Keyboard Shortcuts for Making Selections of Objects Onscreen. Keyboard Shortcuts for Various ETABS Menu Items

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2 Keyboard Shortcuts for Making Selections of Objects Onscreen Keystroke E Spacebar Ctrl key + left click Ctrl key + right click Purpose Puts you in a mode to select edges of area objects Removes you from the mode where you can select area object edges Pops up a dialog box where you choose which overlapping item you would like to select Pops up a dialog box where you choose which overlapping item's right click information you would like to see Keyboard Shortcuts for Various ETABS Menu Items Keystroke Corresponding Menu Command Ctrl+N File menu > New Model Ctrl+O File menu > Open Ctrl+S File menu > Save Ctrl+P File menu > Print Graphics Alt+F4 File menu > Exit Ctrl+X Ctrl+C Ctrl+V Del Ctrl+A F5 F1 Edit menu > Cut Edit menu > Copy Edit menu > Paste Edit menu > Delete Select menu > Select All Analysis menu > Run Help menu > Search for Help On Keyboard Shortcuts for Making Selections in List Boxes First left click to select an item in the list box. Then: Keystroke Purpose Ctrl key + left click Select more items in list box that are either adjacent or non-adjacent to the first selection Shift key + left click Select all items in list box from the first one clicked on to the last one clicked on, inclusive (Note: You can also hold down the left mouse button and drag the mouse to select a block of items in a list box) Keyboard Shortcuts for Constraints Used While Drawing Objects Keystroke Purpose X Constrain current line or edge to have a constant X coordinate Y Constrain current line or edge to have a constant Y coordinate Z Constrain current line or edge to have a constant Z coordinate A Constrain current line or edge to a specified angle Spacebar Remove current constraint option Keyboard Shortcuts for Constraints Used While Reshaping Objects Keystroke Purpose X Constrain object or edge movement to have a constant X coordinate Y Constrain object or edge movement to have a constant Y coordinate Z Constrain object or edge movement to have a constant Z coordinate A Constrain object or edge movement to a specified angle Spacebar Remove current constraint option

3 Main (Top) Toolbar Buttons New Model Open.EDB File Save Model Side Toolbar Buttons Pointer Reshaper Draw Point Objects (displays flyout button) Undo Create Points (plan, elev, 3D) Redo Draw Line Objects (displays flyout buttons) Refresh Window Draw Lines (plan, elev, 3D) Lock/Unlock Model Run Analysis Rubber Band Zoom Restore Full View Restore Previous Zoom Create Lines in Region or at Clicks (all views) Create Columns in Region or at Clicks (plan) Create 2ndary Beams in Region or at Clicks (plan) Create Braces in Region or at Clicks (elev) Draw Area Objects (displays flyout buttons) Zoom In One Step Draw Areas (plan, 3D) Zoom Out One Step Pan 3D View Plan View Elevation View Rotate 3D View Perspective Toggle Move Up in List Move Down in List Object Shrink Toggle Set Building View Options Show Undeformed Shape Display Static Deformed Shape Display Mode Shape Draw Rectangular Areas (plan, elev) Create Areas at Click (plan, elev) Draw Walls (plan) Create Walls in Region or at Clicks (plan) Select All Restore Previous Selection Clear Selection Set Intersecting Line Select Mode Snap to Points Snap to Middle and Ends Snap to Intersections Snap to Perpendicular Snap to Lines and Edges Snap to Invisible Grid Display Member Force Diagram Display Output Tables

4 ETABS Three Dimensional Analysis and Design of Building Systems ETABS USER S MANUAL Volume 1 Computers and Structures, Inc. Berkeley, California, USA First Edition December 1999

5 Copyright The computer program ETABS and all associated documentation are proprietary and copyrighted products. Worldwide rights of ownership rest 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: Computers and Structures, Inc University Avenue Berkeley, California USA Phone: (510) FAX: (510) (for general questions) (for technical support questions) web: Copyright Computers and Structures, Inc., The CSI Logo is a registered trademark of Computers and Structures, Inc. ETABS is a registered trademark of Computers and Structures, Inc. Windows is a registered trademark of Microsoft Corporation. Adobe and Acrobat are registered trademarks of Adobe Systems Incorporated

6 DISCLAIMER CONSIDERABLE TIME, EFFORT AND EXPENSE HAVE GONE INTO THE DEVELOPMENT AND DOCUMENTATION OF ETABS. THE PROGRAM HAS BEEN THOROUGHLY TESTED AND USED. IN USING THE PROGRAM, HOWEVER, THE USER ACCEPTS AND UNDERSTANDS THAT NO WARRANTY IS EXPRESSED OR IMPLIED BY THE DEVELOPERS OR THE DISTRIBUTORS ON THE ACCURACY OR THE RELIABILITY OF THE PROGRAM. THE USER MUST EXPLICITLY UNDERSTAND THE ASSUMPTIONS OF THE PROGRAM AND MUST INDEPENDENTLY VERIFY THE RESULTS.

7 ACKNOWLEDGMENT Thanks are due to all of the numerous structural engineers, who over the years have given valuable feedback that has contributed toward the enhancement of this product to its current state. Special recognition is due Dr. Edward L. Wilson, Professor Emeritus, University of California at Berkeley, who was responsible for the conception and development of the original ETABS and whose continued originality has produced many unique concepts that have been implemented in this version.

8 C Volume 1 Contents Tip: If you are just getting started with ETABS Version 7 we suggest that you read Chapters 1 through 6 in Volume 1 and then use the rest of the manual (Volumes 1 and 2) as a reference guide on an asneeded basis. If you are not responsible for installing ETABS then you can skip Chapter 2. The Table of Contents for Volume 1 of this manual consists of a chapter list that covers both Volumes 1 and 2 followed by an expanded table of contents for Volume 1 only. The chapter list devotes one line to each chapter. It shows you the chapter number (if applicable), chapter title and the pages that the chapter covers. Subheadings are provided in the chapter list section to help give you a sense of how this manual is divided into several different parts. Following the chapter list is the expanded table of contents for Volume 1. Here all section headers and subsection headers are listed along with their associated page numbers for each chapter in Volume 1. When searching through the manual for a particular chapter, the highlighted tabs at the edge of each page may help you locate the chapter more quickly. If you are new to ETABS we suggest that you read Chapters 1 through 6 in Volume 1 and then use the rest of the manual (Volumes 1 and 2) as a reference guide on an as-needed basis. If you are not responsible for installing ETABS then you can skip Chapter 2. i

9 ETABS User s Manual - Volume 1 C ETABS User s Manual Chapter List Volume 1 Volume 1 Contents Chapter Title Pages N. A. Chapter List... i to vi N. A. Expanded Table of Contents... vi to xx Note: Chapter 4 provides a comprehensive description of the various parts of the ETABS graphic interface. Introduction and Getting Started Information Chapter Title Pages 1 Introduction to Installation to Getting Help to 3-7 Note: Chapter 6 provides information on how to create an ETABS model. General Overview of ETABS Chapter Title Pages 4 The ETABS Graphical User Interface to Overview of an ETABS Model to ETABS Modeling Tips to 6-10 ii

10 Volume 1 Contents The ETABS Menus Chapter Title Pages C 7 Overview of the ETABS Menus to 7-2 Note: Chapters 8 through 19 document most of the menu commands and toolbar button shortcuts available in ETABS. 8 The ETABS File Menu to The ETABS Edit Menu to The ETABS View Menu to The ETABS Define Menu to The ETABS Draw Menu to The ETABS Select Menu to The ETABS Assign Menu to The ETABS Analyze Menu to The ETABS Display Menu to The ETABS Design Menu to The ETABS Options Menu to The ETABS Help Menu to 19-2 Other Information Chapter Title Pages N. A. References...References-1 to References-4 N. A. Index...Index-1 to Index-12 iii

11 ETABS User s Manual - Volume 1 C Volume 2 Volume 2 Contents Chapter Title Pages N. A. Chapter List... i to vi N. A. Expanded Table of Contents...vi to xxi Detailed Information on Selected ETABS Topics Chapter Title Pages 20 Units to Coordinate Systems to Story Level Data to 22-5 Note: Volume 2 provides detailed information on a variety of ETABS subjects. 23 Area Objects to Line Objects to Point Objects to Groups and Section Cuts to Load Cases, Load Combinations and Mass to Automatic Seismic Loads to Automatic Wind Loads to Automatic Meshing of Area and Line Objects to Manual Meshing of Area Objects to Transformation of Loads into the ETABS Analysis Model to Overview of ETABS Analysis Techniques to iv

12 Volume 1 Contents ETABS Analysis Output Chapter Title Pages C Note: Chapters 34 through 43 document the ETABS analysis output. Design information is documented in the design manuals. 34 Point Object Output Conventions to Frame Element Output Conventions to Shell Element Output Conventions to Link Element Output Conventions to Wall Pier and Spandrel Output Conventions to Section Cut Output Conventions to Printed Input Tables to Printed Output Tables to Database Input/Output Tables to The ETABS Log and Out Files to Inserting ETABS Output into Written Reports to 44-3 Note: Chapters 45 through 48 provide information on how to use the ETABS design postprocessors Introduction to the ETABS Design Postprocessors Chapter Title Pages 45 Steel Frame Design to Concrete Frame Design to Composite Beam Design to Shear Wall Design to v

13 ETABS User s Manual - Volume 1 C Other Information Chapter Title Pages N. A. References...References-1 to References-4 N. A. Appendix 1 - The ETABS Menu Structure... A1-1 to A1-13 N. A. Index...Index-1 to Index-12 ETABS User s Manual - Volume 1 - Expanded Contents CHAPTER 1: INTRODUCTION Welcome to ETABS! 1-1 Organization of This Manual 1-3 ETABS: A Special Purpose Program 1-4 Significant Features of ETABS 1-5 Modeling Features 1-5 Analysis Features 1-6 Design Features 1-8 Advantages of ETABS over Other Programs 1-9 CHAPTER 2: INSTALLATION What Your ETABS Package Includes 2-2 System Requirements 2-2 Installation of the ETABS Program 2-3 Single User Installation 2-4 Network Server Installation 2-5 Network Workstation Installation 2-6 vi

14 Volume 1 Contents Installing From Your ETABS CD 2-8 Installing from a Network Server 2-8 Removing ETABS from Your System 2-9 Installing the Sentinel Driver 2-9 Using the Hardware Key Device 2-11 Using the Hardware Key Device on a Single Computer 2-11 Using the Hardware Key Device on a Local Area Network 2-12 The NSRVGX Program 2-13 Troubleshooting ETABS Installation Problems 2-14 Upgrading from ETABS C CHAPTER 3: GETTING HELP User Manuals Provided With ETABS 3-1 Reference Book Provided With ETABS 3-2 On-Line Help 3-2 Technical Notes on Our Web Site 3-3 Phone, Fax and Technical Support 3-3 Phone Support 3-4 Fax Support 3-4 Support 3-5 Help Us to Provide You Technical Support 3-5 Hands On Training 3-6 Seminars 3-7 CHAPTER 4: THE ETABS GRAPHICAL USER INTERFACE Features of the Graphical User Interface 4-1 Main Window 4-1 Main Title Bar 4-2 Menu Bar 4-2 vii

15 ETABS User s Manual - Volume 1 C Main (Top) Toolbar 4-3 Side Toolbar 4-3 Display Windows 4-4 Display Title Bar 4-5 Status Bar 4-5 Mouse Pointer Position Coordinates 4-6 Plan View Drawing and Assignment Similarity 4-6 Current Units 4-7 The ETABS Aerial View 4-8 Using the Mouse 4-9 Starting a Model 4-11 The Two Modes of ETABS 4-12 Locking and Unlocking a Model 4-13 Undo Features in ETABS 4-14 Tips for Using the Graphical User Interface 4-15 CHAPTER 5: OVERVIEW OF AN ETABS MODEL The Concept of Objects 5-2 The ETABS Analysis Model 5-4 CHAPTER 6: ETABS MODELING TIPS Modeling Process 6-1 Modeling Tips 6-5 CHAPTER 7: OVERVIEW OF THE ETABS MENUS General 7-1 CHAPTER 8: THE ETABS FILE MENU General 8-1 viii

16 Volume 1 Contents Starting a New Model 8-1 Initialization of a New Model 8-2 Defining a Grid System 8-4 Defining Story Data 8-5 Adding Structural Objects from a Template 8-6 Steel Floor System Template 8-8 Flat Slab Template 8-10 Flat Slab with Perimeter Beams Template 8-12 Two-Way Slab Template 8-13 Waffle Slab Template 8-15 Ribbed Slab Template 8-17 Opening an Existing Model 8-19 Saving Models 8-20 Importing Files 8-21 Exporting Files 8-22 Creating Videos 8-26 Printing from ETABS 8-27 Printing Graphics 8-27 Printing Text Input and Output Tables 8-28 Printing Analysis Input Data 8-28 Printing Analysis Output Data 8-29 User Comments and Session Log 8-29 Displaying Input/Output Text Files 8-29 Exiting ETABS 8-30 C CHAPTER 9: THE ETABS EDIT MENU General 9-1 Cut, Copy and Paste 9-2 Point Object Headings in Spreadsheet 9-3 ix

17 ETABS User s Manual - Volume 1 C Line Object Headings in Spreadsheet 9-4 Area Object Headings in Spreadsheet 9-6 Delete 9-7 Add to Model From Template 9-7 Two-Dimensional Frame 9-8 Three-Dimensional Frame 9-8 Replicating Objects 9-9 Linear Replication 9-9 Radial Replication 9-9 Mirror Replication 9-11 Story Replication 9-11 Assignments that are Replicated 9-13 Editing Coordinate System Grid Line Data 9-14 Editing Story Data 9-17 Inserting a New Story Level 9-17 Deleting a Story Level 9-18 Reference Planes and Reference Lines 9-18 Merging Points 9-19 Aligning Points, Lines and Edges 9-20 Coordinate System 9-22 Align Options 9-22 Align to X, Y or Z-Coordinate 9-23 Align to X or Y Grid Lines 9-23 Trim or Extend Selected Lines 9-25 Align Selected Points 9-27 Align Tolerance 9-28 Moving Point, Line and Area Objects 9-29 Moving Objects in the Z Direction 9-30 Expanding and Shrinking Areas 9-30 x

18 Volume 1 Contents Merging Areas 9-32 Joining Lines 9-33 Dividing Lines 9-35 Reshaper Tool 9-37 Reshaping Area Objects 9-38 Reshaping Line Objects 9-39 Reshaping Dimension Lines 9-40 Reshaping Point Objects 9-40 Moving/Reshaping Objects in the Z Direction 9-41 The ETABS Nudge Feature 9-42 C CHAPTER 10: THE ETABS VIEW MENU General 10-1 Types of Views 10-1 Three Dimensional (3D) Views 10-2 Plan Views 10-5 Elevation Views 10-6 Perspective Views 10-8 Perspective Toggle in a Plan View 10-8 Perspective Toggle in an Elevation View 10-8 Perspective Toggle in a Three-Dimensional View 10-9 Custom Views 10-9 Viewing Tools Available in ETABS View Limits Show Selection Only and Show All Zoom Features Pan Feature Refresh Views and Windows Change Axes Location xi

19 ETABS User s Manual - Volume 1 C Make Measurements in your ETABS Model Building View Options View by Colors Special Effects Object Visibility Object View Options Piers and Spandrels Other Visibility Options Special Frame Items Other Special Items CHAPTER 11: THE ETABS DEFINE MENU General 11-1 Material Properties 11-1 Frame Section Properties 11-6 Importing Sections from a Database 11-7 Adding User-Defined Frame Section Properties 11-9 Adding Frame Section Properties using Section Designer Nonprismatic Sections Segment Lengths Starting and Ending Sections Variation of Properties Effect upon End Offsets Along the Length of Frame Elements Reinforcing for Concrete Frame Section Properties Reinforcing Information for Beams Reinforcing Information for Columns Wall/Slab/Deck Section Properties Defining Wall and Slab Sections Defining Deck Sections xii

20 Volume 1 Contents Link Properties Frame Nonlinear Hinge Properties Section Cuts Defining Section Cuts Response Spectrum Functions Response Spectrum Functions from a File User-Defined Response Spectrum Functions Code Specific Response Spectrum Functions UBC Parameters for a Response Spectrum Function UBC Parameters for a Response Spectrum Function BOCA Parameters for a Response Spectrum Function NBCC Parameters for a Response Spectrum Function IBC2000 Parameters for a Response Spectrum Function NEHRP Parameters for a Response Spectrum Function Eurocode 8 Parameters for a Response Spectrum Function NZS 4203 Parameters for a Response Spectrum Function Modifying and Deleting Response Spectrum Functions Time History Functions Time History Functions from a File User-Defined Time History Functions ETABS Template Time History Functions Sine Time History Function Template Parameters Cosine Time History Function Template Parameters Ramp Time History Function Template Parameters Sawtooth Time History Function Template Parameters Triangular Time History Function Template Parameters Static Load Cases C xiii

21 ETABS User s Manual - Volume 1 C Response Spectrum Cases Spectrum Case Name Structural and Function Damping Modal Combination Directional Combination Input Response Spectra Excitation Angle Time History Cases History Case Name Options Load Assignments Static Nonlinear/Pushover Cases Load Combinations Mass Source CHAPTER 12: THE ETABS DRAW MENU General 12-1 The ETABS Similar Stories Feature 12-2 Drawing Point Objects 12-3 Drawing Line Objects 12-3 Floating Properties of Object Window for Line Objects 12-8 Drawing Area Objects 12-9 Floating Properties of Object Window for Area Objects Developed Elevations Dimension Lines Special Drawing Controls ETABS Snap Options Drawing Constraints in ETABS xiv

22 Volume 1 Contents CHAPTER 13: THE ETABS SELECT MENU General 13-1 Basic Methods of Selecting Objects 13-1 Other Methods of Selecting Objects 13-4 Deselecting Objects 13-6 C CHAPTER 14: THE ETABS ASSIGN MENU General 14-1 Assignments to Point Objects 14-1 Rigid Diaphragm Assignments to Point Objects 14-2 Panel Zone Assignments to Point Objects 14-3 Properties 14-4 Connectivity 14-6 Local 2-Axis 14-8 Options 14-9 Restraint (Support) Assignments to Point Objects 14-9 Point Spring Assignments to Point Objects Coupled Springs Link Property Assignments to Point Objects Additional Point Mass Assignments to Point Objects Force Loads to Point Objects Ground Displacement Assignments to Point Objects Temperature Loads Assignments to Point Objects Assignments to Line Objects Frame Section Assignments to Line Objects Frame Releases and Partial Fixity Assignments to Line Objects Unstable End Releases Frame Rigid Offset Assignments to Line Objects Rigid End Offsets Along the Length of Frame Elements xv

23 ETABS User s Manual - Volume 1 C Automatically Calculated End Offset Lengths End Offset Properties and the Rigid-Zone Factor Rigid Frame Joint Offsets Frame Output Station Assignments to Line Objects Local Axes Assignments to Line Objects Frame Property Modifier Assignments to Line Objects Link Property Assignments to Line Objects Frame Nonlinear Hinge Assignments to Line Objects Pier Label Assignments to Line Objects Spandrel Label Assignments to Line Objects Line Spring Assignments to Line Objects Additional Line Mass Assignments to Line Objects Automatic Frame Mesh/No Mesh Assignments to Line Objects Point Load Assignments to Line Objects Distributed Load Assignments to Line Objects Temperature Load Assignments to Line Objects Assignments to Area Objects Wall, Slab and Deck Section Assignments to Area Objects Opening Assignments to Area Objects Rigid Diaphragm Assignments to Area Objects Local Axes Assignments to Area Objects Shell Stiffness Modifiers Assignments to Area Objects Pier Label Assignments to Area Objects Spandrel Label Assignments to Area Objects Area Spring Assignments to Area Objects Additional Area Mass Assignments to Area Objects Automatic Membrane Floor Mesh/No Mesh Assignments to Area Objects Uniform Surface Load Assignments to Area Objects xvi

24 Volume 1 Contents Temperature Load Assignments to Area Objects Group Name Assignments Clear Display of Assigns C CHAPTER 15: THE ETABS ANALYZE MENU Analysis Options 15-1 Building Active Degrees of Freedom 15-1 Dynamic Analysis Parameters 15-3 P-Delta Analysis Parameters 15-5 Run Analysis 15-8 Analyze Window 15-9 Run Static Nonlinear Analysis 15-9 CHAPTER 16: THE ETABS DISPLAY MENU General 16-1 Undeformed Shape 16-1 Loads 16-2 Joint/Point Loads 16-2 Frame/Line Loads 16-3 Shell/Area Loads 16-5 Input Table Mode 16-6 Deformed Shape 16-7 Mode Shape Member Force and Stress Diagrams Support and Spring Reactions Frame Element, Pier and Spandrel Forces Shell Forces and Stresses Load Component Type xvii

25 ETABS User s Manual - Volume 1 C Component Contour Range Stress Averaging Miscellaneous Notes about Shell Element Forces and Stresses Link Element Forces Energy Diagram Response Spectrum Curves Define Tab Axes Tab Options Tab Frequency/Period Tab Damping Tab Time History Traces Static Pushover Curve Section Cut Forces Output Table Mode CHAPTER 17: THE ETABS DESIGN MENU Overview 17-1 Overwrite Frame Design Procedure 17-2 Background 17-2 ETABS Default Design Procedure Assignments 17-3 The Overwrite Frame Design Procedure Command 17-4 CHAPTER 18: THE ETABS OPTIONS MENU General 18-1 Preferences 18-1 Dimensions and Tolerances 18-2 Output Decimals 18-6 xviii

26 Volume 1 Contents Reinforcement Bar Sizes 18-7 Overview 18-7 Reinforcing Bar Sizes Dialog Box 18-9 Live Load Reduction General Method Area in the Live Load Reduction Factor Dialog Box No Live Load Reduction Tributary Area Live Load Reduction Influence Area Live Load Reduction User-Defined Live Load Reduction Minimum Factor Area in the Live Load Reduction Factor Dialog Box Application Area in the Live Load Reduction Factor Dialog Box Application to Columns Area in the Live Load Reduction Factor Dialog Box Tributary Area Colors Display Colors Output Colors Other Option Items Windows Startup Tips Bounding Plane Moment Diagrams on Tension Side Sound Lock Model Aerial View Window Floating Property Window Crosshairs C xix

27 ETABS User s Manual - Volume 1 C CHAPTER 19: THE ETABS HELP MENU The ETABS Help File 19-1 About ETABS 19-1 REFERENCES INDEX xx