Ontario's Experience in the Construction of Perpetual Pavement Trials
Bibliographic record
Abstract
As part of the on going effort to promote sustainability in the design, construction, and maintenance of highway infrastructure, the Ministry of Transportation, Ontario (MTO) has identified the need to construct perpetual pavements on major highways. It is anticipated that this approach will reduce major rehabilitation works and the associated green house gas emissions by reducing traffic delays associated with major construction. In 2006, the first perpetual pavement trial with Rich Bottom Mix (RBM) was constructed on Highway 406, near Thorold. Subsequently, two more perpetual pavement trial projects were identified for construction on Highway 7, Carleton Place and Hwy 401, Woodstock in Ontario. The trial section on Highway 401 is divided into three segments: perpetual pavement section with RBM; perpetual pavement section without RBM; and conventional flexible pavement control section. All three segments will be instrumented in collaboration with the Centre for Pavement and Transportation Technology at the University of Waterloo, Ontario, to better understand the behaviour of the different layers in each section under various traffic loadings and environmental conditions. More specifically, the basic concept used in the perpetual pavement design will be evaluated through long-term monitoring of pavement performance through instrumentation as well as the traditional approach which includes manual distress surveys, and measurements of deflection, roughness and rutting. This paper describes briefly the experience gained in the construction of perpetual pavement design test sections in Ontario focusing mainly on the design and construction of rich bottom mix, and the instrumentation of the test sections.
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How this classification was reachedexpand
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 | 0.001 | 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, 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".