A critical review on current and proposed structural fire engineering codes for steelwork in South Africa
Bibliographic record
Abstract
This paper presents a review on the code requirements in South Africa for steelwork exposed to fire conditions, both currently and the proposed changes to the codes. The SA hot-rolled steel design code, SANS 10162-1 [1], is based upon the Canadian steel code, CSA S16 [2], and contains negligible guidance in relation to fire design. It is currently being proposed that the updated Canadian code be adopted for the next revision of SANS 10162, along with its new fire engineering guidelines (Annex K). In this paper the proposed new guidelines are presented and investigated relative to local building code requirements as outlined in the National Building Regulations (described in SANS 10400: Part T [3]). They are also compared to the Eurocode suite of design guides [4,5], which are considered to be technically advanced codes. It can be seen that the Canadian guidelines can be effectively adopted in the next iteration of SANS 10162, and provide results consistent with the Eurocode design equations. However, in the long term it may be necessary to move towards or consult the Eurocodes because of the much broader scope they encompass.
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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 | 0.002 | 0.004 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.007 | 0.007 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.001 | 0.002 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.005 | 0.001 |
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".