Centrifuge Modeling of Consolidation and Dynamic Loading of Fine-grained Mine Tailings
Why this work is in the frame
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Bibliographic record
Abstract
Most experimental research on mine tailings has consisted of small scale laboratory tests and very few attempts of physical centrifuge modeling tests have been made. Geotechnical centrifuge testing allows simulation of prototype scale stresses using small scale models. Tests were performed on tailings obtained from a planned copper-gold mine and one representative test is presented herein. The mine tailings are of low plasticity with approximately 60% fine-grained material. In the field, the tailings are thickened (dewatered) and hydraulically deposited into the containment structure in layers. The objectives were to evaluate the consolidation behavior and dynamic response of a tailings stack deposited at the pumping water content (59%). As part of the study, a method of model preparation and a settlement monitoring system have been developed in order to establish the settlement profile of the model. Tailings were prepared in layers and consolidated in the centrifuge, thus allowing instrumentation of each layer before consolidation of the complete impoundment. Pore water pressures were also measured during the consolidation process. Dynamic loading was subsequently applied using the Shaking Table at the Center for Earthquake Engineering Simulation (CEES) at Rensselaer Polytechnic Institute (RPI). Accelerations and lateral displacements per layer were additionally monitored in order to evaluate the liquefaction potential of the mine tailings.
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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) | 0.001 | 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