Effect of Polycarboxylate Superplasticizer on Contribution of Interfacial Transition Zone to Electrical Conductivity of Portland Cement Mortars
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Bibliographic record
Abstract
The effect ofa polycarboxylate high-range water-reducing admix lure on the electrical conductivity and interfacial transition zone (I1Z) characteristics of portland cement mortars was evaluated using AC impedance. spectroscopy, mercury intrusion porosimetry, and two electrical conductance models: the inteifacial excess conductance and Bruggeman's asymmetrical effective medium theories. Mechanical tests were also performed. Mortar specimens used had sand-cement ratios (sIc) of 0.5, 1.0, and 1.5, aqueous high-range water-reducing admixture dosages 0/0,0.3, and 0.75% (by mass of cement) and a water-cement ratio (w/c) of 0.35. The results showed that the presence ofthe polycarboxylate highrange waterreducing admixture had positively modified the interfacial transition zone performance and the microstructural characteristics ofthe hardened mortars. It was found, however. that this highrange water-reducing admixture reduced the rate of hydration during the first day,
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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) | 0.003 | 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