Effect of Geogrids on Interface Shear Strength Properties of Recycled Crushed Brick
Bibliographic record
Abstract
Construction and demolition (C&D) materials are defined as the materials obtained from demolition activities such as crushed concrete, crushed brick, and reclaimed asphalt. The disposal of these materials in landfills is a major problem for the environment. The urgency and significance of recycling C&D materials has been raised because of the scarcity of natural aggregates, difficulties in finding landfill, and other environmental concerns. Hence, the present paper describes the physical and geotechnical characteristics of recycled crushed brick (CB) to reuse in different civil engineering applications. The laboratory experiments involved modified compaction test, particle size distribution, specific gravity, water absorption, and Los Angeles abrasion. Furthermore, the interface shear strength properties of the CB material with geogrids and their performance as a pavement subbase material was ascertained by using a large direct shear testing (DST) apparatus. The higher tensile strength triaxial geogrid was found to attain higher interface shear strength properties than that of the lower tensile strength biaxial geogrid. The DST results, however, indicated that the interface shear strength properties of the geogrid-reinforced CB material were less than that of the respective material without reinforcement. The results were also found to meet the peak and residual shear strength and local road authority requirements for typical construction materials in civil engineering applications.
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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 | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 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".