CODE PROVISIONS FOR HIGH-STRENGTH CONCRETE: AN INTERNATIONAL PERSPECTIVE
Bibliographic record
Abstract
This article compares some of the provisions from five different codes of practice--the American Concrete Institute Building Code Requirements for Structural Concrete, the Comite Euro-International du Beton Model Code, the European Committee for Standardization for Design of Concrete Structures, the Canadian Standards Association for Design of Concrete Structures and the Standards Association of New Zealand Concrete Design Standard--for the structural design of elements made with high strength concrete. While codes from different countries have similar objectives, they sometimes have significant differences in their requirements for the design of high-strength concrete members. These differences often reflect the region/country's prior state of the art and tradition. Provisions concerning compressive strength limits, load and resistance factors, specified and characteristic strengths, modulus of elasticity, concrete tensile strength, minimum reinforcement for flexure, stress distributions for determining the nominal resistances under flexure and axial loads, and column confinement for seismic design are compared.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot 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.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.003 | 0.006 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.001 |
| Bibliometrics | 0.005 | 0.004 |
| Science and technology studies | 0.003 | 0.005 |
| Scholarly communication | 0.005 | 0.004 |
| Open science | 0.001 | 0.002 |
| Research integrity | 0.003 | 0.005 |
| Insufficient payload (model declined to judge) | 0.004 | 0.001 |
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.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
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".