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Record W2950856496 · doi:10.1680/jmacr.19.00092

Punching strength of continuous concrete slabs

2019· article· en· W2950856496 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.

Bibliographic record

VenueMagazine of Concrete Research · 2019
Typearticle
Languageen
FieldEngineering
TopicStructural Response to Dynamic Loads
Canadian institutionsUniversity of Waterloo
Fundersnot available
KeywordsPunchingSlabStructural engineeringCrackingBending momentStiffnessShear strength (soil)Parametric statisticsGeotechnical engineeringFlexural strengthShear (geology)Materials scienceEngineeringGeologyComposite materialMathematics

Abstract

fetched live from OpenAlex

Punching tests on continuous concrete slabs are very expensive and elaborate. As a consequence, the majority of the existing punching tests have been performed on isolated specimens representing only the hogging moment region around the considered slab–column connection. Isolated punching tests are valuable in order to analyse the punching shear behaviour systematically. Nevertheless, beneficial effects of slabs' continuity (e.g. moment redistributions and membrane actions) may not occur in these tests. To investigate the punching shear behaviour of continuous concrete slabs, in this paper the existing two-parameter kinematic theory for punching shear in reinforced and prestressed concrete slabs is applied. The beneficial effects of slab continuity on punching strength are estimated based on a theoretical model described in the literature. The kinematic theory is applied to evaluate punching tests on a continuous slab, revealing good agreement between predictions and experimental results. As only few punching tests on continuous slabs are available, further parametric studies are performed to analyse the effects of slab continuity on punching strength in more detail. The results suggest higher punching shear capacities for continuous slabs than for isolated slabs. Nevertheless, the beneficial influences of slab continuity on punching strength strongly depend on the slab stiffness and flexural cracking.

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)0.001
metaresearch head score (Gemma)0.001
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesInsufficient payload (model declined to judge)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.247
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.001
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0000.001
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0010.000
Research integrity0.0000.001
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 head0.017
GPT teacher head0.289
Teacher spread0.272 · 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