Geotechnical properties of centrifuged oil sand fine tailings
Why this work is in the frame
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Bibliographic record
Abstract
The main objective of this study was to determine the geotechnical properties of centrifuged oil sand fine tailings for surface deposition. A material with 60% solids (e = 1·5) was obtained using a bench-scale centrifuge. The fine-grained material (52% clay fraction) with a moderate water adsorption capacity (w l = 40% and w p = 20%) indicated an air entry value of 1000 kPa and a residual suction of 30 000 kPa. The correct way of representing the soil water characteristic curve for tailings was found to be the one based on degree of saturation along with simultaneous volume change measurements. The tailings mainly dewatered during normal shrinkage while remaining saturated whereas volume reduction was negligible beyond the shrinkage limit. Likewise, dewatering under an effective stress of 160 kPa was found to be 67% along with a compression index of 0·36. The saturated hydraulic conductivity measured 3 × 10 −10 m/s that decreased marginally during consolidation and rapidly (10 −10 to 10 −18 m/s) due to suction application.
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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 | 0.000 | 0.000 |
| 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 | 0.000 |
| 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