-HVS Evaluation of Thin Asphalt Overlays

2020-1-30  pavement testing to predict the ... overlay treatments used on Portland Cement Concrete (PCC) pavements. Thin Asphalt Overlays (Goal) 14. NEAUPG Annual Fall Meeting – October 18-19, 2017 Research Approach. Research Approach 16 Conduct Laboratory Testing Overlay Tester, Asphalt Pavement Analyzer, AASHTO T283 1 Construct six full-scale ...

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Evaluation of Fabrics, Fibers and Grids in Overlays

2017-1-4  with fabrics, grids, and fibers in the lab­ oratory, in theory, and in the field. MATERIALS Asphalt Concrete Mixture The asphalt concrete mixture selected for use in these laboratory studies consisted of a blend of river gravel, sand and

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‪Izak M. Said‬ - ‪Google Scholar‬

Utilizing lab tests to predict asphalt concrete overlay performance IL Al-Qadi, DL Lippert, S Wu, H Ozer, G Renshaw, TR Murphy, A Butt, ... FHWA-ICT-17-020 , 2017

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Ordinal Logistic Regression Model for Predicting AC ...

2011-1-6  Predicting performance of asphalt concrete (AC) overlay is important for both pavement design and management. Based on 328 AC overlay sections from the long-term pavement performance (LTPP) program, ordinal logistic regression models were developed in this study to predict the probability of severity levels for alligator cracking.

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Developer(s) Illinois Flexibility Index Test (I-FIT)

2021-2-23  Utilizing Lab Tests to Predict Asphalt Concrete Overlay Performance. FHWA-ICT-17-020, Urbana, IL: FHWA-ICT-17-020, Urbana, IL: Illinois Center for Transportation, 2017.

Get Price

Ali-HVS Evaluation of Thin Asphalt Overlays

2020-1-30  pavement testing to predict the ... overlay treatments used on Portland Cement Concrete (PCC) pavements. Thin Asphalt Overlays (Goal) 14. NEAUPG Annual Fall Meeting – October 18-19, 2017 Research Approach. Research Approach 16 Conduct Laboratory Testing Overlay Tester, Asphalt Pavement Analyzer, AASHTO T283 1 Construct six full-scale ...

Get Price

Evaluation of Fabrics, Fibers and Grids in Overlays

2017-1-4  with fabrics, grids, and fibers in the lab­ oratory, in theory, and in the field. MATERIALS Asphalt Concrete Mixture The asphalt concrete mixture selected for use in these laboratory studies consisted of a blend of river gravel, sand and

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Field Analysis of Rutting in Overlays of Concrete ...

the asphalt concrete overlays. The analysis clearly shows the importance of material properties to the development of rutting, particularly the gradation parameters. Eleven of the projects were cored for structural testing in the laboratory. The structural tests clearly show that the resilient modulus and indirect tensile

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Ordinal Logistic Regression Model for Predicting AC ...

2011-1-6  Predicting performance of asphalt concrete (AC) overlay is important for both pavement design and management. Based on 328 AC overlay sections from the long-term pavement performance (LTPP) program, ordinal logistic regression models were developed in this study to predict the probability of severity levels for alligator cracking.

Get Price

Laboratory and Numerical Investigation of Interface ...

Bonded concrete overlay of asphalt (BCOA) is a viable technique for rehabilitating distressed asphalt pavements by bounding a Portland cement concrete overlay to the asphalt pavement. BCOAs are more durable solutions especially for highways and major city intersections where the constant maintenance using bituminous materials is not desirable.

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A Cracking Methodology to Assess Fracture and Fatigue ...

2020-10-13  performance tests to predict the cracking potential of asphalt concrete (AC) mixtures in the laboratory setting. One such test, the Overlay Tester (OT) test, measures the number of cycles to failure of the AC specimens by simulating the

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BONDED CONCRETE OVERLAY OF ASPHALT

2013-12-31  bonded concrete overlays. 2 Brief Overview of Whitetopping Pavements Bonding concrete overlays to asphalt requires that they be more dependent on the integrity of the underlying pavement than would be necessary for an unbonded overlay. This is due to the composite behavior of the pavement structure.

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Design of Concrete Overlays Using Existing Methodologies

2020-3-6  TECH SUMMARY Design of Concrete Overlays Using Existing Methodologies Figure 1. Bonded and unbonded concrete overlay systems (Harrington et al. 2008) Overview of Bonded Concrete Overlays Bonded concrete overlays over existing concrete, asphalt, and composite pavements are used to restore the structural capacity and/or to correct

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Development of a Joint Faulting Model for Unbonded ...

The purpose of the interlayer is to reduce stress transfer between the existing concrete layer and the overlay. Interlayers commonly consist of asphalt or nonwoven geotextile fabric. A laboratory investigation is used to characterize the behavior of interlayers within UBOLs. Beam specimens are tested to evaluate four different mechanisms.

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Laboratory Testing of Fabric lnterlayers for Asphalt ...

Laboratory Testing of Fabric lnterlayers for Asphalt Concrete Paving: Interim Report ROGER D. SMITH Because of the proliferation of paving products being presented as reflection crack retarders, the need developed for laboratory tests that can be used as a screening device to avoid the extensive costs and delays associated with full-scale field ...

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Ali-HVS Evaluation of Thin Asphalt Overlays

2020-1-30  pavement testing to predict the ... overlay treatments used on Portland Cement Concrete (PCC) pavements. Thin Asphalt Overlays (Goal) 14. NEAUPG Annual Fall Meeting – October 18-19, 2017 Research Approach. Research Approach 16 Conduct Laboratory Testing Overlay Tester, Asphalt Pavement Analyzer, AASHTO T283 1 Construct six full-scale ...

Get Price

Ordinal Logistic Regression Model for Predicting AC ...

2011-1-6  Predicting performance of asphalt concrete (AC) overlay is important for both pavement design and management. Based on 328 AC overlay sections from the long-term pavement performance (LTPP) program, ordinal logistic regression models were developed in this study to predict the probability of severity levels for alligator cracking.

Get Price

Evaluation of Fabrics, Fibers and Grids in Overlays

2017-1-4  with fabrics, grids, and fibers in the lab­ oratory, in theory, and in the field. MATERIALS Asphalt Concrete Mixture The asphalt concrete mixture selected for use in these laboratory studies consisted of a blend of river gravel, sand and

Get Price

Core samples of the asphalt layers in site S05. Download ...

Utilizing prediction models, an in situ dynamic modulus master curve of in-service asphalt layers is constructed (ARA 2004). ... Due to sophisticated and laborious laboratory testing methods ...

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BONDED CONCRETE OVERLAY OF ASPHALT

2013-12-31  bonded concrete overlays. 2 Brief Overview of Whitetopping Pavements Bonding concrete overlays to asphalt requires that they be more dependent on the integrity of the underlying pavement than would be necessary for an unbonded overlay. This is due to the composite behavior of the pavement structure.

Get Price

Design of Concrete Overlays Using Existing Methodologies

2020-3-6  TECH SUMMARY Design of Concrete Overlays Using Existing Methodologies Figure 1. Bonded and unbonded concrete overlay systems (Harrington et al. 2008) Overview of Bonded Concrete Overlays Bonded concrete overlays over existing concrete, asphalt, and composite pavements are used to restore the structural capacity and/or to correct

Get Price

Implementation of Texas Asphalt Concrete Overlay

2017-1-4  An asphalt overlay design system was developed for Texas Department of Transportation (TxDOT) under Research Project 0-5123. The new overlay design system, named the Texas Asphalt Concrete Overlay Design System (TxACOL), can help pavement engineers optimize asphalt overlay design in terms of

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A Cracking Methodology to Assess Fracture and Fatigue ...

2020-10-13  performance tests to predict the cracking potential of asphalt concrete (AC) mixtures in the laboratory setting. One such test, the Overlay Tester (OT) test, measures the number of cycles to failure of the AC specimens by simulating the

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Asphalt Concrete Overlay Optimization Based on

The life cycle length of pavement with asphalt concrete material (ACM) surfacing is significantly influenced, in addition to transport loading and climatic conditions, by design method and rehabilitation timing. Appropriate overlay thickness calculation and estimation of optimal rehabilitation time are crucial to maximizing life cycle length and, concurrently, reducing road

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