Evaluation of a simplified small-strain soil model for analysis of excavation-induced movements
Why this work is in the frame
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Bibliographic record
Abstract
A simplified small-strain soil model, referred to herein as the modified pseudoplasticity (MPP) model, developed based on the small-strain behavior of clay measured from the triaxial tests is evaluated in this study. The simulation of the small-strain triaxial tests by the MPP model shows that nonlinear stress–strain characteristics of clays can be adequately accounted for at small strain, including the characteristic of high initial Young's modulus. Two well-documented excavation case histories are used to assess the MPP model. Satisfactory predictions are obtained of the excavation-induced wall deflection and ground surface settlement by finite element method (FEM) that incorporates the MPP model. The lateral soil deformation behind the wall can also be reasonably predicted. The simplified MPP model is shown to be effective for modeling the excavation-induced wall and ground movements.Key words: braced excavation, wall deflection, ground settlement, finite element method, stress-strain relationship, case histories.
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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 | 0.003 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 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 it