On the Validity and Limits of the Gasket Effective Width Concept
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Bibliographic record
Abstract
In the current ASME code procedure for the design of the gasketed bolted joints, the concept of the effective width is introduced to take into account the effect of the non-uniform gasket contact stress distribution. The code fixes a threshold value of the gasket width above which an adjustment of the gasket contact width is introduced. The validity of this threshold has never been verified. Under the normal operating conditions of flanges used with flat gaskets, the definition of this threshold is independent of the bolt load, the average gasket stress, the internal pressure and the flexibility of the joint. In this paper a study on the new limits of the concept of the effective gasket width is conducted. A new approach for the calculation of the effective gasket width, based on the results of an experimental investigation and undertaken in parallel to a numerical study, is presented. This approach takes into account the non-uniform distribution of the gasket stress, the flexibility of the flanges, the mechanical behavior and the sealing performance of the assembly.
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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 it