Creep and Shrinkage of Nonproprietary Ultra-High-Performance Concrete
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Bibliographic record
Abstract
This paper presents the results of the experimental evaluation of four nonproprietary ultra-high-perfor¬mance concrete (UHPC) mixture proportions current¬ly being used for industrial applications by various precast concrete producers across the United States and Canada. The main objective of this research was to acquire data about the effects that creep and shrinkage phenomena produced with UHPC materials. Shrinkage was assessed by the ASTM C157 testing method modified by ASTM C1865 and ASTM C1698. Creep was evaluated by the ASTM C512 testing method modified by ASTM C1856. Results for creep and shrinkage strains and creep coefficient are pre¬sented and discussed. Comparisons with conventional concrete are also made. This detailed characterization of creep and shrinkage properties of the nonproprietary UHPC mixture proportions advances the understanding of UHPC materials and phenomena and offers useful information for further research on applications of UHPC for prestressed concrete structural components.
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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