Effect of Fast Constant Loading Rates on the Global Behavior of Sand in Triaxial Compression
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Bibliographic record
Abstract
Abstract Loading rate effects on the global stress-strain behavior of sand were investigated by performing triaxial compression tests on air-dried sand specimens. Siliceous and calcareous sands were subjected to triaxial compression at various constant strain rates to investigate the rate effects, initial density, confining pressure, shape and size of grains, as well as type of sand on the mechanical behavior of granular materials. The results indicate that silica sand and coral sand exhibit different rate dependency in terms of stiffness and peak normal stress. In general, strain rate effects are highly dependent on confining stress and relative density, with dense samples subjected to the highest employed confining stress exhibiting the most pronounced effects to variation in strain rates. Calcareous sand also exhibited a higher strain rate dependency than silica sand.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.002 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.000 | 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 it