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Sobre as treliças mistas de aço e concreto.

2003· dissertation· pt· W4409493942 on OpenAlexaboutno aff
Roberto Fruchtengarten

Bibliographic record

Venuenot available
Typedissertation
Languagept
FieldArts and Humanities
TopicCultural, Media, and Literary Studies
Canadian institutionsnot available
Fundersnot available
KeywordsHumanitiesPhilosophy

Abstract

fetched live from OpenAlex

O objetivo deste trabalho é apresentar um estudo do comportamento estrutural das treliças mistas de aço e concreto, enfatizando a evolução das tensões normais e das flechas, inclusive após a plastificação total do banzo inferior. Para tanto, são apresentados sete estudos de casos, variando-se as dimensões do banzo superior, das diagonais e da laje de concreto, a configuração geométrica das diagonais e, por fim, acrescentando-se uma testeira de concreto acima da laje. Como instrumento para a análise numérica, é feita uma modelagem em elementos finitos, com auxilio do software \"Ansys\", na qual se admite que a treliça mista é escorada durante a fase construtiva e que o vínculo entre a laje e o banzo superior é rígido. Quanto aos materiais empregados, adota-se para o concreto o diagrama tensão-deformação proposto pelo CEB - FIP Model Code (1990), com pico de tensão igual à resistência média do concreto aos 28 dias de idade. Para o aço, considera-se o diagrama com trecho inicial elástico linear, seguido de um patamar em regime plástico e do trecho inicial do encruamento. Com base nos resultados obtidos, são discutidas as diretrizes para projeto da norma canadense Canadian Standards Association (CSA) 1989 e apresentados subsídios para a elaboração da Norma Brasileira sobre estruturas mistas

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 categoriesMeta-epidemiology (narrow), Insufficient payload (model declined to judge)
Consensus categoriesInsufficient payload (model declined to judge)
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Not applicable · Consensus signal: none
GenreCandidate signal: Other · Consensus signal: Other
Teacher disagreement score0.384
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0010.001
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0000.000
Science and technology studies0.0010.000
Scholarly communication0.0010.000
Open science0.0000.000
Research integrity0.0000.001
Insufficient payload (model declined to judge)0.0330.002

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 head0.023
GPT teacher head0.258
Teacher spread0.236 · 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; both teacher heads agree on what is shown here.

Study designNot applicable
Domainnot available
GenreOther

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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