The Development of Revised Effective Slab Width Criteria for Steel-Concrete Composite Bridges
Bibliographic record
Abstract
In design and analysis of steel-concrete composite girders, values of maximum deflection, stress and strength are typically obtained from simple beam theory by utilizing the effective slab width concept. Shear-lag effects are indirectly accounted for, by replacing the actual slab width by an appropriate reduced "effective" width. In this research, a new effective slab width definition is introduced. A three-dimensional non-linear finite element analysis is employed to evaluate and determine the actual effective slab width of steel-composite composite bridge girders. The resulting effective width is believed to be larger than the ones provided by many design specifications, both nationally and internationally. The revised effective slab width criteria based on the proposed effective slab width definition is compared with other design specifications, specifically AASHTO LRFD, British, Canadian, Japanese, and Eurocode design specifications. The comparative studies include the comparisons of service limit state, positive versus negative moment regions, and interior versus exterior girders of a multiple span continuous configuration.
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How this classification was reachedexpand
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 | 0.000 |
| 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".