Flowslide on a fill slope triggered by a burst water pipe: a case history
Bibliographic record
Abstract
This paper presents a case study in Hong Kong of a flowslide occurred on a fill slope triggered by a burst water pipe buried near the slope crest. The onset of failure was recorded by nearby pedestrians and the video was immediately posted in social media, which had caught noticeable public attention. The flowslide resulted in a temporary closure of an undermined road section at the slope crest. The debris travelled over 500 m down the natural hillside within a country park. No casualties were reported. History of the site was studied. Information was collected to establish the chronological order of events happened before the flowslide. Post-landslide investigations including field mapping in the source area and along the debris trail, ground investigations, and a fluid-coupled numerical study were undertaken to examine the probable cause and mechanism of the failure. It is diagnosed that the high mobility of this landslide would be caused by the saturation of a loose fill layer in the slope due to water egress from the burst pipe, which in turn might have triggered a static liquefaction of the loose fill. Lessons learnt from this case history and measures to minimize similar landslide hazard on other fill slopes with similar settings are discussed.
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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 | 0.001 |
| Insufficient payload (model declined to judge) | 0.001 | 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".