Diseño de acero - etabs

Páginas: 39 (9601 palabras) Publicado: 11 de enero de 2012
“Optimized Modeling and Design of Steel Structures using ETABS” presented by

Seminar Topics
General Modeling Techniques The advantages of an Object Oriented Integrated product Model Creation & Editing, Locating with Coordinates, Grids and Snaps Shortcuts and productivity features Fast Draw, Replication, Extrusion, Nudge, Trim, Align, Center, Offset and Mesh Perspective Views, DevelopedElevations, Reference Planes and Reference Lines Import/Export Features using AutoCAD Static and Dynamic Loading of Diaphragms Code Static Response Spectra Time History Special Seismic Load Effects Pushover - Static and Nonlinear Rigid, Semi-rigid, and Flexible Floor Diaphragms Steel Frame Design Steel Frame Design with no preliminary member sizing by engineer Lateral Drift Control with AutomatedVirtual Work and no second guessing of member sizes Detailed Concentric Brace Design with ETABS and verification by hand calculations Detailed Eccentric Brace Design discussion Unbonded Brace Design Moment Frame Design Composite Beam Design Vibration Analysis

Copyright
The computer program ETABS and all associated documentation are proprietary and copyrighted products. Worldwide rights of ownershiprest with Computers and Structures, Inc. Unlicensed use of the program or reproduction of the documentation in any form, without prior written authorization from Computers and Structures, Inc., is explicitly prohibited. Further information and copies of this documentation may be obtained from:
CSI Educational Services Computers and Structures, Inc. 1995 University Avenue Berkeley, California94704 USA Phone: (510) 845-2177 FAX: (510) 845-4096 e-mail: education@csiberkeley.com (for general questions) e-mail: support@csiberkeley.com (for technical support questions) web: www.csiedu.com

“Optimized Modeling and Design of Steel Structures using ETABS”

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Table of Contents
Introduction Example I – General Modeling Techniques Example II – More General Modeling Techniques Example III– Advanced Modeling Techniques Example IV – Concentric Braced 4-Story Steel Frame Structure Example V – Two Story Steel Braced Frame Structure Example VI – Composite Beam Design Example VII – Nonlinear Time History Analysis Example VIII – Pushover Analysis About the Speakers 4 5 11 19 25 31 39 47 55 59

“Optimized Modeling and Design of Steel Structures using ETABS”

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IntroductionThis lecture is generally geared towards the intermediate user level of ETABS. However, if you have never used ETABS before, do not be set back. We have designed this course in such a way that even the inexperienced ETABS user will have no problem following along. All of the examples that we present (except for the few real life models in the beginning) will be drawn from scratch to exhibit the mostgeneral and common modeling techniques mentioned above. The morning will be spent discussing most of the General Modeling Techniques, and Static Loading. Part of the morning, as well as part of the afternoon will be spent on Steel Frame Design. We will finish the afternoon presentation discussing Nonlinear Time History (Dynamic Loading) and Push-over Analysis. We have chosen eight examples that wewill describe in the presentation. In these seminar notes, you will find descriptions, computer model definitions, and results for each example. As we present each model, please feel free to follow along.

“Optimized Modeling and Design of Steel Structures using ETABS”

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General Modeling Techniques – Example I Illustrative Examples Showing Shortcuts and Productivity FeaturesDescription
Several existing ETABS models are presented below to illustrate various important modeling techniques. The first illustrative example shows the importance of assigning selected elements into “groups” and shows the powerful editing feature of the “copy assigns” command. The application of rigid diaphragm verses discrete floor element modeling is also demonstrated in Figure 1-1 and Figure...
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