Updates to Mechanistic-Empirical Design Inputs for Illinois Flexible Pavements

R Hajj, M Thompson, R Santos Maia, Y Lu… - FHWA-ICT-24 …, 2024 - ideals.illinois.edu
This study reviews the Illinois Department of Transportation's full-depth asphalt, limiting
strain criterion, and asphalt over rubblized concrete design procedures, considering …

Identification of asphalt binder tests for detecting variations in binder cracking performance

H Chen, D Adwani, A Bhasin, D Hazlett… - Construction and Building …, 2024 - Elsevier
Asphalt binders are vital components in the construction of roadways, and their quality
significantly impacts the performance and durability of asphalt mixtures. However, it is …

Rheological, mechanical, microscopic, and chemical characterization of asphalt binders at extended aging levels

Y Lu, B Asadi, R Hajj - Journal of Materials in Civil Engineering, 2023 - ascelibrary.org
This study aims to connect asphalt binder mechanical properties to their dynamic
microscopic morphology and chemical indices to provide a more thorough and fundamental …

Assessment of binder test methods for detecting cracking susceptibility in asphalt mixtures

H Chen, D Adwani, N Zorigtbaatar, F Zhou… - International Journal of …, 2025 - Elsevier
Asphalt binders are crucial in roadway construction, significantly influencing the
performance and durability of asphalt mixtures. Even with identical mix designs, the …

Field validation on the use of poker-chip test to predict cracking in flexible pavements

K Mohanraj, A Filonzi, E Mahmoud… - Journal of Transportation …, 2023 - ascelibrary.org
Cracking in flexible pavements is one of the most prevalent forms of distress. Two types of
cracking ubiquitous to most regions are fatigue or alligator cracking, and thermal or low …

Investigation of factors affecting modified asphalt binder development and performance using the poker chip test

A Vyas, Y Wang, R Hajj, E Jahns - Construction and Building Materials, 2023 - Elsevier
With the surge in the use of modified asphalt binders throughout the world, it is important to
examine these materials for performance outside of their linear viscoelastic (LVE) range …

Cracking potential evaluation of recycled asphalt materials using the poker chip test and I-FIT

A Vyas, R Santos Maia, R Hajj - Road Materials and Pavement …, 2024 - Taylor & Francis
High amounts of recycled material in asphalt concrete (AC) pavements often increase the
risk of cracking. Although the use of reclaimed asphalt pavement (RAP) and recycled …

[HTML][HTML] Porous asphalt mixture performance in cold regions: Case study of Chicago

RS Maia, Y Lu, R Hajj - Case Studies in Construction Materials, 2024 - Elsevier
Abstract Porous Asphalt Mixtures (PAMs) improve resilience of flexible pavements in the
context of climate change. PAM application in coastal cities like Chicago is of interest; …

Deconvoluting the Mechanisms of Thermal Degradation and Oxidation during the Aging Simulation of Elastomeric Modified Asphalt Binders

D Adwani, A Sreeram, A Bhasin - Journal of Materials in Civil …, 2024 - ascelibrary.org
Developing new and efficient methods to simulate the aging of asphalt binders and mixtures
continues to be an important area of research for the asphalt community around the world …

Multiscale evaluation of asphalt binder rejuvenation dosing and efficacy

Y Lu, RS Maia, R Hajj - Construction and Building Materials, 2023 - Elsevier
The final composition of asphalt binder in an asphalt mix can vary depending if it is a neat,
virgin binder, or a blend of neat binder with reclaimed asphalt pavement (RAP), modifiers …