Modeling Timber Moment Connection under Reversed Cyclic Loading
Why this work is in the frame
A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.
Bibliographic record
Abstract
Moment-resisting connections containing mechanical fasteners play an important role in energy-absorption capability, and therefore resistance against collapse, of timber frames subjected to loading from extreme events such as earthquake. Accurate characterization of moment–rotation response of these connections is an important prerequisite for reliable prediction of timber frame response to seismic loads. Using a previously developed single-fastener finite element model as a basis, a mathematical model was developed to predict the moment–rotation response of timber connection containing multifasteners under reversed cyclic loading. This model generates the response prediction from basic material properties of the fasteners and wood. This paper describes the development of the model and provides test results to validate the accuracy of the model prediction. It is shown that the predicted response of a multinail connection agrees well with experimental data. Once the model is further validated with a broader range of test results, it can be incorporated into frame analysis models for predicting system response.
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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