Static design of elliptical hollow section end-connections
Why this work is in the frame
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Bibliographic record
Abstract
Research to date on elliptical hollow section connections is very limited and does not include slotted end-connections. As a result, such connections need to be designed following methods used for other hollow structural sections. Nevertheless, current design provisions for these connections are still generally acknowledged to be inaccurate. The behaviour of statically-loaded slotted end-connections to elliptical hollow sections has been studied under axial tension loading, previously by large-scale laboratory experiments (published elsewhere) and herein by finite element analysis. Non-linear finite element models, validated by five large-scale laboratory test specimens, formed the basis of an extensive parametric study resulting in a further 302 ‘numerical tests’. With these data, an assessment of such connections has been performed, with consideration of prior international work on this topic. As a result, a new design procedure for slotted end-connections to elliptical hollow sections in tension is presented, which is shown to be a significant improvement over the application of current international design provisions.
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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 | 0.001 |
| 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