Seismic Vulnerability Assessment of a Multi-Span Continuous Steel-Girder Bridge Isolated by SMA Wire-Based Natural Rubber Bearings (SMA-NRB)
Why this work is in the frame
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Bibliographic record
Abstract
Seismic base isolation is one of the most efficient ways to protect structures (e.g. buildings or bridges) from disastrous effects of earthquakes. Base-isolated structures are mostly being designed and constructed in developed countries such as United States, Italy, Japan, and New Zealand. In order to extend such applications to developing countries, new techniques are introduced by reducing the cost and improving the performance of earthquake protective systems. In this regard, advanced materials such as shape memory alloys (SMA) are implemented into base isolation mechanisms (e.g. elastomeric bearings) and efficient manufacturing processes are developed. When a new generation of smart elastomeric isolator is introduced, it is critical to assess its seismic performance under different ground motions. The goal of this study is to evaluate the seismic fragility of a multi-span continuous steel-girder bridge isolated by SMA wire-based natural rubber bearings (SMA-NRBs). Results show that equipping natural rubber bearing (NRB) with SMA wires decreases the probability of damage of the bridge. It means that the bridge system becomes less fragile when NRB is fitted with SMA wires.
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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) | 0.001 | 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 | 0.001 |
| 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