Laboratory Investigation of Geosynthetic Clay Liner Desiccation in a Composite Liner Subjected to Thermal Gradients
Why this work is in the frame
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Bibliographic record
Abstract
Geosynthetic materials such as geomembranes and geosynthetic clay liners (GCLs) are frequently used in composite liners for municipal solid waste landfills. Heat generated within such facilities due to decomposition of organic material within the waste creates thermal gradients that have the potential to cause desiccation of the mineral component of GCLs, with potential impacts on long-term performance. This paper presents the results of an experimental investigation into the potential for moisture redistribution in and around GCLs forming part of a composite liner system when subjected to thermal gradients. Large-scale laboratory testing was performed using two different subsoils and GCL materials, with emphasis placed on the spatial and temporal variation of temperature and water content within and beneath the GCLs. The influence of key initial and boundary conditions such as the applied temperature gradient, initial GCL and subsoil water content, and the type of GCL is discussed, as well as the implications of the findings for long-term GCL performance. Recommendations are made regarding aspects of the design and operation of landfill facilities likely to reduce the potential for desiccation.
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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