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Record W579131866

BLASTING IS NO WAY OUT : QUEBEC ESCAPES FUTURE PROBLEMS BY SCRAPPING TRADITIONAL METHOD IN FAVOR OF A HIGH-PRESSURE WATER CLEANING AND OVERCOAT SYSTEM

2003· article· en· W579131866 on OpenAlexaboutno aff
C A Ballinger, W Senick

Bibliographic record

VenueRoads & bridges/Roads & bridges (Des Plaines, Ill. Online) · 2003
Typearticle
Languageen
FieldEngineering
TopicConcrete Corrosion and Durability
Canadian institutionsnot available
Fundersnot available
KeywordsRust (programming language)Rock blastingEngineeringForensic engineeringBridge (graph theory)Land reclamationCivil engineeringCorrosionWaste managementGeotechnical engineeringMining engineeringMetallurgyMaterials scienceArchaeologyComputer scienceGeography
DOInot available

Abstract

fetched live from OpenAlex

Traditional sand-blasting proved inappropriate for a cleaning and overcoating project on the Quebec bridge, a structure of recognized historic importance that was due for rehabilitation to address problems caused by erosion and rust. In April 1999, the Quebec Bridge Reclamation Project began. It has cleaned and coated half of the south and north arms and the portals of the structure, which is made of riveted steel and has an overall length of 3,239 ft., a width of 94 ft., and runs 340 ft. above the water. It carries a rail line, two pedestrian walkways and three vehicle lanes. The difficulties with traditional methods became apparent when inspections revealed crevice corrosion and pack rust that sandblasting would have little effect on. Traditional zinc-based coatings will not alter the chemistry of the crevices suffering from corrosion; in fact, sealing them will hasten it. Treatment with a Reacted Alkaline Viscolastic Calcium Sulfonate coating system can stop the process.

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.

How this classification was reachedexpand

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 categoriesMeta-epidemiology (narrow)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.541
Threshold uncertainty score0.999

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
Meta-epidemiology (narrow)0.0010.001
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.001
Open science0.0000.000
Research integrity0.0000.001
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 head0.213
Teacher spread0.199 · 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

Classification

machine, unvalidated

Machine predicted; a candidate call from one teacher head, not a consensus.

Study designSimulation or modeling
Domainnot available
GenreEmpirical

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".

Quick stats

Citations0
Published2003
Admission routes1
Has abstractyes

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