Shake-table tests on two 40-ton reinforced concrete U-shaped walls with uniaxial and bidirectional-torsional response
Bibliographic record
Abstract
Reinforced concrete (RC) structures, widely used in mid- to high-rise construction, face significant challenges related to sustainability, durability, and seismic resilience. Despite extensive experimental research on RC walls, studies specifically focusing on their torsional response remain limited. To address these gaps, the ERIES-ALL4wALL project investigates the torsional and bidirectional flexural behavior of RC U-shaped walls, a key structural feature in contemporary and future high-rise buildings. This article presents experimental findings from shake-table tests on two slender U-shaped walls, evaluating their nonlinear flexural and torsional performance under realistic seismic ground motions. Advanced instrumentation techniques—such as camera-based vibration measurements—are introduced to capture detailed performance data. The accompanying open-access data are then outlined, enabling further research and development of models to improve the resilience and sustainability of RC core walls in urban environments.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.001 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.003 | 0.001 |
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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".