Application of artificial intelligence to predict moisture damage of hot-mix asphalt mixes

Author:

Veeraragavan Ram Kumar1,Kottayi Nivedya Madankara2ORCID,Mallick Rajib B.3,Nirala Mehul Kumar4,Sarkar Sudeshna5

Affiliation:

1. PhD student, Department of Civil and Environmental Engineering, Worcester Polytechnic Institute, Worcester, MA, USA

2. Post-doctoral Fellow, Department of Civil and Environmental Engineering, Worcester Polytechnic Institute, Worcester, MA, USA (corresponding author: )

3. Professor, Department of Civil and Environmental Engineering, Worcester Polytechnic Institute, Worcester, MA, USA

4. BTech student, Department of Computer Science Engineering, IIT Kharagpur, Kharagpur, India

5. Professor, Department of Computer Science Engineering, IIT Kharagpur, Kharagpur, India

Abstract

Moisture damage is a prevalent problem for hot-mix asphalt (HMA) pavements all over the world and the use of moisture-resistant pavement materials is critical for ensuring durable pavements. There is thus a need for the development of an accurate method of identification of moisture-susceptible mixes during laboratory mix design. The objective of this study was to develop a system of identification of poor- and good-performance HMA mixes based on artificial intelligence. The work involved stiffness and strength testing and imaging of pre- and post-conditioned mix samples that were compacted from plant-produced loose mixes with known field performance. A deep convolutional neural network (CNN) was applied to classify the moisture damage potential of the mixes based on images. As the number of samples was small, transfer learning using a standard CNN architecture (Inception V3) was used, which was pre-trained on a large-scale object identification task. The predictions from the resulting model were 88% accurate, which is higher than the accuracy of statistical analyses of the results of mechanical tests and black pixel analysis. Implementation of the proposed method in laboratory mix design can help engineers in screening poor mixes quickly and with high accuracy.

Publisher

Thomas Telford Ltd.

Subject

Transportation,Civil and Structural Engineering

Reference50 articles.

1. Aashto (American Association of State Highway and Transportation Officials) (2001) Aashto T283-89: Resistance of Compacted Bituminous Mixture to Moisture Induced Damage. Standard Specifications for Transportation Materials and Methods and Sampling and Testing. Part II: Tests. Aashto, Washington, DC, USA.

2. Chemical and mechanical changes in asphalt binder due to moisture conditioning

3. Al-Swailmi S and Terrel RL (1994) Water Sensitivity of Asphalt–Aggregate Mixtures: Test Selection. Strategic Highway Research Program, National Research Council, Washington, DC, USA, SHRP-A-403.

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