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Record W2583915116 · doi:10.3130/aijs.65.139_2

STUDY ON RESTORING FORCE CHARACTERISTICS MODEL FOR PRESTRESSED CONCRETE FRAMES

2000· article· en· W2583915116 on OpenAlexaff
Masayuki Hamahara, Masahiro Nakamura, Seijiro IIDA, Tsuyoshi Fukui

Bibliographic record

VenueJournal of Structural and Construction Engineering (Transactions of AIJ) · 2000
Typearticle
Languageen
FieldEngineering
TopicStructural Behavior of Reinforced Concrete
Canadian institutionsPQ Corporation (Canada)
Fundersnot available
KeywordsPrestressed concreteStructural engineeringReinforcementHingePlastic hingeRestoring forceLinearizationMaterials scienceEngineeringNonlinear systemPhysics

Abstract

fetched live from OpenAlex

In this paper, elasto-plastic analyses using a matrix method were systematically performed, in order to investigate the hysteretic behavior of multi-story prestressed concrete frames. The variables adopted in the analyses were the number of the stories, the yielding mechanism type, and the ratio of reinforcement index for non-prestressed reinforcement to that for prestressed steel. Through these analyses it is shown that the hysteretic behavior of prestressed concrete frames strongly depends on that of the yield hinge regions. On the basis of this result, the authors present a restoring force characteristics model for prestressed concrete frames. Furthermore, a design method was proposed to check the retained lateral strength of the prestressed concrete frames, based on the equivalent linearization method.

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 machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: metacan-v3-hybrid-931329e0061cValidation 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: none
Teacher disagreement score0.004
Threshold uncertainty score0.007

Distilled classifier scores by category (both heads)

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 science0.0010.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0010.000

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 head0.011
GPT teacher head0.222
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

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
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
Published2000
Admission routes1
Has abstractyes

Explore more

Same venueJournal of Structural and Construction Engineering (Transactions of AIJ)Same topicStructural Behavior of Reinforced ConcreteFrench-language works237,207