Effects of splitter plate on reducing local scour around bridge pier
Why this work is in the frame
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Bibliographic record
Abstract
Abstract Local scour around bridge piers has been shown to be the most common reason for bridge failures. The use of splitter plates to modify the flow field around the pier has the potential to reduce the maximum scour depth. To test the effect of the splitter plate, the present study was conducted by using plates of various lengths (1 ≤ L / D ≤ 2). Here, D is the diameter of the pier, and L is the length of the splitter plate. The splitter plate was located both in the front and at the rear of the pier. The results show that for a constant splitter plate height, the plate with a length of 1.33 D located in front of the pier has the greatest impact in reducing maximum scour. Results also showed that with increasing height of the splitter plate located in front of the pier, the maximum scour depth as well as the scoured area decreased correspondingly. In the range of test variables used in this study, the back splitter plate located with or without a gap between the pier and the plate showed limited impact on reducing the maximum scour around the pier. However, a significant change of dune height was observed in the back of the pier.
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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 | 0.000 | 0.002 |
| 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 | 0.001 |
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