SELF-CONSOLIDATING CONCRETE SOLVES CHALLENGING PLACEMENT PROBLEMS
Why this work is in the frame
A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.
Bibliographic record
Abstract
This article describes how self-consolidating concrete (SCC) was used to fill 100-foot high steel composite columns at a new airport terminal in Toronto, Ontario. The concrete had to be pumped vertically from the bottom of the column. The concrete for the job had to be homogenous, with little tendency to bleed and segregate. Appropriate mix proportions were developed to achieve 30 MPa at 28 days strength and a slump flow between 650 and 750 mm. Sufficient time of plasticity was required to ensure ease of pumping. A test placement was conducted before the SCC was placed in the remaining 179 columns. Water-reducing admixtures were used to achieve and maintain the specified slump flow throughout the pumping process. This unique use of SCC provided a cost-efficient solution for a difficult project.
Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.
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) | 0.001 | 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 it