Fatigue crack growth of a hot mix asphalt using digital image correlation
Source abstract
Abstract
Abstract The objective of this study is to demonstrate that digital image correlation can be employed to track crack propagation and produce more accurate measurements of the fatigue crack growth of hot mix asphalts. Indirect tensile, fracture, and fatigue crack growth (FCG) experiments are performed. Digital image correlation is shown to capture the crack propagation, crack tip remodeling, fatigue process zone, and strain distribution on the surface of the specimens. Microstructurally-small cracking is detected in the FCG data; where cracking is extremely sensitive to microstructural features. Failure analysis finds on the macroscale, the crack bypasses aggregates and propagates primarily through the mastic (bitumen and mineral filler). On the microscale, the temperature-dependent cohesive strength of the mastic governs FCG resistance.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Asphalt Pavement Performance Evaluation · Infrastructure Maintenance and Monitoring · Non-Destructive Testing Techniques
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (55)
Show source-provided references
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