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Discussion of “Alternative Shear Reinforcement of Reinforced Concrete Flat Slabs” by K. Pilakoutas and X. Li

2005· article· en· W2113803089 on OpenAlex
Gerd Birkle, Ramez B. Gayed

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

VenueJournal of Structural Engineering · 2005
Typearticle
Languageen
FieldEngineering
TopicStructural Behavior of Reinforced Concrete
Canadian institutionsUniversity of Calgary
Fundersnot available
KeywordsReinforcementShear (geology)Reinforced concreteMaterials scienceStructural engineeringComposite materialGeotechnical engineeringEngineering

Abstract

fetched live from OpenAlex

This brief article comments on a paper that presented a series of validation tests for a patented shear reinforcement system for reinforced concrete (RC) flat slabs (Pilakoutas and Li, September 2003). The system, called Shearband, consists of elongated thin steel strips punched with holes, which undulate into the slab from the top surface. The main advantages of the new reinforcement system are structural effectiveness, flexibility, simplicity, and speed of construction. Four RC slabs were tested in a specially designed test rig. The paper reviewed existing types of shear reinforcement and identified the need for more efficient, economic solutions. The authors concluded that the system enabled the slabs to avoid punching shear failure and achieve their flexural potential. In this commentary, the authors contend that the concrete strength of the control specimen in the study is considerably smaller than the specimens with shearbands. The discussers believe that shearbands, installed as proposed for construction, will have poor anchorage and contribute little to the punching shear strength. They conclude that the shearbands are not practical: they do not satisfy the ACI 318-02 code anchorage requirement and the experimental investigation presented in the paper does not show that they are effective.

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)0.000
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: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.004
Threshold uncertainty score0.903

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.001
Open science0.0000.000
Research integrity0.0000.000
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 head0.006
GPT teacher head0.215
Teacher spread0.209 · 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