Alternative Setup Apparatus to Test ASTM A944-10 Beam-End Specimens
Bibliographic record
Abstract
Abstract The setup apparatus described in ASTM A944-10, Standard Test Method for Comparing Bond Strength of Steel Reinforcing Bars to Concrete Using Beam-End Specimens, is designed to apply the load horizontally with respect to the laboratory floor. However, many civil engineering laboratories currently use (or have access to) rigid testing frames designed to apply the load vertically. Thus, a setup apparatus adapted to the current frames in use and alternate to the one described in ASTM A944-10 was developed and is thus presented. Following a brief review of the major characteristics of a typical ASTM A944-10 beam-end specimen, the proposed setup apparatus and the procedure to mount and test the specimen are described. Thereafter, the results of three groups of specimens having three replicas each are presented and are followed by a discussion on how to interpret and analyze the information obtained from the test.
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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 | 0.002 |
| 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".