Effects of curing temperature on moisture distribution, drying and water absorption in self-compacting concrete
Bibliographic record
Abstract
Steam curing is normally used in the precast industry to increase the rate of strength development with the aim of reducing the cycle time and thereby increasing productivity. However, there is concern about the durability of steam cured concrete elements, which is mainly determined by the quality of the cover concrete. In an effort to evaluate the effectiveness of curing at 50°C for several hours in producing durable concrete, compared to moist curing at 23 and 38°C for seven days, the moisture distribution of drying self-compacting concrete containing 30% fly ash, as well as the moisture distribution in water uptake experiments were studied using magnetic resonance imaging. The results of drying indicated an increased moisture loss in the cover concrete when the specimens were cured at 50°C. The water uptake experiments showed a higher penetration of the water front, higher sorptivity, and higher moisture diffusivity of concrete cured at 50°C compared to concrete which was moist cured at 38°C.
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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 | 0.001 |
| 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) | 0.001 | 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 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".