Disturbed Stress Field Model for Reinforced Concrete: Validation
Why this work is in the frame
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Bibliographic record
Abstract
The results of analytical investigations are presented supporting the disturbed stress field model as a viable conceptual model for describing the behavior of cracked reinforced concrete elements. The theory is shown to be phenomenologically more correct, relative to typical fixed-crack or rotating-crack models, in its representation of the rotation of stress and strain fields in cracked concrete. The inclusion of rigid slip along crack surfaces allows for a divergence between principal stress and principal strain directions in the concrete, with the rotation of stresses and crack directions shown to typically lag behind that of strains. This behavior is found to be consistent with experimentally observed response. Corroboration with data from beam, panel, and shear wall test specimens shows the theory to accurately model response over a wide range of conditions. In general, results are improved relative to those obtained from the modified compression field theory. Current deficiencies in the theory are identified, and possible future work is discussed.
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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 | 0.001 |
| 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