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Record W1595772741

Guide to Bridge and Combination Barriers

2010· article· en· W1595772741 on OpenAlexaboutno aff
Kieth Holmes, C Ngan

Bibliographic record

Venuenot available
Typearticle
Languageen
FieldEngineering
TopicTransportation Safety and Impact Analysis
Canadian institutionsnot available
Fundersnot available
KeywordsBridge (graph theory)Principal (computer security)EngineeringCrashTransport engineeringComputer scienceConstruction engineeringComputer security
DOInot available

Abstract

fetched live from OpenAlex

The Guide was developed to synthesize and help unify the Canadian bridge barrier design practice. This was achieved by providing information and issues relating to current Canadian practice, and summarizing the resources, research and design guidance that is available and accepted by the major North American agencies and jurisdictions. The Guide summarizes the information and interprets the Canadian Highway Bridge Design Code (CHBDC), which is the principal design code specification for bridge barriers in Canada. The Guide is divided into the following eight chapters: Barrier Performance Levels; Conceptual Design Guidance for New Traffic Barriers; Detailed Design of New Traffic Barriers; Combination Barriers and Multi-Modal Protection; Bridge Barrier End Treatments; Evaluation and Upgrade of Existing Bridge Barrier Systems; and Looking Ahead. The document is intended to serve as a comprehensive summary guide and not a design specification guide. No crash testing was conducted for the project and all findings noted in the Guide are based solely on literature review and interviews with expert researchers and representatives of the major Canadian jurisdictions. (A)

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)0.000
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: Observational · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.714
Threshold uncertainty score0.424

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 head0.004
GPT teacher head0.229
Teacher spread0.225 · 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.

The models applied no category: nothing in the taxonomy fit this work.
Study designObservational
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
Published2010
Admission routes1
Has abstractyes

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