Winter Maintenance of Permeable Interlocking Concrete Pavement: Examining Opportunities to Reduce Road Salt Pollution and Improve Winter Safety
Bibliographic record
Abstract
Permeable Interlocking Concrete Pavement (PICP) rapidly drains surface water through its paver joint spaces and therefore has the potential to prevent ice from forming during winter conditions. As a result, PICP may reduce the amount of road salt needed for de-icing paved surfaces, and it may also reduce the risk of pedestrian slipping and vehicle skidding. PICP also has the potential to reduce chloride concentrations released to the environment from winter salting practices, as melted ice and snow are temporarily retained within the aggregates of its base and subbase layers. This study evaluates the performance of an outdoor PICP and asphalt test pad over two winter seasons in Vaughan, Ontario by assessing differences in surface conditions, surface friction, surface temperatures, and chloride concentrations. PICP was found to prevent melted ice and snow from refreezing, have less drastic reductions in surface temperatures at sunset, and attenuate and delay chloride concentrations.
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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 | 0.000 |
| 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 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".