Effect of Pozzolanic Admixtures on the Fresh Properties of Cement-Based Foam
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Bibliographic record
Abstract
Abstract This experimental study was conducted to investigate the influence of pozzolanic admixtures on the fresh properties of cement-based foams. The cement-based foam mixes were tested at three different cast densities namely, 800, 600, and 400 kg/m3. Along with a reference mix, other series were prepared in which fly ash, silica fume, and metakaolin were added to the binder at up to 10 % and 20 % replacement by cement mass. The Marsh cone test and the flow cone test techniques were employed to measure the flowability and spreadability for 21 cement-based foam mixes. The results show that the addition of pozzolanic admixtures increases the flow time and the longest time recorded with metakaolin. A linear relationship of spread with the density of the mixes was found in this study. It was also found that with the addition of fly ash and silica fume, there was an increase in the demand for foam content. On the other hand, adding metakaolin reduced this demand. Based on the experimental results, an equation to predict the spreadability of the mixes with pozzolanic admixtures has been suggested.
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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 | 0.001 | 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