Behavior of Plank (Tongue and Groove) Wood Decking under Uniformly Distributed Loads
Bibliographic record
Abstract
An experimental program was undertaken at the University of Ottawa’s structural laboratory to investigate the behavior of plank decking under uniformly distributed loads. Nondestructive and destructive tests were conducted on plank decking systems to investigate their stiffness and failure mode characteristics. The study showed that the established deflection coefficients used to check the deflection of plank decking under balanced uniformly distributed loads can be conservatively used to estimate the stiffness of the simple span, two-span continuous, and controlled random layup patterns. It was also found that a deflection coefficient of 0.60 would be suitable for the combination simple and two-span continuous layup. Under unbalanced loading on two-span continuous layups, it was found that the deflection coefficient of 0.42 was nonconservative and that a more appropriate value to use in this case would be 0.60. The failure mode of a controlled random layup decking system under a uniformly distributed load was found to be consistent with the failure observed for simple span. The assumption of basing the capacity of the controlled random layup on the capacity of simple span layup seems appropriate.
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How this classification was reachedexpand
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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, 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".