Erweitertes Modell zur Berechnung der Rissbreite
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Bibliographic record
Abstract
Abstract Die Beschränkung der auftretenden Rissbreiten ist bei Stahlbetonbauteilen eine maßgebliche Bemessungsaufgabe zur Sicherstellung der Gebrauchstauglichkeit und Dauerhaftigkeit. Im vorliegenden Beitrag wird ein neues, praxisgerechtes Modell zur Berechnung der charakteristischen Rissbreite vorgestellt, welches auf allgemeingültigen mechanischen Ableitungen aufbaut und den charakteristischen Rissabstand sowie die zugehörigen charakteristischen Dehnungen über eine konsistente, verbundorientierte Methodik bestimmt. Die Bestimmungsgleichungen wurden in einer umfangreichen Parameterstudie ermittelt, sodass das neue Berechnungsmodell den Ansatz des EC2/NA [ 2 ] bzw. der DIN 1045‐1 [ 10 ] im Hinblick auf verbundspezifische und rissmechanische Zusammenhänge verbessert und den Anwendungsbereich in der praktischen Anwendung erweitert. Extended model to calculate the crack width The calculation of the crack widths is a main task within the design of reinforced concrete structures in order to secure the serviceability and the durability. In the following a new, practical model for the calculation of the characteristic crack width is presented, which is based on general mechanical relationships and determines the characteristic crack spacing and the associated characteristic strains with a consistent, bond‐oriented methodology. The calculation formulas were determined in an extensive parameter study so that the new calculation model improves the approach of the EC2/NA [ 2 ] or DIN 1045‐1 [ 10 ] in terms of bond specifics and crack mechanics and extends the application range in the practical use.
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Full frame distilled prediction
Teacher imitationNot 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.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.000 | 0.002 |
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.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it