Dynamics of Structures—Theory and Applications to Earthquake Engineering, Third EditionAnil K.Chopra2007. Pearson Prentice Hall, Upper Saddle River, New Jersey, 912 pp., $139.00
Notice bibliographique
Résumé
Previous editions of Anil Chopra’s Dynamics of Structures set the standard as textbook of choice for teaching structural dynamics with an eye to earthquake engineering. This third edition has come out nearly eleven years after the first hit the bookshelves, and what a fruitful decade this has been for earthquake engineering (see review of the second edition in Earthquake Spectra 17, 549). Performance-based earthquake engineering, which was in its infancy when the first edition of this book was published, is now entering its second generation. Application of nonlinear dynamics, which was limited to small academic circles and graduate studies, is now center stage for evaluation and design of major structures. Today, hardly any serious evaluation or retrofit of a substantial building is complete without at least considering either static or dynamic nonlinear analyses. The revisions included in the third edition of Dynamics of Structures reflect the changing characteristics of structural dynamics as applied in practice; as such, this book can be useful in teaching future engineers what they need to know to hit the ground running when they graduate. As previous editions did, the book can also serve as a comprehensive reference on the subject for practicing engineers who need to understand old as well as cutting-edge topics of structural dynamics. The major revisions to the book are reflected in Part III, the section that covers earthquake response and design of multistory buildings. In particular, Chapter 19, which deals with earthquake analysis and response of inelastic buildings, has been completely rewritten. In the second edition, this chapter contained only 23 pages; in this edition it has been expanded to 60 pages. Furthermore, the chapter has been divided into two separate parts. The first part covers what has been traditionally referred to as nonlinear time-history analysis, which is recently and more accurately referred to as nonlinear response-history analysis. The second part deals with approximate methods of nonlinear analysis consisting of various pushover analysis techniques, including modal pushover analysis, for which the author has been one of the leading pioneers. Based on structural dynamics theory, the modal pushover analysis procedure is developed and its accuracy evaluated. Chapter 21, which deals with various building code interpretations of structural dynamics principles, has also been significantly revised and enhanced, and now includes explanation and discussion of the relevant provisions of the 2006 International Building Code, 2005 National Building Code of Canada, 2004 Mexico Federal District Code, and 2004 Eurocode 8. New in the third edition, Chapter 22 discusses methods for estimating seismic demands promulgated in performance-based guidelines for evaluat-
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Comment cette classification a été obtenuedéplier
Prédiction machine sur la base complète
Imitation des enseignantsNi prévalence calibrée, ni vérité terrain. Validation humaine à venir. Le volet Gemma est une étiquette directe du modèle pour chaque travail de la base, lue sur la notice réduite au titre. Le volet Codex est un classifieur appris des 10 348 étiquettes directes de Codex et calibré sur les taux pondérés de l'échantillon; les champs sans appui suffisant ne portent aucun appel Codex. Le mode candidate est l'union des deux volets; le consensus est leur intersection. Ces sorties portent le statut machine_predicted_unvalidated et ne sont pas des étiquettes humaines.
Scores du classifieur distillé par catégorie (deux têtes)
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,000 | 0,001 |
| Méta-épidémiologie (sens strict) | 0,002 | 0,001 |
| Méta-épidémiologie (sens large) | 0,001 | 0,001 |
| Bibliométrie | 0,002 | 0,003 |
| Études des sciences et des technologies | 0,001 | 0,001 |
| Communication savante | 0,004 | 0,004 |
| Science ouverte | 0,001 | 0,001 |
| Intégrité de la recherche | 0,001 | 0,002 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,065 | 0,042 |
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 source (Gemma direct ou Codex distillé), 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 ».