Elastic-plastic modelling of unsaturated soil using results from a new triaxial test with controlled suction
Why this work is in the frame
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Bibliographic record
Abstract
This paper examines the constitutive behaviour of a compacted highly plastic sand–clay mixture. Three series of tests evaluated components of a possible elastic-plastic constitutive model for unsaturated stress–strain behaviour. The tests examined the influence of suction on yield stress under external isotropic loading and the influence of suction on shear strength. The results examine the behaviour of highly plastic clay subjected to generalised (triaxial) stresses that include shear, isotropic and suction loading. The data represent an important new resource of information on a densely compacted, strongly expansive, sand–bentonite mixture that was loaded independently by external stresses and internal suctions. The suctions were also measured by sensors buried in the specimens. They have been interpreted in an elastic-plastic framework to produce values for some of the material properties needed for the model. The results and associated discussion provide new insights into the behaviour of unsaturated highly plastic clay materials.
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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