Pore-water pressure and liquefaction response of layered fine soils undergoing cementation
Bibliographic record
Abstract
Cemented paste backfill (CPB) is fine-grained soil undergoing cementation. It is widely used in mining operations for ground support and tailings disposal. In the field, CPB may be placed in one layer (continuous filing), or multiple layers (discontinuous or sequential filling). Until now, no studies have addressed the effect of the different filling strategies on the CPB response during cyclic events by using the shaking table technique. This paper presents new findings regarding the effect of the different filling strategies of CPB on its geotechnical response to dynamic loading. Samples were prepared with different scenarios, including one layered-CPB sample (discontinuous filling), in which each layer was cured for a different duration, and two unlayered-CPB samples (continuous filling), one of which was cured for 2.5 h and the other for 4.0 h. All samples were exposed to the same cyclic loading conditions using a one-dimensional shaking table. Geotechnical parameters, including pore-water pressure, settlement, volumetric water content and liquefaction susceptibility, were monitored or determined before, during and after shaking. The results indicate that layered-CPB samples are resistant to liquefaction under the studied loading conditions, while the unlayered-CPB samples are prone to liquefaction under the studied conditions when they are cured for less than 4.0 h.
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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 | 0.000 | 0.000 |
| 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".