The effect of curing condition and use of additives on compressive strength of lime/pozzolana mortar
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Bibliographic record
Abstract
Previous studies have shown that the obsidian pozzolana of the Sabaloka area processes a high pozzolana index. Therefore, it was chosen to study the effect of its curing condition and use of additives on the compressive strength of lime pozzolana mortar. The investigation revealed that the strength of pozzolana mortar is affected positively or increases with the curing condition (humidity, time, and temperature); also the strength increases with the addition of torona (2, 5 and 10%) which the higher the strength reveals the higher the percentage of additives (10%). This is probably due to carbonation. The indirect curing gave higher strength than that of direct curing when we compared the carry fine fractions, respectively for indirect and direct curing. Regarding carbonation, the possibility of absorption of CO2 from the atmosphere is greatly increased by the indirectly cured lime/pozzolana cubes because atmospheric CO2 rates with lime to produce caco3 which is accompanied by a gain in strength. The strength of pozzolana/lime mortar affected by the earing time. Long time of curing (120 days) gave the strength compared to the early strength 7 and 14 days; the same behaviour also for less finer (90 to 63 μ) gave 16 N/cm2 for 120 days as compared to only 11 N/cm2 for 7 days. Key words: Pozzolana, curing condition, humidity, time, tempreture, torona, strength, carbonation.
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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 | 0.000 | 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) | 0.000 | 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