Axial Load Behaviour of Non-pierced and Pierced Double Skin Composite Walls Subjected to Elevated Temperature
Bibliographic record
Abstract
Double skin composite walls (DSCWs) consist of two skins of profiled steel sheeting and in-fill of concrete. DSCWs are proposed to act as axial and lateral load resisting elements in buildings. This research concentrates on the structural performance of pierced (having a central opening) and non-pierced DSCWs subjected to elevated temperatures of up to 600 C maintained for steady state duration of two hours. Performance of DSCWs subjected to elevated temperatures is evaluated in terms of physical changes, residual axial load capacity/stiffness, axial load-deformation response, energy absorbing capacity, steel-concrete interaction, and overall failure modes. Analytical models for the axial load capacity of DSCWs are used to compare experimental results. The recommendations of this research will be useful for the development of guidelines for the post-fire axial strength/ stiffness of DSCWs and will aid in the development of fire protection measures.
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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 | 0.000 | 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) | 0.003 | 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".