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RMPD_Modelling_cracking_damage_of_asphalt_mixtures_Yuqing_Zhang.pdf

🔗 Source: publications.aston.ac.uk

📊 Size: 589 KB

👤 Author: Zhang, Yuqing

⬇️ Downloads: 43

Summary

Researchers modeled crack growth in asphalt mixtures under compressive monotonic and repeated loads using pseudo J-integral Paris' Law, deriving a damage density function based on stress, nonlinear viscofracture strain, asphalt film thickness, and bond energy. Six asphalt mixtures were tested, with results showing the damage density curve differs in shape between monotonic (S-shape) and repeated loads (increasing exponential shape) due to varying energy release rates. The Paris' Law coefficients (A and n) were found to be independent of loading mode, rate, or temperature, and can be used to predict crack growth under different conditions.

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Description

Researchers modeled crack growth in asphalt mixtures under compressive monotonic and repeated loads using pseudo J-integral Paris' Law, deriving a damage...

Technical Information

File Format: PDF
File Size: 589 KB
Pages: 13
Language: EN
Author: Zhang, Yuqing
Total Downloads: 43
Last Updated: 1 week ago

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