Short-Term Lateral Response of a Buried Modular Polymer Stormwater Collection Structure to Compaction and Overburden Pressure
Bibliographic record
Abstract
Results from full-scale physical experiments are reported to identify and quantify short-term lateral response around the perimeter of a modular polymer stormwater collection structure during backfilling and under applied vertical pressures equivalent to the maximum and maximum-factored burial depths. The physical simulation was such that lateral stresses developed in the side fill for stiff native trench conditions and the particular soil, compaction, and resulting lateral displacements of the side panels (i.e., soil-structure-compaction interaction). Two types of coarse-grained soil, two types of compaction, and two structure heights were examined. Tensile strains in edge PVC columns were induced by lateral bending from soil placement and lateral earth pressures. Of the conditions examined, rammer-compacted 19-mm poorly graded gravel resulted in the largest short-term edge column tensions (0.4%); however, even these values were 4.5 times smaller than the measured short-term PVC rupture strains.
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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 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 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".