Framework for Hybrid Performance-Based Quality Assurance for Flexible Airfield Pavements

Chehab, Ghassan R.; Hamdar, Yara S.

doi:10.1061/jpeodx.0000178

J. Transp. Eng., Part B: Pavements

2020

DOI: 10.1061/jpeodx.0000178

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Framework for Hybrid Performance-Based Quality Assurance for Flexible Airfield Pavements

Ghassan R. Chehab

Yara S. Hamdar²

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2023

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Cited by 2 publications

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“…PBS specify fundamental engineering properties directly ( 5 ). One promising PRS and PBS approach integrates the Asphalt Mixture Performance Tester (AMPT) and its associated test methods: dynamic modulus test (AASHTO TP 132), cyclic fatigue test (AASHTO TP 133), and stress-sweep rutting (SSR) test (AASHTO TP 134) ( 6 – 8 ). The data collected from these test methods can be directly integrated into mathematical models that predict the long-term performance of asphalt pavement.…”

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confidence: 99%

Case Studies of Asphalt Pavement Quality Assurance Specifications, Performance-Related Specifications, and Performance-Based Specifications

Saleh

Haslett²,

Underwood

et al. 2023

Transportation Research Record: Journal of the Transportation R

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Quality assurance (QA) specifications for asphalt pavement construction measure quality characteristics to adjust payments. The measured quality characteristics are assumed to empirically relate to performance. The validity of this assumption, however, has been questioned in recent years; thus, there has been increased interest in finding ways to more directly evaluate the performance of the as-constructed materials. One proposed method to meet this need involves using the Asphalt Mixture Performance Tester (AMPT) and its associated test methods, which measure fundamental material properties that are then used to calculate the fatigue cracking performance index, Sapp, and a rutting strain index (RSI). These indices can be used in performance-related specification (PRS) or performance-based specification (PBS) frameworks to determine the pay adjustments during the construction of asphalt pavement. While PBS requires measured indices, PRS uses index-volumetrics relationships (IVRs) to predict Sapp and RSI based on conventional acceptance quality. Payment can then be based on a percent within limits (PWL) approach. This paper demonstrates how pay adjustments can be made for a paving project in Indiana following three different QA specification frameworks: the current QA specifications framework in the Indiana Department of Transportation, a PRS framework using IVRs, and a PBS framework that employs measured Sapp and RSI. For each framework, the main elements of the specification were identified and determined. The specification limits for Sapp and RSI and weight factors in composite pay factor equations were determined such that the resulting pay factors are comparable to pay factors obtained from the current QA practices.

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confidence: 99%

Case Studies of Asphalt Pavement Quality Assurance Specifications, Performance-Related Specifications, and Performance-Based Specifications

Saleh

Haslett²,

Underwood

et al. 2023

Transportation Research Record: Journal of the Transportation R

View full text Add to dashboard Cite

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Impact of Asphalt Concrete Properties on the Illinois Flexibility Index Cracking and Hamburg Wheel Tracking Test Rutting Potential

Rivera-Pérez,

Al-Qadi

2023

J. Transp. Eng., Part B: Pavements

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Framework for Hybrid Performance-Based Quality Assurance for Flexible Airfield Pavements

Cited by 2 publications

References 14 publications

Case Studies of Asphalt Pavement Quality Assurance Specifications, Performance-Related Specifications, and Performance-Based Specifications

Case Studies of Asphalt Pavement Quality Assurance Specifications, Performance-Related Specifications, and Performance-Based Specifications

Impact of Asphalt Concrete Properties on the Illinois Flexibility Index Cracking and Hamburg Wheel Tracking Test Rutting Potential

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