Background information for some of the proposed earthquake design provisions for the 2005 edition of the National Building Code of Canada1
Bibliographic record
Abstract
H. DeVall Abstract: There are many changes proposed for the Earthquake Design Provisions of the 2005 edition of the National Building Code of Canada (NBCC). Among them are requirements for complete load paths, separation of stiff nonstructural elements, and the introduction of definitions of irregular structures and special design requirements asso-ciated with these irregularities. A new requirement for direction of loading is introduced, along with requirements for elements common to more than one lateral load resisting system. The effects of displacements are emphasized through-out the document, and revised provisions for drift limits are proposed. Revisions to the importance factor that integrate it into the proposed revised format for Part 4, Structural design, of the NBCC are given. Background information is presented. Key words: load path importance factor, irregular structures, direction of loading, special requirements, drift limits. Résumé: Il y a plusieurs changements proposés aux clauses sur la conception sismique de la version 2005 du Code National du Bâtiment du Canada (CNBC). Parmis ceux-ci se trouvent les exigences d’un chemin de charge complet, la séparation des éléments non-structurels rigides, et l’introduction des définitions des structures irrégulières et des exigen-ces spéciales de conception associées à ces irrégularités. Une exigence nouvelle pour la direction des sollicitations est introduite, ainsi que des exigences pour les éléments communs à plus d’un système de résistance des charges latérales. Les effets des déplacements sont accentués à travers le document et des clauses révisées pour la limitation des mouve-ments sont proposées. Les révisions du facteur d’importance l’intégrant à l’intérieur du format révisé proposé de la partie 4, Conception structurale, du CNBC sont présentées. De l’information de contexte est présentée pour les sujets ci-haut mentionnés. Mots clés: facteur d’importance du chemin de charge, structures irrégulières, direction des sollicitations, exigences spéciales, limitations des mouvements. [Traduit par la Rédaction] DeVall 286
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.005 | 0.019 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.007 | 0.008 |
| Science and technology studies | 0.005 | 0.002 |
| Scholarly communication | 0.005 | 0.002 |
| Open science | 0.003 | 0.001 |
| Research integrity | 0.003 | 0.003 |
| Insufficient payload (model declined to judge) | 0.126 | 0.048 |
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 source (direct Gemma or distilled Codex), 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".