Experimental study of concrete masonry infills bounded by steel frames
Why this work is in the frame
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Bibliographic record
Abstract
An experimental program was conducted to investigate the behavior and capacity of concrete masonry infills bounded by steel frames. Ten concrete masonry infilled steel frame specimens as well as one bare frame specimen were tested to failure under an in-plane lateral loading applied at the frame top beam level. The parameters considered in this paper included the aspect ratio, extent of grouting, opening of the infill and frame-to-infill stiffness ratio as reflected by varying the orientation of the frame column. The effect of each parameter on the failure mode, ultimate load, and stiffness of specimens is presented and discussed. Test results were then used to assess the efficacy of equations for the design of masonry infills suggested in the current design standards of both Canada and United States. The results show that the current Canadian design guidelines provide a markedly conservative design of masonry infills whereas the American design standard gives an improved estimate of infill stiffness and ...
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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) | 0.001 | 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