Why this work is in the frame
A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.
Bibliographic record
Abstract
Miter bends are permitted for use in the oil and gas industry in a variety of configurations. This paper addresses small angle miter joints used to correct minor misalignments. The CSA Z662-15 standard (Oil and Gas Pipeline Systems) states in the construction section (Clause 6.2.3(g)) that “mitred bends shall not be used”. However, a note accompanying the clause states that “deflections up to 3 degrees caused by misalignment are not considered to be mitred bends.” Nonetheless, concerns continue to be raised that stresses introduced due to this misalignment can affect safety and operation of pipelines. This paper reviews literature of failures associated with mitered joints and the theoretical development of stresses in miters, and presents results from a linearized sensitivity analysis of buried mitered joints under pressure and thermal loading based on ASME B31.1 and B31.3 criteria. The paper contains an analysis of the origins of CSA-Z662 Clause 6.2.3(g). Recognizing that the stresses introduced by miters are discontinuity stresses, the paper discusses the effects of such stresses, including the use of miters in cyclic service. Recognizing also the strong dependence of D/t ratio on the discontinuity stress, the paper suggests a modification to the Z662 approach to account for this effect. This modification would provide guidance to the use of miters to effect small deflections both during design and construction of piping.
Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.
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) | 0.001 | 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 it