Physical and hydraulic response of geomembrane wrinkles underlying saturated fine tailings
Bibliographic record
Abstract
The effect of applied pressure on the deformation of a prescribed wrinkle, with and without a hole, in four different geomembranes (1 and 2 mm thick high density polyethylene (HDPE) and 1 and 2 mm thick linear low-density polyethylene (LLDPE)), placed on a compacted silty-sand underliner and backfilled with saturated fine tailings at 65% solids content, is investigated. For the 1 mm thick geomembranes without holes, the gap beneath the wrinkle was eliminated (but the geomembrane was excessively strained) at an applied total stress of 250 kPa, whereas for the 2 mm thick geomembranes the gap remained even under a total stress of 1000 kPa. The short-term performance was the same for both LLDPE and HDPE. For wrinkles with a hole, any gap that remained beneath the wrinkle was completely filled by tailings. The tailings migrated into the gap beneath the wrinkle partly as free-flowing slurry and partly under the applied hydraulic gradient. There was a difference in the shape of the final wrinkle depending on whether the hole in the wrinkle was present before or after backfilling with tailings. However, the same leakage was measured through a 10 mm diameter hole in both cases. With an increase in applied vertical stress, the leakage decreased.
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How this classification was reachedexpand
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) | 0.001 | 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 teacher head, 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".