Uplift behaviour of helical anchors in clay
Why this work is in the frame
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Bibliographic record
Abstract
Helical anchors have been used widely as foundations for transmission towers and pipelines to resist uplift loadings. In this paper, the undrained uplift behaviour of helical anchors in clays is studied using the centrifuge model test and a “large deformation finite element” (LDFE) approach. Nine model anchors were tested in a geotechnical beam centrifuge, with different combinations of the number of helical plates, plate spacing, and embedment depth. The numerical solutions from the LDFE approach are then compared with the centrifuge data and semi-theoretical solutions. Additional LDFE analyses are undertaken to understand the failure mechanisms of multi-plate anchors and applicability of existing semi-theoretical methods. By considering the combined influences of embedment depth, plate spacing, and soil strength profile, a simple procedure is further presented to predict the uplift capacity of helical anchors.
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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 | 0.001 |
| 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 it