Flexure strength prediction of closure strip between prefabricated deck slabs supported over bridge girders incorporating CFRP bars and UHPFRC
Bibliographic record
Abstract
Glass fiber reinforced polymer (GFRP) bars are used in bridge decks to overcome the problem of corrosion of steel bars and concrete spalling. However, design guidelines for joints between GFRPreinforced precast deck panels supported over girders for accelerated bridge replacement is as yet unavailable. The proposed research investigates the use of GFRP bars in the closure strip between jointed precast deck panels, which is filled with ultra-high performance fiber-reinforced concrete (UHPFRC). Four different bar splice lengths in the joint were considered in this study, namely: 75, 105, 135 and 165 mm, with bar splice spacing taken as 0, 75 and 100 mm. 27 specimens were constructed and tested to-collapse to determine their structural behavior and load carrying capacity. Correlation between experimental findings and available design equations for moment and shear capacities was conducted, leading to recommendations for the use of the proposed joints between precast deck panels in slab-on-girder bridges.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.001 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 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 source (direct Gemma or distilled Codex), 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".