Permeating partially hydrated GCLs with jet fuel at temperatures from −20°C and 20°C
Bibliographic record
Abstract
The hydraulic conductivity of hydrated and partially hydrated geosynthetic clay liners (GCLs) with respect to Jet Fuel A-1 (Arctic diesel) is examined at −20°C, −5°C, 5°C, and 20°C. Methods developed to hydrate GCLs to specific water contents (60%, 90%, 120%) and subject them to subzero temperatures without the additional uptake of water are described. Results indicate that there are two main mechanisms that affect the hydraulic conductivity of Jet Fuel A-1. For a constant bulk void ratio, as the water content increases, the hydraulic conductivity with respect to Jet Fuel A-1 decreases. Similarly, for a constant water content, as bulk void ratio decreases, the hydraulic conductivity with respect to Jet Fuel A-1 decreases. GCLs at positive temperatures with an initial degree of saturation (S r ) greater then 0.77 had a hydraulic conductivity with respect to Jet Fuel A-1 of less than 10 −9 m/s, whereas GCLs at subzero temperatures with S r > 0.70 had a hydraulic conductivity with respect to Jet Fuel A-1 of less than 2.5 × 10 −10 m/s. Highly saturated (S r > 0.85) GCLs at subzero temperatures were essentially impermeable, having a hydraulic conductivity with respect to Jet Fuel A-1 of less than 10 −12 m/s.
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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) | 0.005 | 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".