Torsional Vibration of a Pipe Pile in Arbitrary Layered Saturated Soil Based on the Additional Mass Model
Bibliographic record
Abstract
ABSTRACT This study systematically investigates the torsional vibration characteristics of pipe piles embedded in arbitrary layered saturated soils using an additional mass model to account for soil plug effects. A coupled pile‐soil torsional vibration model is developed by integrating Biot's poroelastic theory and the additional mass model, considering viscous damping in both the pile shaft and surrounding soil. Analytical solutions for the torsional dynamic complex impedance at the pile head in the frequency domain are derived using Laplace transforms, separation of variables, and impedance function recursion. The degenerate form of the solution is validated against existing results for solid piles in saturated soils, confirming its accuracy. Parametric analyses are conducted to evaluate the effects of pile geometry, soil properties, and soil plug characteristics on the torsional dynamic stiffness and damping of the pile head, providing insights into the influence mechanisms of key factors in layered saturated soil systems.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| 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 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 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 source (direct Gemma or distilled Codex), 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".