Tests of high-performance fiber-reinforced concrete beams with different shear span-to-depth ratios and main longitudinal reinforcement
Why this work is in the frame
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Bibliographic record
Abstract
Test results of 12 reinforced concrete (RC) beams having three shear span to effective depth ratios and two main longitudinal reinforcement amounts are reported. Six of the test specimens were produced with engineered cementitious composites (ECCs) and another corresponding six with ultra high-strength fiber-reinforced cementitious composite (RMC). The shear span to effective depth ratios of test specimens were selected low to investigate the shear performance of ECCs and RMC characterized by ultra high ductility-moderate strength and ultra high strength-moderate ductility, respectively. Shear-carrying capacity and ductility ratios of large-scale reinforced ECC and RMC beams were compared and interpreted for different shear spans, energy absorption capacities, and stiffnesses. The experimental results showed that for the three different shear spans, the RMC beams had higher shear capacity results than the ECC beams. Using both concrete types markedly restricted shear cracking and led to flexural failure. Overall findings suggest that RMC beams have higher shear capacity and yield stiffness than ECC beams, while ECC beams have a higher deflection ductility ratio and energy absorption capacity.
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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 | 0.000 |
| 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 it