Journal Published Online: 22 February 2024
Volume 52, Issue 4

Asphalt Concrete Characterization Using Digital Image Correlation: A Systematic Review of Best Practices, Applications, and Future Vision

CODEN: JTEVAB

Abstract

Digital image correlation (DIC) is an optical technique that measures displacement and strain by tracking pattern movement in a sequence of captured images during testing. DIC has gained recognition in asphalt pavement engineering since the early 2000s. However, users often perceive the DIC technique as an out-of-box tool and lack a thorough understanding of its operational and measurement principles. This article presents a state-of-art review of DIC as a crucial tool for laboratory testing of asphalt concrete (AC), primarily focusing on the widely utilized two-dimensional DIC and three-dimensional DIC techniques. To address frequently asked questions from users, the review thoroughly examines the optimal methods for preparing speckle patterns, configuring single-camera or dual-camera imaging systems, conducting DIC analyses, and exploring various applications. Furthermore, emerging DIC methodologies such as digital volume correlation and deep-learning–based DIC are introduced, highlighting their potential for future applications in pavement engineering. The article also provides a comprehensive and reliable flowchart for implementing DIC in AC characterization. Finally, critical directions for future research are presented.

Author Information

Wang, Siqi
Department of Road Engineering, School of Transportation, Southeast University, Nanjing, Jiangsu, China
Zhu, Zehui
Department of Civil and Environmental Engineering, University of Illinois Urbana-Champaign, Urbana, IL, USA
Ma, Tao
Department of Road Engineering, School of Transportation, Southeast University, Nanjing, Jiangsu, China
Fan, Jianwei
Department of Road Engineering, School of Transportation, Southeast University, Nanjing, Jiangsu, China
Pages: 35
Price: $25.00
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Details
Stock #: JTE20230485
ISSN: 0090-3973
DOI: 10.1520/JTE20230485