Notice bibliographique
Résumé
This research contributes to understanding the interaction between ground-related problems and mining systems as a basis for the development of flexible mining systems. It has demonstrated that ground-related problems impose a significant operating risk factor that requires particular attention in proactive mine planning and design. A new philosophy for quantifying the impact of ground-related problems and assessing the links between mine planning and geomechanics was established. The various types of potential problems were classified based on review of case studies and the surveillance of ground failures in several underground hard rock mines of the Sudbury Basin. It was demonstrated that, despite serious efforts in the design of underground mines, ground-related problems still cannot be totally avoided. A time-dependent internal risk model was established to quantify the impact of ground-related problems in mine production systems. Subjective probabilities provide the input for a reliability analysis, which derives the required input parameters for production simulation. Reliability analyses that are currently used to calculate the reliability of mine equipment were applied for the case of mine subsystems with ground-related problems. A cost impact model that is dependent on the parameters determined in a reliability analysis was introduced. Flexibility needs in mine planning and design, with respect to ground-related problems, were analyzed through conventional discounted cash flow analysis, real options analysis, production simulation, and Monte-Carlo simulation. Approaches that are currently applied in investment science and decision making were evaluated in terms of their applicability to evaluate such flexibility needs in mining systems. A methodology that includes the applicability of project valuation analyses to assess flexible mining systems with respect to potential ground-related problems, along with a flexibility index, were introduced. Their applicability is demonstrated through test case studies. Contingency planning and flexibility assessment by such means can be integrated into future mine production systems to account for the potential risk of ground-related problems for more proactive mine planning and design.
Récupéré en direct depuis OpenAlex et désinversé. Les résumés ne sont pas conservés dans cette base de données : les index inversés représentent 8,6 Go des 9,3 Go de texte de la base, et le serveur dispose de 13 Go libres.
Comment cette classification a été obtenuedéplier
Prédiction distillée sur la base complète
Imitation des enseignantsNi prévalence calibrée, ni vérité terrain. Validation humaine à venir. Apprise à partir de 10 348 étiquettes directes de Codex et de 10 348 étiquettes directes de Gemma. Le mode candidate est l'union des têtes enseignantes seuillées; le consensus est leur intersection. Ces sorties portent le statut machine_predicted_unvalidated et ne sont ni des étiquettes humaines ni des étiquettes directes de modèles de pointe.
Scores Codex et Gemma par catégorie
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,000 | 0,000 |
| Méta-épidémiologie (sens strict) | 0,000 | 0,000 |
| Méta-épidémiologie (sens large) | 0,000 | 0,000 |
| Bibliométrie | 0,000 | 0,000 |
| Études des sciences et des technologies | 0,000 | 0,000 |
| Communication savante | 0,000 | 0,000 |
| Science ouverte | 0,000 | 0,000 |
| Intégrité de la recherche | 0,000 | 0,000 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,000 | 0,000 |
Scores machine (provisoires)
Les deux têtes enseignantes du modèle étudiant, lues sur ce travail. Un score ordonne la base pour la relecture; il n'affirme jamais une catégorie, et le statut de validation accompagne chaque rangée tel quel.
Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découleClassification
machine, non validéePrédiction automatique; un appel candidat d’une seule tête enseignante, pas un consensus.
Le détail, modèle par modèle et score par score, se trouve en fin de page sous « Comment cette classification a été obtenue ».