Two-dimensional finite element analysis of confined concrete columns and beams
Why this work is in the frame
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Bibliographic record
Abstract
A two-dimensional non-linear finite element program, named Confine4.1, was developed to analyze the confining effects in columns and beams. The constitutive material model was selected and slightly modified from other models available in the literature. The program was verified against 18 columns tested under concentric compression and two columns tested under eccentric compression. The program was able to accurately predict the load-strain response and the moment curvature response of the columns, including the post-peak response. The use of a triaxial failure criterion allows the prediction of cover spalling to be made. The program was able to distinguish the effects of varying concrete strengths, transverse yield strength and the amount of transverse reinforcement. Confine4.1 is a research tool and further work is needed before can be used in day-to-day engineering.
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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) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.002 | 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 | 0.001 |
| Insufficient payload (model declined to judge) | 0.004 | 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