Modelling the Roof-to-Wall Connections and Roof Failures in Residential, Wood-Frame Buildings under Realistic Wind Loads
Why this work is in the frame
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Bibliographic record
Abstract
This paper presents a combined load sharing, nail-slip model to predict the failure of roof-to-wall toe-nail connections in residential wood-frame buildings. The roof elements, idealized as an equivalent 2-D beam in the model, are used in combination with bi-linear and non-linear load-displacement curves of the roof-to-wall-connections to describe the progressive nail withdrawal observed in full-scale experiments. In particular, elastic beam theory is used to quantify the load sharing between the adjacent roof-to-wall-connections, as well as to characterize the overall failure of such connections and the roof. The model demonstrates its capability in effectively capturing the damage progression and load sharing effects exhibited by a system of interconnected roof-to-wall-connections, subjected to fluctuating wind loads, by predicting the connection responses that reasonably match with the outcomes of controlled load sharing experiments. The validated model is further used to predict the response of the inter-connected roof-to-wall-connections for a gable roof building tested in full-scale.
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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