Durability Properties of Mortar Overlays with Glass Aggregates
Bibliographic record
Abstract
Sustainable building materials are the future of the construction industry. Specifically, eco-friendly cementitious materials that are mechanically sound and durable are desired as the majority of the world’s infrastructure, including roads and bridges, are made with concrete. Since the durability of cementitious materials can greatly affect the performance of a structure, it is important to evaluate the properties of these new materials. In this study, cement mortar overlays containing recycled glass aggregates were investigated. Particularly, the focus of this study was to determine the benefits of using glass in reducing early-age cracking of mortar overlays. The rate of plastic shrinkage crack formation and overall crack area was quantified for specimens subjected to set environmental conditions. In addition, the rate of absorption, which influences the serviceability and structural performance of a structure, was also evaluated. The findings of the experimental study suggest that glass aggregates are effective in reducing the rate of crack formation by 98% when full glass replacement is used. Furthermore, at full glass replacement, the initial and secondary rate of absorption was found to decrease by 31% and 63%, respectively.
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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".