Experimental and numerical studies on the proposed stiffener detailing of integral bridge steel H piles to alleviate the combined adverse effects of axial load and cyclic thermal displacements
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Bibliographic record
Abstract
Past research studies demonstrated that local buckling may be observed when the steel H piles (SHPs) at the abutments of integral bridges are simultaneously subjected to axial load and lateral plastic displacements. The large curvatures and strains associated with local buckling may lead to earlier low cycle fatigue (LCF) failure of the pile under cyclic thermal displacements. Accordingly, first, the detrimental effect of axial load combined with lateral plastic displacements leading to local buckling and accelerated LCF failure of the SHP is demonstrated through experimental testing and finite element modeling and analysis. Then preventive measures to eliminate or delay local buckling are developed and assessed numerically as well as by experimental testing. Numerical simulation and experimental test results revealed that welding longitudinal stiffeners on the flanges successfully prevent the local buckling of the flanges and improve the fatigue life of the pile.
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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 | 0.000 |
| 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