Rion-Antirion Monitoring System
Bibliographic record
Abstract
VINCI group, the largest worldwide construction and concession group, operates exceptional structures and long span bridges such as the Confederation Bridge in Canada, Vasco de Gama Bridge in Portugal, Severn Crossing bridges in the United Kingdom (UK), and more recently, Rion-Antirion Bridge in Greece. European concession contracts commonly last over periods ranging from 20 to 70 years. Preventive inspections and structural maintenance represents significant challenges which occur over such periods. In the case of Gefyra, Operation Company of the Charilaos Trikoupis Bridge, also called Rion-Antirion Bridge, the concession period is 35 years. Therefore, Gefyra decided to work with Advitam to build methodologies and system to optimize structural inspection & the maintenance process. This includes a structural health monitoring system which provides real time monitoring of the bridge and automatic alarm management. The monitoring system is designed to monitor all critical elements of the bridge in order to detect abnormal behavior. It provides in particular automatic traffic management in case of earthquakes and high winds, which are common events in this part of the Gulf of Corinth. A very detailed Inspection & Maintenance manual, covering all aspects of long term maintenance includes: (1) Description & design of the project; (2) Periodic inspections; (3) Special event and post incident reaction plans; and (4) Preventive maintenance & heavy maintenance. A computerized inspection & maintenance system which improves quality and cost efficiency of the global process, as well as provides to the Greek authorities full quality control is described. The final article will briefly describe the methods and system involved, but will mainly focus on the benefits for the Concession Company and the Greek authorities.
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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 | 0.001 | 0.001 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.002 | 0.001 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.002 | 0.001 |
| Open science | 0.002 | 0.001 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.029 | 0.020 |
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".