Effects of reconsolidation time on holding capacity of deepwater dynamically installed anchors
Bibliographic record
Abstract
A dynamically installed anchor (DIA) is a practical and promising type of anchor for deepwater offshore engineering. Currently, very few research studies have reported the effects of reconsolidation time on the holding capacity of DIAs. Moreover, there is no well-established, simple, and practical method for determining the time-dependent holding capacity of a DIA. To solve this problem, a series of centrifuge model tests was conducted by varying the reconsolidation time. In the intermediate-term reconsolidation scenario, the normalized holding capacity increased with the dimensionless time in an approximately log-linear manner. Based on this finding and a conventional American Petroleum Institute (API) method put forth in 2007 as well as the cylindrical cavity expansion theory, a simple three-term framework was developed to estimate the time-dependent holding capacity of DIAs. In this framework, cavity closure and skin friction were quantitatively correlated with the reconsolidation time. To validate the feasibility of the proposed framework, the predicted results were compared with the experimental results of cases in this study and other researchers’ work. As such, it was verified whether this framework could be used to estimate the time-dependent holding capacity of DIAs rationally.
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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) | 0.000 | 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".