Comparative Analysis of Tension-Compression and Shear Oscillatory Loading on the Rheological Response of Asphalt Binders from a Northern Ontario Pavement Trial
Bibliographic record
Abstract
This study explores the rheological behavior of asphalt binders under two distinct loading conditions: oscillatory shear and cyclic tension-compression. Notably, the longitudinal complex modulus of asphalt binders was found to be lower in oscillatory shear compared to cyclic tension-compression loading. Furthermore, a reduction in asphalt film thickness during tension-compression loading led to an increase in longitudinal complex modulus. Phase angle master curves of asphalt binder in tension-compression loading show rheologically complex behavior. Interestingly, alterations in asphalt film thickness had minimal influence on the phase angle master curve for tension-compression, while the phase angle master curve under oscillatory shear exhibited higher values at high frequencies or low temperatures. Additionally, the study discovered that the limiting phase angle temperature was lower in oscillatory shear than in tension-compression. A decrease in asphalt film thickness leads to an increase in the limiting phase angle temperature.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.002 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".