The Existing Champlain Bridge – Assessment Using Refined Analyses
Why this work is in the frame
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Bibliographic record
Abstract
<p>In order to evaluate the performance of the post-tensioned I-girders and diaphragms in the existing Champlain Bridge, a combination of 3D linear and 2D non-linear finite element analyses were carried out. After 55 years in service, many girders are experiencing deterioration. The results from the 3D analyses enabled the determination of the loads applied to individual girders and diaphragms for the non-linear analyses. The 3D analyses also enabled the determination of the redistribution of forces in the structure due to different degrees of corrosion of the tendons in the girders. The 2D non-linear finite element analyses captured the responses of the girders and diaphragms and enabled an assessment of the performance under service and factored loads. The degrees of corrosion of the tendons and the stirrups were estimated from inspection results. The effects of different strengthening measures were also assessed using this approach.</p>
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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 | 0.001 | 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