Effect of Rubber Aggregate on Reduction of Compressive Strength of Concrete
Bibliographic record
Abstract
Serials experiments were designed to study the effect of rubber aggregate(waste tyre)on compressive strength of normally vibrated concrete and self-compacting concrete.The experiential relationship between the reduction rate of compressive strength of concrete and the volume fraction of rubber aggregate was established.Results indicate that addition of rubber aggregate remarkably reduces the compressive strength of concrete.The more the volume fraction of rubber aggregate in concrete is,the higher the reduction rate of compressive strength of concrete is.The reduction rate of compressive strength of normally vibrated concrete is slightly higher than that of self-compacting concrete with the same volume fraction of rubber aggregate.The effect of rubber aggregate on reduction of compressive strength of concrete is about the same as that of air pore with the same volume fraction of rubber aggregate.The reduction rate of compressive strength of concrete is 4.5%by addition of rubber aggregate of 1%volume fraction,which can be used as reference to design mix proportion.
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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".