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Notice bibliographique
Résumé
the precast concrete industry when he set out in the 1980s to develop provisions for seismic codes and standards that supported the use of precast concrete.Thanks to his unwavering efforts, architects and builders can use precast concrete just as easily as other building materials."In this country, you can't build anything without a construction permit, and you can't get that permit unless the authorities are satisfied that your building plans are in compliance with the applicable building code," he says."Without these codes being neutral to favorable, precast concrete would not have been able to compete for these projects."Ghosh's path to precast concrete began in India, where he received a bachelor's degree in civil engineering."At that time in India, that is what you studied."A year after graduation, he began graduate studies at the University of Waterloo in Canada, where he received a master's and PhD in structural engineering.In 1974, the Portland Cement Association in Skokie, Ill., offered Ghosh a job that evolved to include responsibilities for overseeing codes and standards for the cement industry.A few years later, after leaving briefly to teach at the University of Illinois-Chicago, Ghosh returned to PCA and resumed his crusade to get precast concrete approved for seismic zones."It was my job to look after the concrete industry's interest in codes," he says, "and I found that precast was at a distinct disadvantage for no good reason."The codes and standards at the time stated that designers could use precast concrete in seismic zone construction projects only if they could prove that a precast concrete structure copied the strength and toughness of a comparable monolithic reinforced concrete structure (emulative design)."It could be done, but it created a lot of problems in getting approvals," Ghosh says.Ghosh spent the next several years championing changes in codes and standards to help level the playing field for precast concrete.In the early 1990s, he was appointed chair of the Concrete Subcommittee of the committee that updates the NEHRP Recommended Seismic Provisions for New Buildings and Other Structures, a document that forms the basis of seismic design provisions in U.S. codes and standards.Ghosh used this position to initiate efforts that led to the 1994 NEHRP provisions adding options in an appendix to the concrete chapter for the use of precast concrete elements in moderate to high seismic applications.The appendix eventually moved into the main body of the NEHRP provisions and the options expanded in scope.Adoption into codes and standards ensued.The most comprehensive provisions to date for the use of precast concrete structures are in Building Code Requirements for Structural Concrete and Commentary (ACI 318R-11).
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.
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 | 0,001 | 0,001 |
| 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 | 0,001 |
| Science ouverte | 0,001 | 0,000 |
| Intégrité de la recherche | 0,000 | 0,001 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,015 | 0,001 |
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 découle