Introduction to 2016 - AIT Solutionssolutions.ait.ac.th/.../11/01-KEERATI-Introducton-to-ETABS20161.pdf · ACECOMS & AIT Solutions 2 2016 ETABS 2016 is The ultimate integrated software

ACECOMS & AIT Solutions 1

2016

Asian Center for Engineering Computations and Software

Introduction to


2016

ETABS 2016 is The ultimate integrated software package for the structural

analysis, design and detailing of buildings

ETABS2016 is available in three levels Plus, Nonlinear and Ultimate

For more details for each level, please visit

https://www.csiamerica.com/products/etabs/compare-levels


2016

BASIC CONCEPT


2016

Analysis

• Linear Static

• Response Spectrum

• Nonlinear Time History

• Pushover

• Buckling

• P-Delta

• Construction Sequence

• Walking Vibration

Modeling

• Joint

• Frame

– 1D Element

– Beams

– Columns

– Braces

– Tendons

• Shell

– 2D Element

– Slabs

– Walls

• Nonlinear Element

Design

• Steel Frame

• Concrete Frame

• Composite Beam

• Composite Column

• Steel Joist

• Shear Wall

• Steel Connection& Base Plate

• Concrete Slab

BASIC CONCEPT: What ETABS2016 can do?

Detailing

• Framing Plans

• Beams

• Columns

• Shear Walls

• Steel Connections


2016

BASIC CONCEPT

Frame Element (1D Element)

• Local Axis


2016

Frame Element (1D Element)

• Frame Subdivide and Automatic Subdivide

BASIC CONCEPT

INTEGRATED SOFTWARE FOR STRUCTURAL ANALYSIS & DESIGN


2016

Frame Element (Alignment Type)

• Beam (Horizontal Alignment)

• Column (Vertical Alignment)

• Brace (Incline Alignment)

Column

Brace

Beam

BASIC CONCEPT


2016

Shell Element (2D Element)

BASIC CONCEPT

INTEGRATED SOFTWARE FOR STRUCTURAL ANALYSIS & DESIGN


2016

Shell Element (2D Element)

• Area Meshing and Area Object Mesh Option

BASIC CONCEPT

Manual Meshing No Meshing Auto Meshing

Shear Diagram of Perimeter Beams


2016

Area Element (Alignment Type)

• Slab (Horizontal Alignment)

• Wall (Vertical Alignment)

BASIC CONCEPT

Wall

Slab


2016

USER INTERFACE


2016

User Interface: Simple, and Powerful User Interface

• ETABS offers a single user interface to perform: Modeling, Analysis, Design,

Detailing and Reporting.

• A new model explorer is available for quick access to objects, properties and

forms.

• Users now have no limit on the number of model windows and views for

model manipulation and data views.


2016

User Interface: Model Explorer

• Define, duplicate, and modify properties

• Drag and drop assignment to model

• Display and set default displays

• Save and recover user-defined displays

• Review detailing views and drawings

• Print and export drawings and views


2016

MODELING


2016

Modeling Tools: Modeling Templates

• ETABS has a wide selection of templates for quickly starting a new model.

• At this model template stage, the user has the ability to define grid and grid

spacing, the number of stories, the default structural system sections,

default slab and drop panel sections and uniform loads (specifically dead

and live loads).


2016

Modeling Tools: Grid Systems

• Grid systems include:

– Cartesian

– Cylindrical

– General grids

• Direct free-form drawing of grid lines.

• Every grid system can have its unique origin and rotation.


2016

Modeling Tools: Intelligent Snaps

• Intelligent snaps make model generation simple by automatically detecting

intersections, extensions, parallels and perpendiculars.

• Drawing helper tools will show physical extrusions even when in analytical

draw mode.


2016

• Elevations along gridlines

• Developed elevations along strips

• Editing and assignments in elevation view

Modeling Tools: Plans and Elevations


2016

Modeling Tools: Meshing Tools

• Automatic Rectangular Mesh Settings for Walls

• Automatic Mesh Settings for Floors

• Automatic Line Constrain

• Frame Auto Mesh Options


2016

Modeling Tools: Extrude

• Extrude Joints to Frames

• Extrude Frames to Shells


2016

BUILDING COMPONENTS


2016

Building Components: Frame Elements

• Concrete Section

• Steel Section

• Steel Composite sections

• Special Section

• Non-prismatic sections


2016

Section Properties for Concrete Frame

• Concrete Column

• Concrete Beam

Building Components: Frame Elements for Concrete Section

Column

Beam


2016

• Steel Frame Section (Include Built-up Section)

• Import Steel Frame Section Database, Auto Selection

Building Components: Frame Elements for Steel Section


2016

Building Components: Frame Element for Steel Composite Section

Filled Box/ Tube Section Filled Pile Section

Rectangular Encased I SectionCircular Encased Section


2016

Building Components: Frame Element for Special Section

Section Designer (SD)

• Any arbitrary shape with any user defined

material

• Automatically calculates all section properties

• Generates biaxial interaction diagram

for concrete sections

• Moment curvature diagrams

• Complete section report generation


2016

Building Components: Shell Elements

• Shell-Thin

• Shell-Thick

• Membrane

• Layered


2016

Section Properties

– Membrane Section (Shear wall behavior): pure membrane behavior

only the in-plane forces and the nor mal (drilling) moment can be sup

ported

– Shell Section (Shear wall + Slab behavior): full shell behavior, a

combination of membrane and plate behavior


Membrane

U1

Node 1

R3U2

U1

Node 3

R3U2

U1

Node 4

R3

U2

U1

Node 2

U2

3 2

1

1

23

U1, R1

Node 3

U3, R3

U2, R2

U1, R1

Node 1

U3, R3 U2, R2

U1, R1

Node 4

U3, R3

U2, R2

U1, R1

Node 2

U3, R3

U2, R2

Shell


2016

Section Properties: Slab behavior



2016

Section Properties: Wall behavior



2016

Membrane Section: Load Transfer

• One-Way

• Two-Way



2016

Shell Section Manual Mesh or Auto Mesh

Flat Slab System



2016

Membrane Section No Node at Middle of Slab (No Meshing)

Beam & Slab System

For Load Transfer from Slab to Beam Only



2016

Building Components: Layered Shell Elements

• Complete section report generation

• Mixed material composite behavior

• Nonlinear material behavior for each layer based on stress-strain

• Shearing behavior considered for rebar layered shell sections.


2016

Building Components: PT Tendon

• For post-tensioning in the design of concrete slabs


2016

Insertion Point

Building Components: Insertion Point for Frame Elements


2016

Building Components: Insertion Point for Shell Elements


2016

Building Components: Shear Walls and Wall Stacks

• Customizable wall configuration templates help

you define your wall section properties with ease.

• Draw multilevel wall configurations in a single click.

• All pier and spandrel labeling is automatically

assigned.


2016

Building Components: Similar Story System


2016

Building Components: Building Towers

• Multi-tower buildings can now easily be

modeled by using the Tower feature.

• Allows for different story levels and different

grid systems for different building structures

withing the same ETABS model.

• ETABS models can share a podium level and

then separate into towers on higher floors.Tower 1

Tower 2

Tower3


2016

LOADING


2016

Loading: Automatic Loading

• Automatic Code Based Seismic Loading

• Automatic Code Based Wind Loading

• Automatic Live Load Reduction


2016

Loading: Area, Line, Point and Thermal Loads

• Uniform or non-uniform surface loads

• Point loads can be assigned in any direction,

including skewed angles

• Uniform or trapezoidal loads on lines

• Thermal load can be assigned to joints, lines

and/or areas

• Imposed joint support displacement


2016

ANALYSIS


2016

Analysis: Object Based Meshing

• Object meshing is automated based on maximum element size.

• The mesh will always be parallel and perpendicular to longest edge, grid

system, or area local axes.

• The mesh size will aim to maintain good element aspect ratios


2016

Analysis: Dynamic Analysis

• Modal frequency analysis

using Ritz or Eigen vectors

• Response spectrum analysis

• Linear and nonlinear time history analysis


2016

Analysis: Construction Sequencing

• Incremental Construction Sequence Modeling and Loadings

• With large deflections, yielding, and gap opening and closing.

• With time-dependent creep, shrinkage,

and strength-change effects

• Arbitrary loading sequences


2016

Analysis: Automated Floor Vibration Anlaysis

• Define vibration analysis paths on floor slabs, along with parameters

• Defining demand and capacity.

• Automated time-history analysis is performed for each case.


2016

Analysis: Integrated Forces from Design Strip (Moment, Shear & Torsion)

• Integrated force diagrams displayed onscreen

• Integrated force reported in tables

Moment Diagrams

Shear Diagrams

Moment Contour


2016

DESIGN


2016

Steel Frame Design

• Member size optimization using auto-select lists

• US and International design codes

• Interactive re-design using different design

parameters and sections.

• Comprehensive overwrite capabilities


2016

Concrete Frame Design

• Required area of steel calculations for existing

structures

• Auto selection lists for new member sizing


• Interactive design and review



2016

Composite Beam and Composite Column Design

• Member sizing using auto-select lists

• Calculation of camber and stud requirements




2016

RC Slab Design: Design Strip

• Orthogonal design strips

• Non-orthogonal design strips

• Multi-segment design strips

• Varying width design strips


2016

RC Slab Design: Flexural Design Strip

• Required rebar area

• Required number of rebar


2016

RC Slab Design: Punching Shear Check

• Considers column location, openings, and slab edges.

• Additional drop panel check

• Design of punching reinforcement ties or shear studs


2016

Shear Wall Design

• Calculations of reinforcing requirement

for both overturning and shear

• Demand/capacity caluclations of defined

reinforement




2016

3 DOF

per rigid zone

Rigid Zones

Beams

Columns

A: Shear Wall with Line Loads B: Finite Element Model

C: Define Beams & Columns D: Beam-Column Model

Shear Wall Design: Concept


2016

Shear Wall Design: Design Types

• Spandrel (Beam Behavior)

• Pier (Column Behavior)

– Uniform Reinforcement

– Simple T & C


2016

Steel Connection Design: Beam-Column Connection

• Moment Connection

• Shear Connection


2016

Steel Connection Design: Column Base Plate

• Axial Load Only

• Axial Load and Biaxial Moments


2016

OUTPUT and DISPLAY


2016

Display: General

• Display with full control of the Mixed units

• 3D perspective graphical displays

• Force diagrams and stress contours

• Story vertical loads, shears and overturning

moments

• The ability to generate video (.avi) files

to visually display a set of analysis results


2016

Display: Section Cut

• Graphical section cut definitions for forces and stresses

• The resultant (free-body) forces and moments across any cut in the structure

can be defined using section cuts.

• A section cut can have any shape, and can be used to compute story shears,

connecting forces, design forces in shear walls, and for many other purposes.

• Section cut results can be obtained for all types of load cases and

combinations.


2016

Display: Tabular Output

• Tables for all input data, analysis results, and design results

• Print or save tabular data to Access, Excel, Word, HTML, or TXT

• Filter, sort, and query table data

• Customize column data format

• Hide unnecessary columns


2016

DETAILING


2016

Detailing: Integrated Drawing Generation

• Complete drawing generation capabilities baked into all levels of ETABS 2016

• Components view are the basic building blocks for drawings

• Component views can be dragged and dropped onto drawing sheets


2016

Detailing: Steel Component Detailing

• Basic building blocks for drawings

• Comprehensive steel detailing and scheduling for:

– Floor Framing

– Beams

– Columns

– Connections


2016

Detailing: Concrete Detailing

• Basic building blocks for drawings

• Control bar sizes and spacing

• Detail all or only bars above a typical quantity

• Beam and slab curtailment rules

• Control information displayed in rebar calls

• Specify bars around openings


2016

Detailing: Concrete Detailing

• Complete reinforcement detailing for concrete frame and shear walls.

• Comprehensive steel detailing and scheduling for:

– Beams

– Columns

– Walls


2016

Detailing: Detailed Section Cuts

• Cuts through slabs, beams, and mats

• User-defined orientation and length

• Instant section preview

• Adjustable section cut view range


2016

OTHERS


2016

Others: Report Generation

The report generator features include

– Indexed table of contents

– Model definition information

– Analysis and design results


2016

Others: Import/Export

• Export model to MS-access or database

• Export stories to SAFE for slab/foundation analysis/design

• Cut & paste portions of model to Excel spreadsheet for editing

• Import/Export model in CIS/2 STEP file format

• Steel buildings detailed in ProSteel 3D link

• Import/Export project data with Autodesk Revit Structure

• Export steel models in the Steel Detailing Neutral File format

• Import/Export data using IFC standards

• Import files in the following program formats:

– AutoCAD

– FrameWorks Plus

– IGES

– STAAD

– STRUDL


2016

THANK YOU

Documents

Introduction to 2016 - AIT Solutionssolutions.ait.ac.th/.../11/01-KEERATI-Introducton-to-ETABS20161.pdf · ACECOMS & AIT Solutions 2 2016 ETABS 2016 is The ultimate integrated software