Short-term durability of elastomeric bituminous geomembranes at 70°C: A comparison of the effect of immersion methods
Bibliographic record
Abstract
A custom-designed apparatus is used to age a 4.8-mm thick bituminous geomembrane (BGM) under single-sided exposure to a synthetic mining solution (pH13.5) at 70oC over a 6-months period. These experiments involve exposing the BGM from the bitumen coat surface only to simulate the BGM’s chemical exposure conditions in the field. The degradation in the tensile and chemical properties of the BGM is compared to double-sided immersed coupons in which the BGM is exposed to the solution from both surfaces. The preliminary results show that the degradation rate of the mechanical properties of the BGM is higher in the double-sided immersion test than single-sided immersion test. However, the difference in the degradation rates of the chemical properties of the bitumen coat between the double-sided and single-sided immersed BGM samples was insignificant.
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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) | 0.000 | 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 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".