STUDY OF MECHANICAL BEHAVIOR OF DEEP-BURIED MARBLE AT JINPING II HYDROPOWER STATION
Why this work is in the frame
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Bibliographic record
Abstract
The axial compression and acoustic emission(AE) tests on T2b marble samples at the depth of 2 000 m show that the crack initiation strength equals 0.4-0.5 times UCS(unconfined compression strength);and the crack damage strength approximately equal 0.8 times UCS.The results of T2b marble are similar to the results of Lac du Bonnet granite in URL(underground research laboratory),Canada.The triaxial tests on Jinping marble show a brittle-ductile-plastic transition with increase in confining pressure.A comparison study among T2b marble,Lac du Bonnet granite and Three Gorge granite is carried out to show the difference in post peak mechanical behavior.The brittle-ductile-plastic transition of T2b marble is described by using the constitutive model based on Hoek-Brown strength criterion.The study results are applied to prediction of damage depth in excavation damage zone(EDZ) of diversion tunnels at Jinping II hydropower station.
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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