Experimental Investigation on At-Rest Earth Pressure Acting on Walls Retaining Collapsible Soil Subjected to Inundation
Bibliographic record
Abstract
This paper presents an experimental investigation on the at-rest earth pressure acting on walls retaining collapsible soils and subjected to full inundation due to groundwater rise. A prototype model of a vertical wall, retaining horizontal backfill of collapsible soil, was developed in the laboratory. The model was instrumented to measure the earth pressure at selected points on the wall, the total earth pressure acting on the wall, and the vertical earth pressure in the soil mass at predetermined levels. Tests were performed on wall retaining collapsible soils at the dry and at fully saturated conditions. Test results showed that the coefficient of earth pressure at-rest was considerably reduced when soil was saturated. At full saturation, the collapsible soils with higher collapse potential (Cp) displayed a larger decrease in the at-rest earth pressure. An empirical formula for prediction of the coefficient of at-rest earth pressure at fully saturated condition is proposed.
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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 | 0.001 |
| 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".