Determination of plane-strain shear strength of sand from the results of triaxial tests
Bibliographic record
Abstract
Experimental investigation of the shear strength of dry sands was carried out using triaxial and plane-strain apparatus. The results were used to evaluate Rowe's stressdilatancy theory, the relationships between the shear strength components due to friction and interlocking, and the volume-change characteristics for cases of plane-strain and axisymmetric boundary conditions. Because of the complexity of the plane-strain testing apparatus in the normal soil mechanics laboratory and the difficulties involved in performing this type of shear test, it is becoming costly to obtain plane-strain test results for consulting purposes. Based on Rowe's stressdilatancy theory, the results of the present investigation, and the available test results in the literature, two simple methods are proposed to predict the angle of shearing resistance for plane-strain conditions from the results of the conventional triaxial compression tests.Key words: shear strength, plane-strain test, triaxial test, sand, experimental investigation, geotechnical engineering.
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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 | 0.001 |
| 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 | 0.001 |
| 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".