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Record W4410258570 · doi:10.1016/j.jpse.2025.100294

Composite repair of large size diameter pipe with severe metal loss defects

2025· article· en· W4410258570 on OpenAlex

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.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.
fundA Canadian funder is recorded on the work.

Bibliographic record

VenueJournal of Pipeline Science and Engineering · 2025
Typearticle
Languageen
FieldEngineering
TopicStructural Integrity and Reliability Analysis
Canadian institutionsAlberta Energy
FundersTransCanada PipeLines Limited
KeywordsComposite numberMaterials scienceComposite material

Abstract

fetched live from OpenAlex

A full-scale testing program was conducted to evaluate the use of carbon-epoxy composite repair technology to reinforce severe corrosion defects in large-diameter pipes. The technical elements associated with this program included reinforcing up to 85% deep corrosion defects in 24-inch diameter pipe samples, including integrating design equations, testing conditions, and performance subject to cyclic pressure and burst testing at elevated temperatures. The objective of the test program was to evaluate changes in the composite design thickness considering a range of severe corrosion depths based on guidance provided in ASME PCC-2, as well as the pressure capacity based on the methodology embodied in ASME B31G for the effects of layers. The testing program also evaluated the ASME PCC-2 design guidance subjected to cyclic pressure conditions at 60°C (140°F). The composite technology evaluated in this program has aimed to advance the effectiveness of composite repair while also addressing common severe corrosion defects to guarantee the operational life of a pipeline based on an optimized design configuration. This integration of knowledge based on results derived from this program offers substantial promise in guiding future composite repair procedures, structural reinforcement designs, and material choices, culminating in enhanced structural robustness and dependability of high-pressure transmission pipeline systems.

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 imitation

Not 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.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: Simulation or modeling
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.247
Threshold uncertainty score0.352

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.001
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

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.

Opus teacher head0.004
GPT teacher head0.215
Teacher spread0.211 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it