Slender GFRP-RC Circular Columns under Concentric, Eccentric, and Flexural Loads: Experimental Investigation
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Bibliographic record
Abstract
The experimental results for large-scale slender circular reinforced concrete (RC) columns are presented and discussed in this study. One reference column was reinforced with steel bars and spirals, and five columns were reinforced with glass fiber–reinforced polymer (GFRP) bars and spirals. The columns were tested under axial loads with variable eccentricities or flexural loading configurations. The test variables included reinforcement type (GFRP and steel), loading type (axial and four-point bending), the ratio of eccentricity-to-column diameter, and the slenderness ratio. Test results revealed that as the eccentricity increased, the peak axial load and the axial and lateral stiffness decreased significantly. Similarly, for the same eccentricity, a reduction in the peak load and both axial and lateral stiffnesses was observed when the slenderness ratio increased. In addition, interaction diagrams for circular GFRP-RC short and slender columns were developed from the experimental results and compared to those obtained analytically. Moreover, a simple modification to account for the slenderness effect on the interaction diagram was proposed.
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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)
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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