Assessment of Seismic Performance of Structures in 2010 Chile Earthquake through Field Investigation and Case Studies
Why this work is in the frame
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Bibliographic record
Abstract
This paper presents an overview of the damage from the 2010 Chile Earthquake observed by a field reconnaissance team from the Mid-America Earthquake Center. Seismic performances of structures in Santiago, Biobío, and Maule regions in Chile are summarized based on field observations and discussions with researchers and city officials. In addition, post-earthquake analyses of a damaged bridge and a building structure are presented. The analyses are carried out with detailed documentation from the field and the acquired design drawings of the structures. For the building structure, the focus of the analysis is to understand the effect of masonry infill walls on the shear force demand of columns. The analysis results confirm that the infill walls of the building may have caused the damage to columns by increasing the shear force demand. For the bridge structure, the effect of seismic bars on the bridge response is investigated. The seismic bars in the bridge reduce the displacement demand of the superstructure by increasing the energy dissipation capacity of elastomeric bearings.
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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