Vibration Testing of Cantilevered Steel Pole with Partial Concrete Filling
Why this work is in the frame
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Bibliographic record
Abstract
Wind-induced fatigue failure of traffic and light poles has not been sufficiently studied neither has it been used as a design criteria by many pole manufactures. This paper presents the results of experimental testing of a new steel-concrete composite pole. The new pole features a thin-walled hollow steel tube partially filled with concrete near the base. The experimental work aimed to evaluate the natural frequencies of the poles and find the optimal concrete filling length for the best dynamic performance. Experimental results showed that for the tested poles, the optimal length of concrete filling ranged between 37% and 43% of the total length, and yielded 18% to 26% increase in the first natural frequency of the pole. The experimental results were within 10% difference when compared to predicted values using a finite element-based modal analysis. The new optimized composite poles, with natural frequencies higher than the inherited frequencies of typical wind loads, would better endure wind-induced vibrations.
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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