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Record W3191959438 · doi:10.1061/9780784483626.029

Large Diameter Sliplining Rehabilitation of the Groat Road Storm Trunk

2021· article· en· W3191959438 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.
aboutThe title or abstract carries a Canadian signal from the geographic lexicon.

Bibliographic record

VenuePipelines 2021 · 2021
Typearticle
Languageen
FieldEngineering
TopicSimulation and Modeling Applications
Canadian institutionsUniversity of Alberta
Fundersnot available
KeywordsStormRehabilitationTrunkComputer sciencePhysical medicine and rehabilitationMeteorologyMedicinePhysicsPhysical therapy

Abstract

fetched live from OpenAlex

The Groat Road Storm Trunk Sewer services over 1,800 hectares of the north-west area of the City of Edmonton and is composed of 1,800 m of 1,727 mm, and 2,200 m of 2,337 mm diameter plate corrugated metal pipe (CMP). The trunk ranges between 7 and 17 m in depth, and includes 16 manholes, 7 drop structures, numerous laterals, and a large concrete combination chamber. This chamber links the 1,727 mm upstream to the 2,337 mm diameter downstream pipe section. Constructed in the mid 1950s, this trunk had experienced significant deterioration resulting in loss of invert, corrosion, and ovaling at numerous locations along its length. In 2018, Shanghai Construction Group (Canada) Corporation (SCG) was awarded the contract for the rehabilitation of the Groat Road Storm Trunk. SCG’s approach involved sliplining the CMP with fiberglass reinforced polymer (FRP) pipe and grouting the annular space and voids around the existing pipe. Drop structures would be replaced with new manholes, and existing chambers were rehabilitated with centrifugally cast concrete product. This paper discusses the challenges and lessons learned by the contractors engineering and construction team. It also reviews the design of the sliplining rehabilitation program and the delivery of this complex and challenging project.

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)0.000
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 score0.142
Threshold uncertainty score0.254

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
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 head0.014
GPT teacher head0.252
Teacher spread0.239 · 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