Deformation mechanisms of Dazu Rock Carvings ceiling based on negative Poisson’s ratio anchor support
Why this work is in the frame
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Bibliographic record
Abstract
Stone cultural relics represent an important component of China’s cultural heritage. Yuanjue Cave in Chongqing has developed severe stability problems after over 1000 years of weathering, with intersecting cracks (C1, C2, and C3) posing a potential risk of collapse. This study investigates the cave’s deformation and failure mechanisms through geological analysis, physical model experiments employing negative Poisson’s ratio (NPR) anchors, and numerical simulations. The structural conditions are characterized by unloading and interlayer cracks, which facilitate water infiltration. NPR anchor support effectively limited ceiling settlement to within 0.3 mm, significantly enhancing stability, particularly at crack intersections and the cave entrance. Settlement along the C1 crack was associated with the cantilevered north rock mass; however, NPR anchors effectively mitigated rainfall-induced deformation. These findings demonstrate the effectiveness of NPR anchors in controlling cave deformation and provide valuable technical references for the protection and reinforcement of stone cultural relics.
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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) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 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 | 0.001 |
| 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